Wyeth Holdings LLC
Wyeth HoldActive Patents
0
Total Holdings
219
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| WO1993015682A1 | Polymeric screws and coatings for surgical uses | Expired / Lapsed | 1993-02-12 | — | 0 | Details |
| EP0464480A1 | Improved slotted suture anchor | Expired / Lapsed | 1991-06-20 | — | 14 | Details |
| EP0334046A2 | Surgical composite structure having absorbable and nonabsor… | Expired / Lapsed | 1989-02-24 | — | 11 | Details |
| EP0259687A2 | Method for the preparation of pyridine-2,3-dicarboxylic aci… | Expired / Lapsed | 1987-08-25 | — | 11 | Details |
| EP0239775A2 | Surgical repair device | Expired / Lapsed | 1987-02-20 | — | 11 | Details |
| EP0202444A2 | Prosthetic tubular article | Expired / Lapsed | 1986-04-07 | — | 11 | Details |
| GB2162782A | Improved surgical instrument | Expired / Lapsed | 1985-07-05 | — | 12 | Details |
| EP0108912A2 | Poly(glycolic acid)/poly(alkylene glycol)block copolymers a… | Expired / Lapsed | 1983-10-05 | — | 12 | Details |
| EP0070923A2 | Anastomotic device and method | Expired / Lapsed | 1981-10-26 | — | 13 | Details |
| AU6872881A | Surgical stapler | Expired / Lapsed | 1981-03-25 | — | 1 | Details |
| EP0040683A2 | Surgical stapling instrument | Expired / Lapsed | 1981-03-25 | — | 13 | Details |
| GB1604177A | Surgical articles formed from copolymeric lactide polyesters | Expired / Lapsed | 1978-04-28 | — | 16 | Details |
| GB1604178A | Lactide polyester copolymer | Expired / Lapsed | 1978-04-28 | — | 9 | Details |
| GB913158A | Coated non-absorbable surgical sutures | Expired / Lapsed | 1959-10-02 | — | 0 | Details |
| GB540168A | Resinous compositions and methods of preparing same | Expired / Lapsed | 1939-12-28 | — | 0 | Details |
| US5334379A | Cytokine and hormone carriers for conjugate vaccines | Expired / Lapsed | 1990-07-16 | 1994-08-02 | 21 | Details |
| US5281220A | Endoscopic instrument | Expired / Lapsed | 1992-01-13 | 1994-01-25 | 9 | Details |
| US5242404A | Aspiration control system | Expired / Lapsed | 1992-02-12 | 1993-09-07 | 25 | Details |
| US4942875A | Surgical repair device having absorbable and nonabsorbable … | Expired / Lapsed | 1988-01-21 | 1990-07-24 | 10 | Details |
| US4870966A | Bioabsorbable surgical device for treating nerve defects | Expired / Lapsed | 1988-02-01 | 1989-10-03 | 20 | Details |
| US4667673A | Anastomotic device applicator and method | Expired / Lapsed | 1984-03-12 | 1987-05-26 | 5 | Details |
| US4128612A | Making absorbable surgical felt | Expired / Lapsed | 1975-11-03 | 1978-12-05 | 7 | Details |
| US4095600A | Normally-solid, bioabsorbable, hydrolyzable, polymeric reac… | Expired / Lapsed | 1977-05-05 | 1978-06-20 | 3 | Details |
| US4087866A | Intraocular lens | Expired / Lapsed | 1977-04-26 | 1978-05-09 | 4 | Details |
| US4080969A | Suture or ligature carrying on the exposed surface thereof … | Expired / Lapsed | 1975-05-29 | 1978-03-28 | 3 | Details |
| US4077406A | Pellet implanter for animal treatment | Expired / Lapsed | 1976-06-24 | 1978-03-07 | 3 | Details |
| US4074366A | Poly(N-acetyl-D-glucosamine) products | Expired / Lapsed | 1976-07-22 | 1978-02-21 | 5 | Details |
| US4054144A | Short-crimp surgical needle | Expired / Lapsed | 1976-05-28 | 1977-10-18 | 3 | Details |
| US4048256A | Normally-solid, bioabsorbable, hydrolyzable, polymeric reac… | Expired / Lapsed | 1976-06-01 | 1977-09-13 | 16 | Details |
| US4043344A | Non-absorbable surgical sutures coated with polyoxyethylene… | Expired / Lapsed | 1976-09-20 | 1977-08-23 | 18 | Details |
| US4033938A | Polymers of unsymmetrically substituted 1,4-dioxane-2,5-dio… | Expired / Lapsed | 1975-03-14 | 1977-07-05 | 7 | Details |
| US4021505A | Mar-resistant coating composition of reaction product of hy… | Expired / Lapsed | 1975-03-20 | 1977-05-03 | 11 | Details |
| US3991766A | Controlled release of medicaments using polymers from glyco… | Expired / Lapsed | 1975-04-03 | 1976-11-16 | 8 | Details |
| US3945961A | Novel cross-linking agents and their use in electrophoretic… | Expired / Lapsed | 1975-01-23 | 1976-03-23 | 8 | Details |
| US3937223A | Compacted surgical hemostatic felt | Expired / Lapsed | 1974-04-19 | 1976-02-10 | 12 | Details |
| US3914419A | Two compartment one unit consecutively injectable liquid vi… | Expired / Lapsed | 1975-01-10 | 1975-10-21 | 6 | Details |
| US3882872A | Method and apparatus for cataract surgery | Expired / Lapsed | 1973-04-25 | 1975-05-13 | 39 | Details |
| US3875937A | Surgical dressings of absorbable polymers | Expired / Lapsed | 1973-05-31 | 1975-04-08 | 15 | Details |
| US3867190A | Reducing capillarity of polyglycolic acid sutures | Expired / Lapsed | 1973-04-24 | 1975-02-18 | 7 | Details |
| US3810458A | Minimizing tissue reaction to glove powder | Expired / Lapsed | 1973-04-10 | 1974-05-14 | 10 | Details |
| US3772420A | Method for improving the in-vivo strength of polyglycolic a… | Expired / Lapsed | 1971-09-07 | 1973-11-13 | 0 | Details |
| US3745354A | Detector for reading bar codes on moving articles and havin… | Expired / Lapsed | 1971-04-23 | 1973-07-10 | 6 | Details |
| US3739773A | Polyglycolic acid prosthetic devices | Expired / Lapsed | 1971-06-28 | 1973-06-19 | 4 | Details |
| US3736646A | Method of attaching surgical needles to multifilament polyg… | Expired / Lapsed | 1971-10-18 | 1973-06-05 | 2 | Details |
| US3733386A | Process for producing acrylic synthetic fibers improved in … | Expired / Lapsed | 1971-04-13 | 1973-05-15 | 0 | Details |
| US3728739A | Sterile surgical gloves | Expired / Lapsed | 1971-02-23 | 1973-04-24 | 2 | Details |
| US3698994A | Acrylic synthetic fibers having improved properties and pro… | Expired / Lapsed | 1971-01-27 | 1972-10-17 | 0 | Details |
| US3663288A | Physiologically acceptible elastomeric article | Expired / Lapsed | 1969-09-04 | 1972-05-16 | 5 | Details |
| US3649163A | Method for removing noncollagenous matter from mammalian gut | Expired / Lapsed | 1968-03-25 | 1972-03-14 | 0 | Details |
| US3626948A | Absorbable polyglycolic acid suture of enhanced in-vivo str… | Expired / Lapsed | 1968-12-23 | 1971-12-14 | 1 | Details |
| US3620218A | Cylindrical prosthetic devices of polyglycolic acid | Expired / Lapsed | 1969-08-25 | 1971-11-16 | 8 | Details |
| US3604417A | Osmotic fluid reservoir for osmotically activated long-term… | Expired / Lapsed | 1970-03-31 | 1971-09-14 | 3 | Details |
| US3597449A | Stable glycolide and lactide composition | Expired / Lapsed | 1967-11-16 | 1971-08-03 | 0 | Details |
| US3565077A | Densified absorbably polyglycolic acid suture braid, and me… | Expired / Lapsed | 1968-05-06 | 1971-02-23 | 3 | Details |
| US3544262A | Fibers of acrylonitrile-hydroxy ethyl methacrylate polymer … | Expired / Lapsed | 1967-01-24 | 1970-12-01 | 0 | Details |
| US3483286A | Method for tanning absorbable surgical sutures | Expired / Lapsed | 1967-05-08 | 1969-12-09 | 0 | Details |
| US3470011A | Process for applying liquid biologicals to applicators for … | Expired / Lapsed | 1967-02-07 | 1969-09-30 | 0 | Details |
| US3468853A | Process of polymerizing a glycolide | Expired / Lapsed | 1966-06-15 | 1969-09-23 | 0 | Details |
| US3442871A | Process for polymerizing a glycolide | Expired / Lapsed | 1966-05-04 | 1969-05-06 | 0 | Details |
| US3427182A | Pigment sealing coats | Expired / Lapsed | 1965-05-12 | 1969-02-11 | 0 | Details |
| US3422181A | Method for heat setting of stretch oriented polyglycolic ac… | Expired / Lapsed | 1966-05-23 | 1969-01-14 | 0 | Details |
| US3410837A | Recovering acrylonitrile polymers | Expired / Lapsed | 1965-11-24 | 1968-11-12 | 0 | Details |
| US3407249A | Porous, extensively fibrillated polytetrafluoroethylene and… | Expired / Lapsed | 1966-02-28 | 1968-10-22 | 2 | Details |
| US3399094A | Method for forming tubular reinforced plastic members | Expired / Lapsed | 1967-01-25 | 1968-08-27 | 0 | Details |
| US3385576A | Apparatus for dispersing a gas in a liquid | Expired / Lapsed | 1967-05-02 | 1968-05-28 | 0 | Details |
| US3376973A | Package for surgical sutures | Expired / Lapsed | 1966-07-15 | 1968-04-09 | 0 | Details |
| US3359983A | Synthetic surgical sutures | Expired / Lapsed | 1963-01-23 | 1967-12-26 | 1 | Details |
| US3320221A | Method of producing acrylonitrile copolymers | Expired / Lapsed | 1961-11-24 | 1967-05-16 | 2 | Details |
| US3318975A | Mar-resistant polyesters | Expired / Lapsed | 1965-05-27 | 1967-05-09 | 2 | Details |
| US3311110A | Flexible composite suture having a tandem linkage | Expired / Lapsed | 1964-07-15 | 1967-03-28 | 2 | Details |
| US3309261A | Adhesion of urethane adhesives to metals | Expired / Lapsed | 1966-04-21 | 1967-03-14 | 3 | Details |
| US3297033A | Surgical sutures | Expired / Lapsed | 1963-10-31 | 1967-01-10 | 2 | Details |
| US3294871A | Poly (tetrafluoroethylene)-thermoplastic resin composition | Expired / Lapsed | 1964-09-15 | 1966-12-27 | 2 | Details |
| US3290208A | Adhesive composition for metal to metal structural applicat… | Expired / Lapsed | 1963-04-23 | 1966-12-06 | 2 | Details |
| US3284394A | Aqueous dispersion of a copolymer of methylmethacrylate and… | Expired / Lapsed | 1965-03-24 | 1966-11-08 | 0 | Details |
| US3134810A | N-(3-halopropionamidomethyl) acrylamides | Expired / Lapsed | 1961-11-06 | 1964-05-26 | 2 | Details |
| US3120504A | Art of producing acrylonitrile polymers | Expired / Lapsed | 1959-11-20 | 1964-02-04 | 2 | Details |
| US3082190A | Electrical grade aminotriazine-aldehyde-amine resinous comp… | Expired / Lapsed | 1960-08-01 | 1963-03-19 | 2 | Details |
| US3081278A | Thermosetting amine resins modified with a polyester and a … | Expired / Lapsed | 1958-06-16 | 1963-03-12 | 2 | Details |
| US3043067A | Suture package | Expired / Lapsed | 1953-08-04 | 1962-07-10 | 0 | Details |
| US3038475A | Surgical needles and manufacture of same | Expired / Lapsed | 1960-06-27 | 1962-06-12 | 0 | Details |
| US3036341A | Centrifugal casting of collagen to produce films and ribbons | Expired / Lapsed | 1957-12-23 | 1962-05-29 | 2 | Details |
| US3028372A | Art of producing polymers of acrylonitrile | Expired / Lapsed | 1961-05-26 | 1962-04-03 | 2 | Details |
| US3017990A | Sterile package for surgical fabric | Expired / Lapsed | 1958-10-31 | 1962-01-23 | 2 | Details |
| US3010455A | Intracutaneous injector with controlled entrance angle | Expired / Lapsed | 1960-08-29 | 1961-11-28 | 0 | Details |
| US2980554A | Non-fibrous regenerated cellulose film containing anchoring… | Expired / Lapsed | 1959-01-27 | 1961-04-18 | 2 | Details |
| US2980589A | Process for producing anhydrous granulation of a medicinall… | Expired / Lapsed | 1958-09-12 | 1961-04-18 | 2 | Details |
| US2974787A | Single use, prepackaged vaccinator | Expired / Lapsed | 1960-05-10 | 1961-03-14 | 0 | Details |
| US2954769A | Aseptic liquid transfer apparatus | Expired / Lapsed | 1958-08-20 | 1960-10-04 | 0 | Details |
| US2949181A | Suture package and process of making same | Expired / Lapsed | 1958-11-13 | 1960-08-16 | 0 | Details |
| US2948999A | Manufacture of suture packages | Expired / Lapsed | 1957-09-24 | 1960-08-16 | 0 | Details |
| US2936211A | Art of producing polyacrylonitrile filaments | Expired / Lapsed | 1957-04-18 | 1960-05-10 | 2 | Details |
| US2927573A | Recording cardiotachometer | Expired / Lapsed | 1955-11-30 | 1960-03-08 | 0 | Details |
| US2919160A | Apparatus for dispensing material | Expired / Lapsed | 1957-10-25 | 1959-12-29 | 0 | Details |
| US2906724A | Composition containing polymethylol melamine and an ammoniu… | Expired / Lapsed | 1957-03-21 | 1959-09-29 | 2 | Details |
| US2895949A | Copolymers of acrylonitrile | Expired / Lapsed | 1953-08-20 | 1959-07-21 | 2 | Details |
| US2858727A | Device for the measurement of absolute turbidity | Expired / Lapsed | 1954-06-30 | 1958-11-04 | 0 | Details |
| US2850007A | Biopsy device | Expired / Lapsed | 1956-05-31 | 1958-09-02 | 0 | Details |
| US2824857A | Reaction products of an alkyleneimine and an organic carbon… | Expired / Lapsed | 1954-06-28 | 1958-02-25 | 2 | Details |
| US2810646A | Water-laid webs comprising water-fibrillated, wet-spun fila… | Expired / Lapsed | 1953-09-17 | 1957-10-22 | 2 | Details |
| US2777832A | Continuous process for the polymerization of acrylonitrile | Expired / Lapsed | 1951-05-22 | 1957-01-15 | 2 | Details |
| US2773685A | Weight recorder | Expired / Lapsed | 1951-06-19 | 1956-12-11 | 0 | Details |
| US2770629A | Preparation of phthalocyanine pigments | Expired / Lapsed | 1952-01-08 | 1956-11-13 | 2 | Details |
| US2769796A | Melamine-formaldehyde-polyamine condensation product | Expired / Lapsed | 1953-03-20 | 1956-11-06 | 1 | Details |
| US2745824A | Process for the polymerization of styrene and acrylonitrile | Expired / Lapsed | 1953-06-10 | 1956-05-15 | 2 | Details |
| US2711728A | Blood pressure measuring device | Expired / Lapsed | 1951-08-24 | 1955-06-28 | 2 | Details |
| US2710924A | Fluorimeter | Expired / Lapsed | 1954-01-13 | 1955-06-14 | 2 | Details |
| US2701391A | Drying polyacrylates | Expired / Lapsed | 1952-06-14 | 1955-02-08 | 2 | Details |
| US2695353A | Constant temperature control apparatus | Expired / Lapsed | 1952-04-10 | 1954-11-23 | 0 | Details |
| US2688632A | Catalytic process for producing acrylonitrile | Expired / Lapsed | 1951-02-08 | 1954-09-07 | 2 | Details |
| US2680110A | Copolymers of nu-methylol acrylamide | Expired / Lapsed | 1952-04-17 | 1954-06-01 | 2 | Details |
| US2668165A | Condensation products of higher fatty acids, polyalkylene p… | Expired / Lapsed | 1951-12-22 | 1954-02-02 | 3 | Details |
| US2661260A | Multiple range recorder | Expired / Lapsed | 1950-05-23 | 1953-12-01 | 0 | Details |
| US2648496A | Centrifugal apparatus for separating gases from liquids | Expired / Lapsed | 1946-12-03 | 1953-08-11 | 0 | Details |
| US2637321A | Shaped article and method of producing it | Expired / Lapsed | 1951-09-27 | 1953-05-05 | 2 | Details |
| US2629740A | Polyether amines and a process for their production | Expired / Lapsed | 1948-05-04 | 1953-02-24 | 2 | Details |
| US2624164A | Method of and apparatus for encapsulating liquid and semili… | Expired / Lapsed | 1950-11-16 | 1953-01-06 | 0 | Details |
| US2619447A | Injectable penicillin preparations | Expired / Lapsed | 1949-03-11 | 1952-11-25 | 2 | Details |
| US2607750A | Coprecipitation of thermoplastic resinous materials with ca… | Expired / Lapsed | 1947-12-26 | 1952-08-19 | 2 | Details |
| US2606810A | Treatment of wool-containing textile materials and products… | Expired / Lapsed | 1949-09-28 | 1952-08-12 | 2 | Details |
| US2606175A | Polymerizable compositions comprising 2-vinylbenzimidazole … | Expired / Lapsed | 1951-04-12 | 1952-08-05 | 2 | Details |
| US2603123A | Tristimulus integrator | Expired / Lapsed | 1950-03-04 | 1952-07-15 | 0 | Details |
| US2601597A | Application of dispersed coating materials to cellulosic fi… | Expired / Lapsed | 1946-09-06 | 1952-06-24 | 2 | Details |
| US2576073A | Fabricated structure comprising porous compositions of matt… | Expired / Lapsed | 1946-01-19 | 1951-11-20 | 2 | Details |
| US2563897A | Sizing cellulosic fibers with cationic melamine resin and h… | Expired / Lapsed | 1945-07-13 | 1951-08-14 | 2 | Details |
| US2558735A | Method of forming dyed shaped articles from acrylonitrile p… | Expired / Lapsed | 1950-08-30 | 1951-07-03 | 2 | Details |
| US2558732A | Method of producing staple fiber from polymers and copolyme… | Expired / Lapsed | 1949-04-15 | 1951-07-03 | 2 | Details |
| US2558730A | Method of preparing shaped products from polymers and copol… | Expired / Lapsed | 1947-09-04 | 1951-07-03 | 2 | Details |
| US2557667A | Reaction products of a cyanuric triester and a polyhydric a… | Expired / Lapsed | 1947-01-10 | 1951-06-19 | 2 | Details |
| US2554475A | Process for producing cationic ureaformaldehyde resins and … | Expired / Lapsed | 1947-03-05 | 1951-05-22 | 2 | Details |
| US2546841A | Amino-aldehyde resin plasticized with a polyvinyl acetal an… | Expired / Lapsed | 1946-07-19 | 1951-03-27 | 2 | Details |
| US2542819A | Method of impregnating fibrous sheet materials | Expired / Lapsed | 1947-01-21 | 1951-02-20 | 2 | Details |
| US2540163A | Blood pressure measuring device | Expired / Lapsed | 1946-11-22 | 1951-02-06 | 0 | Details |
| US2540059A | Method of and apparatus for measuring and filling powders v… | Expired / Lapsed | 1947-08-02 | 1951-01-30 | 0 | Details |
| US2531134A | Dimethyl phthalate solution of acetyl peroxide as catalyst … | Expired / Lapsed | 1946-03-12 | 1950-11-21 | 2 | Details |
| US2527300A | Copolymers of unsaturated sulfonic acids and polyunsaturate… | Expired / Lapsed | 1948-03-18 | 1950-10-24 | 2 | Details |
| US2524422A | Method of preparing organic acids | Expired / Lapsed | 1948-01-14 | 1950-10-03 | 2 | Details |
| US2517820A | Fluid-pressure controller | Expired / Lapsed | 1948-08-10 | 1950-08-08 | 0 | Details |
| US2512192A | Silicone resin medicament coating | Expired / Lapsed | 1948-05-26 | 1950-06-20 | 2 | Details |
| US2510503A | Polymers and copolymers of unsaturated triazines | Expired / Lapsed | 1946-10-02 | 1950-06-06 | 2 | Details |
| US2503209A | Unsaturated alkyd reacted with unsaturated isocyanate | Expired / Lapsed | 1948-01-30 | 1950-04-04 | 2 | Details |
| US2491409A | Copolymer of unsaturated fumarate alkyd resin | Expired / Lapsed | 1946-11-02 | 1949-12-13 | 0 | Details |
| US2491454A | Nonslip fabrics and method of preparation thereof | Expired / Lapsed | 1944-10-04 | 1949-12-13 | 0 | Details |
| US2490674A | Device for precision recording of x-ray diffraction patterns | Expired / Lapsed | 1948-07-13 | 1949-12-06 | 0 | Details |
| US2489026A | Antifogging composition | Expired / Lapsed | 1946-07-02 | 1949-11-22 | 0 | Details |
| US2485958A | Method of spinning collagen filaments | Expired / Lapsed | 1946-07-25 | 1949-10-25 | 0 | Details |
| US2485079A | Colloidal melamine-urea-formaldehyde copolymer solutions | Expired / Lapsed | 1944-01-04 | 1949-10-18 | 0 | Details |
| US2483192A | Froth flotation of iron impurities from feldspar | Expired / Lapsed | 1945-11-24 | 1949-09-27 | 0 | Details |
| US2475846A | Alkylidene-bis-acrylamides | Expired / Lapsed | 1946-10-31 | 1949-07-12 | 0 | Details |
| US2475697A | Treatment of collagen strands | Expired / Lapsed | 1946-04-19 | 1949-07-12 | 0 | Details |
| US2475194A | Method of molding thermosetting compositions in glass molds | Expired / Lapsed | 1946-10-22 | 1949-07-05 | 0 | Details |
| US2471249A | Photometric apparatus and spectrophotometer using polarized… | Expired / Lapsed | 1944-12-27 | 1949-05-24 | 0 | Details |
| US2468716A | Treatment of hydrogen-donor textile materials and products … | Expired / Lapsed | 1947-04-16 | 1949-04-26 | 0 | Details |
| US2468713A | Isocyanates and products prepared therefrom and methods of … | Expired / Lapsed | 1947-04-16 | 1949-04-26 | 0 | Details |
| US2458973A | Infrared spectrophotometry | Expired / Lapsed | 1943-09-25 | 1949-01-11 | 0 | Details |
| US2445044A | Differential refractometer | Expired / Lapsed | 1945-11-09 | 1948-07-13 | 0 | Details |
| US2443741A | Polymerizable compositions containing unsaturated alkyd res… | Expired / Lapsed | 1944-09-21 | 1948-06-22 | 0 | Details |
| US2443740A | Compositions of unsaturated alkyd resins and polyallyl este… | Expired / Lapsed | 1944-06-13 | 1948-06-22 | 0 | Details |
| US2443735A | Emulsion copolymerization of unsaturated alkyd resins | Expired / Lapsed | 1943-06-12 | 1948-06-22 | 0 | Details |
| US2443427A | Infrared gas analyzer | Expired / Lapsed | 1944-08-29 | 1948-06-15 | 0 | Details |
| US2441341A | Dialkyl sulfosuccinate composition | Expired / Lapsed | 1946-05-27 | 1948-05-11 | 0 | Details |
| US2439373A | Flickering beam photometer | Expired / Lapsed | 1944-09-27 | 1948-04-06 | 0 | Details |
| US2436375A | Clarifier for lubricating coolants by means of frothe flota… | Expired / Lapsed | 1943-04-19 | 1948-02-24 | 0 | Details |
| US2434190A | Purification of fluids with silvered resins | Expired / Lapsed | 1942-10-13 | 1948-01-06 | 0 | Details |
| US2432968A | Multiwall container | Expired / Lapsed | 1944-03-14 | 1947-12-16 | 0 | Details |
| US2432023A | Process for the preparation of aryldialkylolamines | Expired / Lapsed | 1943-03-19 | 1947-12-02 | 0 | Details |
| US2431019A | Multicomponent-gas analyzer | Expired / Lapsed | 1944-08-29 | 1947-11-18 | 0 | Details |
| US2429404A | Medicinal preparations containing sulfonamides | Expired / Lapsed | 1942-12-30 | 1947-10-21 | 0 | Details |
| US2427996A | Temperature compensator for refractometers | Expired / Lapsed | 1944-09-28 | 1947-09-23 | 0 | Details |
| US2426770A | Textile finishing composition comprising a methoxymethyl me… | Expired / Lapsed | 1942-02-07 | 1947-09-02 | 0 | Details |
| US2420286A | Chemiluminescent compositions | Expired / Lapsed | 1943-03-03 | 1947-05-06 | 0 | Details |
| US2420157A | Resin finishing of textiles | Expired / Lapsed | 1943-02-12 | 1947-05-06 | 0 | Details |
| US2414015A | Sulfosuccinate esters of p-tertiarybutylcyclohexanol | Expired / Lapsed | 1945-09-01 | 1947-01-07 | 0 | Details |
| US2413208A | Refractometer for chemical reactions | Expired / Lapsed | 1945-04-06 | 1946-12-24 | 0 | Details |
| US2410376A | Beneficiation of iron ores | Expired / Lapsed | 1943-04-05 | 1946-10-29 | 0 | Details |
| US2409633A | Polymers of unsaturated compounds and processes of producin… | Expired / Lapsed | 1943-07-17 | 1946-10-22 | 0 | Details |
| US2402032A | Treatment of interlining materials | Expired / Lapsed | 1944-08-03 | 1946-06-11 | 0 | Details |
| US2401599A | Preparation of acyl biurets | Expired / Lapsed | 1943-06-08 | 1946-06-04 | 0 | Details |
| US2394009A | Treatment of cellulosic materials | Expired / Lapsed | 1943-04-30 | 1946-02-05 | 0 | Details |
| US2376311A | Photoelectric recording system | Expired / Lapsed | 1942-03-21 | 1945-05-15 | 0 | Details |
| US2371892A | Permanent finish for textiles | Expired / Lapsed | 1941-08-30 | 1945-03-20 | 0 | Details |
| US2370362A | Finishing of cloth | Expired / Lapsed | 1943-01-01 | 1945-02-27 | 0 | Details |
| US2349152A | Impregnating gauze | Expired / Lapsed | 1941-09-10 | 1944-05-16 | 0 | Details |
| US2345543A | Cationic melamine-formaldehyde resin solution | Expired / Lapsed | 1942-07-31 | 1944-03-28 | 0 | Details |
| US2344733A | Molding composition | Expired / Lapsed | 1941-01-28 | 1944-03-21 | 0 | Details |
| US2341846A | Polyhydric alcohol ethers of aliphatic polycarboxylic acid … | Expired / Lapsed | 1941-06-24 | 1944-02-15 | 0 | Details |
| US2339203A | Treatment of cellulosic textile material | Expired / Lapsed | 1941-08-30 | 1944-01-11 | 0 | Details |
| US2334148A | Pump | Expired / Lapsed | 1941-06-25 | 1943-11-09 | 0 | Details |
| US2329622A | Treatment of woolen textile materials | Expired / Lapsed | 1941-08-30 | 1943-09-14 | 0 | Details |
| US2328461A | Continuous recorder for color changes | Expired / Lapsed | 1941-08-14 | 1943-08-31 | 0 | Details |
| US2326698A | Coating composition containing polyvinyl acetate methylal | Expired / Lapsed | 1940-12-26 | 1943-08-10 | 0 | Details |
| US2320225A | Condensation products of amidines with alkylene oxides | Expired / Lapsed | 1941-01-30 | 1943-05-25 | 0 | Details |
| US2314800A | Infrared spectrophotometer | Expired / Lapsed | 1939-07-21 | 1943-03-23 | 0 | Details |
| US2312414A | Process for concentrating ore materials | Expired / Lapsed | 1941-09-04 | 1943-03-02 | 0 | Details |
| US2291080A | Method of producing paper having high wet strength and prod… | Expired / Lapsed | 1940-02-06 | 1942-07-28 | 0 | Details |
| US2285750A | Process of purifying water | Expired / Lapsed | 1940-07-31 | 1942-06-09 | 0 | Details |
| US2280242A | Maleic anhydride-ethylene glycolmethallyl alcohol resin | Expired / Lapsed | 1939-12-13 | 1942-04-21 | 0 | Details |
| US2269674A | Method for photometric analysis | Expired / Lapsed | 1939-08-22 | 1942-01-13 | 0 | Details |
| US2263335A | Gas analyzer | Expired / Lapsed | 1939-11-10 | 1941-11-18 | 0 | Details |
| US2259736A | Metallized acid polyazo dyes | Expired / Lapsed | 1939-10-31 | 1941-10-21 | 0 | Details |
| US2259734A | Metallized acid polyazo dyes | Expired / Lapsed | 1939-10-31 | 1941-10-21 | 0 | Details |
| US2259735A | Metallized acid polyazo dyes | Expired / Lapsed | 1939-10-31 | 1941-10-21 | 0 | Details |
| US2259225A | Coloring composition for textiles | Expired / Lapsed | 1938-09-08 | 1941-10-14 | 0 | Details |
| US2257997A | Breaking petroleum emulsions | Expired / Lapsed | 1940-11-27 | 1941-10-07 | 0 | Details |
| US2257384A | Catalytic process | Expired / Lapsed | 1939-07-13 | 1941-09-30 | 0 | Details |
| US2255901A | Method of producing glazed chintz | Expired / Lapsed | 1939-04-05 | 1941-09-16 | 0 | Details |
| US2251234A | Process and product for removing anions | Expired / Lapsed | 1940-12-06 | 1941-07-29 | 0 | Details |
| US2237950A | Direct current amplifier | Expired / Lapsed | 1940-03-19 | 1941-04-08 | 0 | Details |
| US2236379A | Monochromator | Expired / Lapsed | 1940-09-26 | 1941-03-25 | 0 | Details |
| US2229291A | Molding compounds | Expired / Lapsed | 1939-02-16 | 1941-01-21 | 0 | Details |
| US2220397A | Metallized acid polyazo dyes | Expired / Lapsed | 1940-06-11 | 1940-11-05 | 0 | Details |
| US2218474A | Plastic and coating composition | Expired / Lapsed | 1938-12-17 | 1940-10-15 | 0 | Details |
| US2211628A | Sector photometer | Expired / Lapsed | 1939-02-09 | 1940-08-13 | 0 | Details |
| US2206575A | Spectrophotometer | Expired / Lapsed | 1938-04-16 | 1940-07-02 | 0 | Details |
| US2194910A | Spectrophotometer | Expired / Lapsed | 1938-09-07 | 1940-03-26 | 0 | Details |
| US2189270A | Photometer construction | Expired / Lapsed | 1938-09-07 | 1940-02-06 | 0 | Details |
| US2184166A | Package for explosives | Expired / Lapsed | 1937-05-27 | 1939-12-19 | 0 | Details |
| US2142305A | Building unit and construction | Expired / Lapsed | 1932-09-13 | 1939-01-03 | 0 | Details |
| US2127661A | Decking | Expired / Lapsed | 1935-09-24 | 1938-08-23 | 0 | Details |