Rohm and Haas Co
Rohm and HActive Patents
0
Total Holdings
71
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB681411A | Improvements in or relating to process of regenerating an e… | Expired / Lapsed | 1950-09-08 | — | 0 | Details |
| US4542169A | Biomedical devices containing isothiazolones to control bac… | Expired / Lapsed | 1983-12-12 | 1985-09-17 | 17 | Details |
| US4243403A | 3-Isothiazolones | Expired / Lapsed | 1978-05-30 | 1981-01-06 | 9 | Details |
| US4167616A | Polymerization with diborane adducts or oligomers of boron-… | Expired / Lapsed | 1977-08-22 | 1979-09-11 | 18 | Details |
| US4064042A | Purification of blood using partially pyrolyzed polymer par… | Expired / Lapsed | 1976-02-02 | 1977-12-20 | 7 | Details |
| US3801575A | 3-hydroxyisothiazoles | Expired / Lapsed | 1972-01-24 | 1974-04-02 | 0 | Details |
| US3794584A | Removal of poisons and drugs from blood | Expired / Lapsed | 1970-04-09 | 1974-02-26 | 0 | Details |
| US3740366A | Pressure sensitive adhesive containing carboxylic acid grou… | Expired / Lapsed | 1971-01-22 | 1973-06-19 | 0 | Details |
| US3426101A | Acrylic modifiers which impart impact resistance and transp… | Expired / Lapsed | 1965-08-25 | 1969-02-04 | 0 | Details |
| US3246946A | Method of crease-proofing cellulosic fabrics and fabrics ob… | Expired / Lapsed | 1963-02-19 | 1966-04-19 | 5 | Details |
| US3245932A | Water-soluble 2-dimethylamino-ethanol salts of (c1-c2) alky… | Expired / Lapsed | 1965-05-12 | 1966-04-12 | 2 | Details |
| US3390139A | Nu-vinyl-2-piperazinones | Expired / Lapsed | 1964-03-04 | 1966-03-11 | 0 | Details |
| US3223643A | Liquid acid-detergent-sanitizer composition | Expired / Lapsed | 1964-11-12 | 1965-12-14 | 2 | Details |
| US3200099A | Thermosetting compositions comprising methylene diethers an… | Expired / Lapsed | 1963-06-10 | 1965-08-10 | 2 | Details |
| US3170901A | Novel quaternary ammonium compounds and polymers thereof | Expired / Lapsed | 1960-12-27 | 1965-02-23 | 1 | Details |
| US3094494A | Improved ion exchange cellular products | Expired / Lapsed | 1959-01-26 | 1963-06-18 | 2 | Details |
| US3084073A | Copolymers of alkyl acrylate, methoxymethyl vinyl sulfide, … | Expired / Lapsed | 1959-12-10 | 1963-04-02 | 2 | Details |
| US3083172A | Graft copolymer of an acrylic ester with poly(vinyl acetate) | Expired / Lapsed | 1959-02-26 | 1963-03-26 | 2 | Details |
| US3028367A | Copolymers of hydroxyalkyl acrylates and methacrylates and … | Expired / Lapsed | 1958-04-14 | 1962-04-03 | 2 | Details |
| US3024207A | Ion-exchange products and methods for making and suing them | Expired / Lapsed | 1958-04-10 | 1962-03-06 | 2 | Details |
| US3015595A | Bonded non-woven fibrous products | Expired / Lapsed | 1958-04-09 | 1962-01-02 | 2 | Details |
| US2987445A | Drug composition | Expired / Lapsed | 1958-10-10 | 1961-06-06 | 2 | Details |
| US2963453A | Acrylic and methacrylic acid resins controllably crosslinke… | Expired / Lapsed | 1957-03-15 | 1960-12-06 | 2 | Details |
| US2952210A | Fluid pump | Expired / Lapsed | 1958-05-15 | 1960-09-13 | 0 | Details |
| US2886474A | Compositions for binding pigments | Expired / Lapsed | 1954-04-14 | 1959-05-12 | 2 | Details |
| US2885374A | Amylaceous coating composition containing hexamethylenetetr… | Expired / Lapsed | 1955-12-21 | 1959-05-05 | 2 | Details |
| US2879178A | Coated leather products and methods for producing them | Expired / Lapsed | 1956-06-29 | 1959-03-24 | 1 | Details |
| US2866256A | Wool-like artificial fibers | Expired / Lapsed | 1956-04-05 | 1958-12-30 | 2 | Details |
| US2827359A | Process for stabilization of protein textiles with 4-vinyl … | Expired / Lapsed | 1954-03-22 | 1958-03-18 | 2 | Details |
| US2827426A | Cationic permselective membranes and their use in electroly… | Expired / Lapsed | 1954-02-12 | 1958-03-18 | 2 | Details |
| US2820043A | Preparation of imidazoline propionic acid derivatives | Expired / Lapsed | 1954-10-26 | 1958-01-14 | 2 | Details |
| US2812350A | (5, 5, 7, 7-tetramethyl-2-octenyl) trialkyl ammonium salts | Expired / Lapsed | 1955-08-29 | 1957-11-05 | 2 | Details |
| US2706195A | Bis(5, 5, 7, 7-tetramethyl-2-octenyl) dialkylammonium salts | Expired / Lapsed | 1952-06-26 | 1955-04-12 | 2 | Details |
| US2699435A | Polyurea resins | Expired / Lapsed | 1952-07-22 | 1955-01-11 | 2 | Details |
| US2696504A | Polyaminopolyureas | Expired / Lapsed | 1952-07-12 | 1954-12-07 | 3 | Details |
| US2694696A | N, n-ethyleneureidoalkyl vinyl ethers | Expired / Lapsed | 1953-04-10 | 1954-11-16 | 2 | Details |
| US2692256A | Esters of vinyloxyalkoxy compounds and unsaturated carboxyl… | Expired / Lapsed | 1951-03-09 | 1954-10-19 | 2 | Details |
| US2681319A | Permselective films of anionexchange resins | Expired / Lapsed | 1951-01-10 | 1954-06-15 | 2 | Details |
| US2623023A | Expanded, cellular, resinous products containing polyepoxid… | Expired / Lapsed | 1951-07-28 | 1952-12-23 | 2 | Details |
| US2605253A | Urea resins containing dimethylamino substituents | Expired / Lapsed | 1950-12-16 | 1952-07-29 | 2 | Details |
| US2591573A | Resinous insoluble reaction products of tertiary amines wit… | Expired / Lapsed | 1947-07-05 | 1952-04-01 | 1 | Details |
| US2548438A | Multicellular acrylic resin | Expired / Lapsed | 1948-11-24 | 1951-04-10 | 2 | Details |
| US2525777A | Butenylene bis | Expired / Lapsed | 1949-06-29 | 1950-10-17 | 2 | Details |
| US2504064A | Polyethyleneglycol ethers of bis (di-alkyl-hydroxyphenyl)-m… | Expired / Lapsed | 1946-04-05 | 1950-04-11 | 2 | Details |
| US2499134A | Method of providing adhesion between surfaces | Expired / Lapsed | 1944-11-29 | 1950-02-28 | 2 | Details |
| US2401642A | Extrusion of thermoplastic material | Expired / Lapsed | 1942-10-23 | 1946-06-04 | 0 | Details |
| US2395989A | Quaternary ammonium nitrophenates | Expired / Lapsed | 1943-09-11 | 1946-03-05 | 0 | Details |
| US2385486A | Production of thermoplastic sheets of nonuniform thickness | Expired / Lapsed | 1942-03-28 | 1945-09-25 | 0 | Details |
| US2365637A | Method of shaping thermoplastic domes | Expired / Lapsed | 1942-08-28 | 1944-12-19 | 0 | Details |
| US2352922A | Paper manufacture | Expired / Lapsed | 1939-10-06 | 1944-07-04 | 0 | Details |
| US2347320A | Casting composition | Expired / Lapsed | 1940-06-27 | 1944-04-25 | 0 | Details |
| US2338983A | Process of treating fabrics | Expired / Lapsed | 1939-05-01 | 1944-01-11 | 0 | Details |
| US2337421A | Preparation of nitriles from primary alcohols using catalys… | Expired / Lapsed | 1941-10-07 | 1943-12-21 | 0 | Details |
| US2320924A | Translucent polymeric methacrylic esters | Expired / Lapsed | 1939-05-08 | 1943-06-01 | 0 | Details |
| US2301509A | Fixation of sizes | Expired / Lapsed | 1939-10-21 | 1942-11-10 | 0 | Details |
| US2294299A | Insecticidal compositions | Expired / Lapsed | 1940-11-28 | 1942-08-25 | 0 | Details |
| US2264376A | Preparation of methacrylic polymer molding material | Expired / Lapsed | 1939-09-30 | 1941-12-02 | 0 | Details |
| US2250485A | Process for polymerizing acrylic and methacrylic acid esters | Expired / Lapsed | 1939-08-12 | 1941-07-29 | 0 | Details |
| US2216045A | Water soluble ethers of alpha cellulose | Expired / Lapsed | 1937-05-27 | 1940-09-24 | 0 | Details |
| US2204520A | Leather finishing | Expired / Lapsed | 1937-01-06 | 1940-06-11 | 0 | Details |
| US2191922A | Quaternary methallyl ammonium halides | Expired / Lapsed | 1936-11-10 | 1940-02-27 | 0 | Details |
| US2160054A | Polymerization process | Expired / Lapsed | 1933-03-23 | 1939-05-30 | 0 | Details |
| US2157049A | Process of treating cast polymeric resin sheets | Expired / Lapsed | 1937-04-15 | 1939-05-02 | 0 | Details |
| US2154639A | Process for the manufacture of polymerization products | Expired / Lapsed | 1935-12-04 | 1939-04-18 | 0 | Details |
| US2142445A | Method of shaping thermoplastic sheets | Expired / Lapsed | 1936-11-27 | 1939-01-03 | 0 | Details |
| US2137465A | Process of finishing textiles | Expired / Lapsed | 1937-05-11 | 1938-11-22 | 0 | Details |
| US2137377A | Laminated glass | Expired / Lapsed | 1934-02-20 | 1938-11-22 | 0 | Details |
| US2129478A | Polymerization process | Expired / Lapsed | 1934-12-12 | 1938-09-06 | 0 | Details |
| US2115250A | Organic nitrogen bases and their salts | Expired / Lapsed | 1936-05-28 | 1938-04-26 | 0 | Details |
| US2091627A | Composition of matter and process | Expired / Lapsed | 1934-06-08 | 1937-08-31 | 0 | Details |
| US1883042A | Process of fatliquoring | Expired / Lapsed | 1930-06-20 | 1932-10-18 | 0 | Details |