GAF Chemicals Corp
GAF ChemicActive Patents
0
Total Holdings
61
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB824215A | Water soluble iodine polymer complexes | Expired / Lapsed | 1957-06-20 | — | 0 | Details |
| GB650152A | A process of improving the slippage characteristics of film… | Expired / Lapsed | 1948-09-14 | — | 0 | Details |
| US3507583A | Pump for liquids | Expired / Lapsed | 1967-10-04 | 1970-04-21 | 0 | Details |
| US3136755A | Insoluble polymeric-iodine complexes | Expired / Lapsed | 1960-12-01 | 1964-06-09 | 4 | Details |
| US3099558A | Photopolymerization of vinyl monomers by means of a radiati… | Expired / Lapsed | 1959-06-26 | 1963-07-30 | 2 | Details |
| US3063968A | Polymerization of 2-p-dioxanone | Expired / Lapsed | 1960-06-15 | 1962-11-13 | 2 | Details |
| US3063967A | Polymers of 2-p-dioxanone and method for making same | Expired / Lapsed | 1959-10-07 | 1962-11-13 | 2 | Details |
| US3061569A | Process of reacting a polymeric n-vinyl lactam with a polym… | Expired / Lapsed | 1958-12-10 | 1962-10-30 | 2 | Details |
| US3050390A | Photopolymerization of vinyl monomers by means of silver co… | Expired / Lapsed | 1958-10-06 | 1962-08-21 | 2 | Details |
| US2941917A | Laminated polymer sheets | Expired / Lapsed | 1954-03-26 | 1960-06-21 | 2 | Details |
| US2915430A | Method of controlling nematodes with n-acylpyrrolidones | Expired / Lapsed | 1958-09-30 | 1959-12-01 | 2 | Details |
| US2901457A | Process of reacting a polymeric n-vinyl lactam with a polym… | Expired / Lapsed | 1954-11-15 | 1959-08-25 | 2 | Details |
| US2872433A | Stabilization of polymeric n-vinyl pyrrolidones with sulfur… | Expired / Lapsed | 1955-12-27 | 1959-02-03 | 2 | Details |
| US2826532A | Process of stabilizing polyvinyl pyrrolidone-iodine composi… | Expired / Lapsed | 1954-09-22 | 1958-03-11 | 0 | Details |
| US2809958A | Polymerization procedures for 2-pyrrolidone | Expired / Lapsed | 1953-02-24 | 1957-10-15 | 2 | Details |
| US2774709A | Polyoxyethylated alkyl phenol emulsification of insoluble h… | Expired / Lapsed | 1953-11-16 | 1956-12-18 | 2 | Details |
| US2759975A | Mixed alkyl-benzyl-alkylol quaternary ammonium salts | Expired / Lapsed | 1952-05-28 | 1956-08-21 | 2 | Details |
| US2706701A | Process for the preparation of iodinepolyvinylpyrrolidone b… | Expired / Lapsed | 1952-04-15 | 1955-04-19 | 2 | Details |
| US2693430A | Process for rendering textile materials water-repellent | Expired / Lapsed | 1952-01-17 | 1954-11-02 | 2 | Details |
| US2618020A | Poly-n-vinyl pyrrole compound molding composition, molding … | Expired / Lapsed | 1945-02-02 | 1952-11-18 | 2 | Details |
| US2594514A | Comparison type densitometer | Expired / Lapsed | 1949-12-20 | 1952-04-29 | 0 | Details |
| US2593112A | Emulsifying agents | Expired / Lapsed | 1948-12-15 | 1952-04-15 | 2 | Details |
| US2577773A | Ternary detergent compositions | Expired / Lapsed | 1947-03-26 | 1951-12-11 | 1 | Details |
| US2576839A | Polymerization of alkylolamides of the acrylic acid series | Expired / Lapsed | 1945-10-16 | 1951-11-27 | 1 | Details |
| US2572229A | Electrically operated photographic shutter | Expired / Lapsed | 1947-09-16 | 1951-10-23 | 0 | Details |
| US2561243A | Comparison type densitometer and electronic measuring circu… | Expired / Lapsed | 1946-04-16 | 1951-07-17 | 0 | Details |
| US2533166A | Process for polymerizing watersoluble polyacrylamides and p… | Expired / Lapsed | 1945-10-16 | 1950-12-05 | 2 | Details |
| US2527765A | Film mount | Expired / Lapsed | 1944-11-01 | 1950-10-31 | 0 | Details |
| US2522776A | Process of rendering synthetic rubber tacky | Expired / Lapsed | 1946-10-11 | 1950-09-19 | 4 | Details |
| US2522771A | Photographic silver halide emulsions | Expired / Lapsed | 1944-11-03 | 1950-09-19 | 2 | Details |
| US2478163A | Logarithmic photometer | Expired / Lapsed | 1944-12-30 | 1949-08-02 | 0 | Details |
| US2417023A | Photoelectric electron multiplier tube photometer circuits | Expired / Lapsed | 1944-09-15 | 1947-03-04 | 0 | Details |
| US2354108A | Copying apparatus | Expired / Lapsed | 1941-03-28 | 1944-07-18 | 0 | Details |
| US2352983A | Conveying apparatus | Expired / Lapsed | 1942-01-30 | 1944-07-04 | 0 | Details |
| US2345485A | Dyestuff salts | Expired / Lapsed | 1940-01-26 | 1944-03-28 | 0 | Details |
| US2315829A | Cooling apparatus | Expired / Lapsed | 1942-03-11 | 1943-04-06 | 0 | Details |
| US2306924A | Hard infusible resinous condensation products | Expired / Lapsed | 1939-02-08 | 1942-12-29 | 0 | Details |
| US2302805A | Composition for mothproofing | Expired / Lapsed | 1937-08-31 | 1942-11-24 | 0 | Details |
| US2300970A | Apparatus for printing subtractive multicolor images | Expired / Lapsed | 1941-03-06 | 1942-11-03 | 0 | Details |
| US2295628A | Apparatus for the reversal of color negatives | Expired / Lapsed | 1940-11-13 | 1942-09-15 | 0 | Details |
| US2263598A | Interpolymerization product of vinyl acetate and crotonic a… | Expired / Lapsed | 1938-04-22 | 1941-11-25 | 0 | Details |
| US2242490A | Nitrogenous condensation product from 1.2-alkylene imines | Expired / Lapsed | 1939-01-21 | 1941-05-20 | 0 | Details |
| US2240957A | Process for avoiding and rendering harmless the precipitate… | Expired / Lapsed | 1936-10-22 | 1941-05-06 | 0 | Details |
| US2239780A | Process for improving the properties of thermoplastic, film… | Expired / Lapsed | 1938-05-17 | 1941-04-29 | 0 | Details |
| US2224022A | Maleic acid and fumaric acid derivatives | Expired / Lapsed | 1939-08-01 | 1940-12-03 | 0 | Details |
| US2219006A | Addition products of 3, 4 dehydrocyclotetramethylene sulpho… | Expired / Lapsed | 1938-01-21 | 1940-10-22 | 0 | Details |
| US2215196A | Process of producing color on textile materials | Expired / Lapsed | 1937-09-14 | 1940-09-17 | 0 | Details |
| US2214352A | Process for the production of condensation products contain… | Expired / Lapsed | 1936-06-17 | 1940-09-10 | 0 | Details |
| US2213477A | Glycol and polyglycol ethers of isocyclic hydroxyl compounds | Expired / Lapsed | 1936-11-18 | 1940-09-03 | 0 | Details |
| US2211001A | Oxalkyl derivatives of imidazolines | Expired / Lapsed | 1938-03-10 | 1940-08-13 | 0 | Details |
| US2203036A | Apparatus for measuring the color of light | Expired / Lapsed | 1938-12-03 | 1940-06-04 | 0 | Details |
| US2150966A | Intensifying and fluorescent screen | Expired / Lapsed | 1935-10-19 | 1939-03-21 | 0 | Details |
| US2101710A | Apparatus for measuring the region of density of a negative | Expired / Lapsed | 1935-03-16 | 1937-12-07 | 0 | Details |
| US2045080A | Manufacture of molded articles | Expired / Lapsed | 1933-06-01 | 1936-06-23 | 0 | Details |
| US2044333A | Marking sound and moving picture film for the purpose of sy… | Expired / Lapsed | 1930-05-27 | 1936-06-16 | 0 | Details |
| US2015261A | Diaphragm for cameras | Expired / Lapsed | 1932-12-12 | 1935-09-24 | 0 | Details |
| US2006002A | Manufacture of photographic silver halide emulsion layers | Expired / Lapsed | 1933-11-24 | 1935-06-25 | 0 | Details |
| US1984481A | Apparatus for projecting lenticular films | Expired / Lapsed | 1930-11-12 | 1934-12-18 | 0 | Details |
| US1910294A | High gloss drying apparatus for photographic prints | Expired / Lapsed | 1930-03-25 | 1933-05-23 | 0 | Details |
| US1738530A | Preparation of photosensitive photographic emulsions | Expired / Lapsed | 1928-08-11 | 1929-12-10 | 0 | Details |
| US1719711A | Photographic silver-halid emulsion | Expired / Lapsed | 1926-08-06 | 1929-07-02 | 0 | Details |