Dow Chemical Co
Dow ChemicActive Patents
0
Total Holdings
22
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4256622A | Curable hydroxy resin compositions | Expired / Lapsed | 1980-01-07 | 1981-03-17 | 17 | Details |
| US3422008A | Wound hollow fiber permeability apparatus and process of ma… | Expired / Lapsed | 1963-10-24 | 1969-01-14 | 0 | Details |
| US3373876A | Artificial body organ apparatus | Expired / Lapsed | 1966-05-12 | 1968-03-19 | 0 | Details |
| US3342729A | Permeability separatory cell and apparatus and method of us… | Expired / Lapsed | 1964-12-09 | 1967-09-19 | 2 | Details |
| US3302241A | Apparatus for preparation of plastic tubes | Expired / Lapsed | 1964-11-05 | 1967-02-07 | 2 | Details |
| US3228877A | Permeability separatory apparatus and process utilizing hol… | Expired / Lapsed | 1961-06-16 | 1966-01-11 | 2 | Details |
| US3104704A | Fluid loss control in hydraulic cement slurries | Expired / Lapsed | 1959-08-17 | 1963-09-24 | 2 | Details |
| US2634459A | Process for the manufacture of crystalline vinylidene chlor… | Expired / Lapsed | 1951-02-03 | 1953-04-14 | 2 | Details |
| US2632736A | Antifoaming composition | Expired / Lapsed | 1946-08-22 | 1953-03-24 | 2 | Details |
| US2532245A | Thermoplastic compositions with reduced flow viscosity | Expired / Lapsed | 1949-08-26 | 1950-11-28 | 2 | Details |
| US2448433A | Making wrinkle-free film | Expired / Lapsed | 1945-09-10 | 1948-08-31 | 0 | Details |
| US2399592A | Method of making molded thermoplastic articles | Expired / Lapsed | 1943-09-09 | 1946-04-30 | 0 | Details |
| US2385358A | Method of making fine fibers | Expired / Lapsed | 1944-09-15 | 1945-09-25 | 0 | Details |
| US2347615A | Apparatus for treating wells | Expired / Lapsed | 1942-03-02 | 1944-04-25 | 0 | Details |
| US2309370A | Heat treatment of vinylidene chloride polymers | Expired / Lapsed | 1940-12-12 | 1943-01-26 | 0 | Details |
| US2288995A | Surface treatment of magnesium and its alloys | Expired / Lapsed | 1940-04-13 | 1942-07-07 | 0 | Details |
| US2270182A | Manufacture of purified vinyl aromatic resins in powdered f… | Expired / Lapsed | 1939-05-19 | 1942-01-13 | 0 | Details |
| US2232927A | Making unsaturated ethers of cellulose | Expired / Lapsed | 1939-01-28 | 1941-02-25 | 0 | Details |
| US2224852A | Molding polystyrene and related resins | Expired / Lapsed | 1938-06-28 | 1940-12-17 | 0 | Details |
| US2220545A | Method of welding thermoplastic materials | Expired / Lapsed | 1937-11-20 | 1940-11-05 | 0 | Details |
| US2121731A | Cellulose ether recovery | Expired / Lapsed | 1936-07-30 | 1938-06-21 | 0 | Details |
| US1411422A | Lachrymatory gas | Expired / Lapsed | 1920-03-31 | 1922-04-04 | 0 | Details |