Shawinigan Chemicals Ltd
ShawiniganActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3058940A | Preparation of water-soluble polyethylene glycol copolymers… | Expired / Lapsed | 1959-05-22 | 1962-10-16 | 2 | Details |
| US2459955A | Polyvinyl acetate emulsion adhesive | Expired / Lapsed | 1945-11-09 | 1949-01-25 | 0 | Details |
| US2457261A | Polyvinyl acetal resins | Expired / Lapsed | 1945-05-16 | 1948-12-28 | 0 | Details |
| US2453440A | Carbon black | Expired / Lapsed | 1944-04-12 | 1948-11-09 | 0 | Details |
| US2388602A | Polymerization of vinyl esters in emulsion | Expired / Lapsed | 1942-09-04 | 1945-11-06 | 0 | Details |
| US2388600A | Polymerization in emulsion | Expired / Lapsed | 1942-09-04 | 1945-11-06 | 0 | Details |
| US2185786A | Means for regulating electric steam generators | Expired / Lapsed | 1938-11-28 | 1940-01-02 | 0 | Details |
| US2085490A | Chewing gum composition | Expired / Lapsed | 1933-08-14 | 1937-06-29 | 0 | Details |