PPG Industries Inc
PPG IndustActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4174241A | Simultaneously laminating and press polishing plastic lamin… | Expired / Lapsed | 1978-07-21 | 1979-11-13 | 12 | Details |
| US4040888A | Apparatus for prepressing transparent laminated assemblies | Expired / Lapsed | 1975-10-01 | 1977-08-09 | 7 | Details |
| US3933552A | Preparing transparent assemblies for lamination | Expired / Lapsed | 1974-07-10 | 1976-01-20 | 11 | Details |
| US3808077A | Method for laminating plastic to glass employing glass mold | Expired / Lapsed | 1971-09-16 | 1974-04-30 | 13 | Details |
| US3625792A | Fabricating glass-plastic windows | Expired / Lapsed | 1970-04-27 | 1971-12-07 | 14 | Details |
| US3509015A | Glass laminated with polyurethane | Expired / Lapsed | 1965-02-24 | 1970-04-28 | 0 | Details |
| US3357876A | Method of strengthening a glass article by ion exchange | Expired / Lapsed | 1965-01-19 | 1967-12-12 | 2 | Details |
| US2394642A | Silicic acid esters | Expired / Lapsed | 1942-11-25 | 1946-02-12 | 0 | Details |
| US2320533A | Artificial glass | Expired / Lapsed | 1940-02-08 | 1943-06-01 | 0 | Details |