Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4457254 | Film coating and biaxial orienting apparatus | — | 1984-07-03 |
| 4432917 | Method for improving thickness uniformity of stretch oriented polyacrylonitrile film | — | 1984-02-21 |
| 4426486 | Clear aquagel polyimide film | — | 1984-01-17 |
| 4420514 | Polymer film treatment with organic impregnant | — | 1983-12-13 |
| 4405550 | Manufacture of polyimide film by solvent casting | — | 1983-09-20 |
| 4403055 | Method of preparing a concentrated acrylonitrile polymer solution | — | 1983-09-06 |
| 4401702 | Film laminate and product pouch or tube therefrom | — | 1983-08-30 |
| 4391939 | Polymer film treatment with organic impregnant | — | 1983-07-05 |
| 4389505 | Plasticized polyacrylonitrile, a film thereof and a process for film preparation and plasticization | — | 1983-06-21 |
| 4389437 | Boil resistant film laminate and retortable food pouch therefrom | — | 1983-06-21 |
| 4388258 | Polymer film coated with aqueous polymer | — | 1983-06-14 |
| 4386897 | System for recovering film from pressurized extrusion zone | — | 1983-06-07 |
| 4353967 | Multilayer polyacrylonitrile film | — | 1982-10-12 |
| 4324707 | Flowable polyacrylonitrile power treated with essentially pure solvent | — | 1982-04-13 |
| 4321230 | Process for recovering film from pressurized extrusion zone | — | 1982-03-23 |
| 4287147 | Multilayer film manufacture utilizing scrap resin | — | 1981-09-01 |
| 4261874 | Polymeric acrylonitrile films and method of making same | — | 1981-04-14 |