Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4925890 | Process for processing thermoplastic polymers | Pak S. Leung, Errol D. Goddard | 1990-05-15 |
| 4873116 | Method of preparing mixtures of incompatible hydrocarbon polymers | — | 1989-10-10 |
| 4857593 | Process for processing thermoplastic polymers | Pak S. Leung, Errol D. Goddard | 1989-08-15 |
| 4795768 | Impact promoters for mineral-filled thermoplastics | Arnold C. Ashcraft | 1989-01-03 |
| 4661537 | Impact promoters for mineral-filled thermoplastics | Arnold C. Ashcraft | 1987-04-28 |
| RE31992 | Reinforcement promoters for filled thermoplastic polymers | Arnold C. Ashcraft, Martin S. Leung, Audrey Y. Ku | 1985-09-24 |
| 4409342 | Synergistic reinforcement promoter systems for filled polymers | Arnold C. Ashcraft, Eric R. Wagner, by Maria M. Wagner, executrix | 1983-10-11 |
| 4385136 | Reinforcement promoters for filled thermoplastic polymers | Arnold C. Ashcraft, Martin S. Leung, Audrey Y. Ku | 1983-05-24 |