Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33079 | Homopolymerization of acetylene substituted polyimide polymers | Abraham L. Landis, Leroy J. Miller | 1989-10-03 |
| 4864016 | Polyimide composition and method for protecting photoreactive cells | Preston S. DuPont | 1989-09-05 |
| 4592925 | Polyimide composition and method for protecting photoreactive cells | Preston S. Du Pont | 1986-06-03 |
| 4534882 | Method of making an epoxy prepolymer curing agent | Ralph D. Hermansen | 1985-08-13 |
| 4393101 | Diethynylbenzene-ethynylpyrene copolymers | — | 1983-07-12 |
| 4369297 | Diethynylbenzene-ethynylpyrene copolymers | — | 1983-01-18 |
| 4324830 | Diethynylbenzene-ethylnylpyrene copolymers | — | 1982-04-13 |
| 4284834 | Diethynyl aromatic hydrocarbons which homopolymerize and char efficiently after cure | William B. Austin | 1981-08-18 |
| 4276407 | Acetylene terminated imide oligomers which melt at low temperatures | Abraham L. Landis | 1981-06-30 |
| RE30217 | Copolymer of polyimide oligomers and terephthalonitrile N,N-dioxide and their methods of preparation | Abraham L. Landis, Leroy J. Miller | 1980-02-19 |
| 4188337 | Nitrile substituted polyimide precursors | Abraham L. Landis, Leroy J. Miller | 1980-02-12 |
| 4183869 | Ethynyl-terminated epoxy resin derivatives and process for making the same | — | 1980-01-15 |