Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4410684 | Aromatic copolyamides containing ether linkages | Robert G. Nelb, II | 1983-10-18 |
| 4376834 | Polyurethane prepared by reaction of an organic polyisocyanate, a chain extender and an isocyanate-reactive material of m.w. 500-20,000 characterized by the use of only 2-25 percent by weight of the latter material | David Goldwasser | 1983-03-15 |
| 4328331 | Novel polyester-amides | Augustin T. Chen, Robert G. Nelb, II | 1982-05-04 |
| 4260718 | Modified carbodiimide-containing polyisocyanates and glassy polyurethanes therefrom | William J. Farrissey, Jr., David Goldwasser | 1981-04-07 |
| 4225686 | Blends of copolyimides with copolyamideimides | Frank P. Recchia | 1980-09-30 |