Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4629776 | Process for the preparation of polyamide from omega-aminonitrile utilizing an oxygenated sulfur compound as catalyst | Robert C. Sentman, Gerald P. Coffey | 1986-12-16 |
| 4609722 | Process for preparing substantially linear polyamide from N-alkylamide-substituted amine and aqueous ammonia | Gerald P. Coffey, Robert Sanitra | 1986-09-02 |
| 4603192 | Process for the manufacture of spinnable polyamides utilizing a mixture of an oxygenated phosphorus compound and an oxygenated boron compound as catalyst | Gerald P. Coffey, Robert S. Sherrard, Jr., Robert C. Sentman | 1986-07-29 |
| 4588797 | Composition comprising amide, lithium halide and organic sulfone | Gerald P. Coffey | 1986-05-13 |
| 4568736 | Preparation of polyamide from omega-aminonitrile with oxygen containing phosphorus catalyst | Robert C. Sentman, Gerald P. Coffey | 1986-02-04 |
| 4556697 | Alternating copolyamide prepared on a polymer matrix | Gerald P. Coffey | 1985-12-03 |
| 4543407 | Catalytic process for the manufacture of polyamides from diamines and diamides | Robert C. Sentman, Gerald P. Coffey | 1985-09-24 |
| 4542205 | Process for the manufacture of polyamides utilizing a mixture of an oxygenated phosphorus compound and a molybdenum compound as catalyst | Robert C. Sentman, Gerald P. Coffey | 1985-09-17 |
| 4533775 | Process for the upgrading of lower alcohols to higher molecular weight alcohols | Joseph R. Fox, Frederick A. Pesa | 1985-08-06 |
| 4520190 | Preparation of polyamide from dinitrile, diamine and water with P catalyst | Gerald P. Coffey, Rimvydas L. Cepulis | 1985-05-28 |
| 4490521 | Preparation of spinnable polyamide from dinitrile/diamine/water with metal salt of oxygenated phosphorus compound catalyst | Gerald P. Coffey, Robert C. Sentman | 1984-12-25 |
| 4481354 | Process and composition for lowering the reversible phase change temperature of nylon compositions | Gerald P. Coffey | 1984-11-06 |
| 4459394 | Preparation of nylon polyamide with cobalt salt | Gerald P. Coffey, Rimvydas L. Cepulis | 1984-07-10 |
| 4450310 | Conversion of methane to olefins and hydrogen | Joseph R. Fox, Frederick A. Pesa | 1984-05-22 |
| 4429109 | Polyamides with high glass transition temperatures prepared from N,N'-terephthaloyldi-beta-alanine and a diamine | Gerald P. Coffey | 1984-01-31 |
| 4393192 | Crystalline copolymers prepared from N,N'-terephthaloyldi-beta-alanine and a glycol | Gerald P. Coffey | 1983-07-12 |