Issued Patents All Time
Showing 26–43 of 43 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5109102 | Preparation of arylene sulfide ketone polymers | — | 1992-04-28 |
| 5091509 | Recovery of poly(arylene sulfide ketone) and poly(arylene sulfide diketone) resins | Afif M. Nesheiwat | 1992-02-25 |
| 5089596 | Production of aromatic sulfide/ketone polymers with separation agent | Michael Duane Cliffton, Jerry O. Reed, Rex L. Bobsein | 1992-02-18 |
| 5071944 | Production of aromatic sulfide/ketone polymers | Michael Duane Cliffton | 1991-12-10 |
| 5066774 | Method for the production of light colored aromatic sulfide/sulfone polymers with 1,3-dialkyl-2-imidazolidinone diluent | Rex L. Bobsein, Harold D. Yelton | 1991-11-19 |
| 5064936 | Process for preparing high extrusion rate arylene sulfide polymers | — | 1991-11-12 |
| 5045367 | Reinforced plastic comprising fibrous reinforcement treated with poly(arylene sulfide sulfone) polymer containing ether groups | Rex L. Bobsein, Howard F. Efner, Mark L. Stone | 1991-09-03 |
| 5024876 | Reinforced plastic comprising poly(arylene sulfide sulfone) polymer containing ether groups matrix | Rex L. Bobsein, Mark L. Stone | 1991-06-18 |
| 5003033 | Process for preparing branched poly(arylene sulfide ketone) | Lacey E. Scoggins, Michael Duane Cliffton | 1991-03-26 |
| 4988796 | Process for preparing poly(arylene sulfide sulfone) | Michael Duane Cliffton | 1991-01-29 |
| 4892929 | Melt stabilization of poly arylene sulfide ketone | Roger G. Gaughan, Michael Duane Cliffton | 1990-01-09 |
| 4877850 | Buffer wash of polyarylene sulfides | Afif M. Nesheiwat | 1989-10-31 |
| 4820800 | Arylene sulfide polymers | Guy Senatore | 1989-04-11 |
| 4814224 | Poly(arylene sulfide ketone) composites | Roger G. Gaughan, Michael Duane Cliffton | 1989-03-21 |
| 4812552 | Process for preparing poly(arylene sulfide ketone) with water addition | Michael Duane Cliffton | 1989-03-14 |
| 4808694 | Poly(arylene sulfide sulfone) polymer containing ether groups | James T. Edmonds, Jr., Rex L. Bobsein, Jim J. Straw | 1989-02-28 |
| 4792481 | Reinforced plastic | James E. O'Connor, William H. Beever | 1988-12-20 |
| 4544735 | Preparation of poly(arylene sulfide) from halothiophenol and alkaline metal hydroxide | Michael Duane Cliffton, Timothy P. Murtha | 1985-10-01 |