Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5824767 | Poly(arylene sulfide) compositions having improved processability | Andrew Auerbach, Barrie L. Davies | 1998-10-20 |
| 5731401 | Process for the preparation of thermotropic aromatic polyesters directly from dialkyl aromatic esters | Matthew J. Bylicki | 1998-03-24 |
| 5393848 | Process for forming improved liquid crystalline polymer blends | Larry F. Charbonneau, H. Clay Linstid, III, Linda C. Sawyer, James P. Shepherd | 1995-02-28 |
| 5306800 | Pseudo network condensation polymers | Larry F. Charbonneau, Wilfried Hatke | 1994-04-26 |
| 5143947 | Radiation curable composition based on 4-hydroxystyrene copolymers | — | 1992-09-01 |
| 5140093 | Melt-processable thermotropic polyesters having fluorine containing linking groups | Larry F. Charbonneau, Gordon Calundann, Tai-Shung Chung | 1992-08-18 |
| 5120793 | Process for preparing ether derivatives of polymers of p-hydroxystyrene | — | 1992-06-09 |
| 5109101 | Process for making polyarylate compositions having improved properties | Gordon Calundann | 1992-04-28 |
| 5023314 | Novel polyarylate compositions having improved properties | Gordon Calundann | 1991-06-11 |
| 5004762 | Radiation curable compositions based on 4-acetoxystyrene and 4-hydroxystyrene homopolymers | — | 1991-04-02 |
| 5001215 | Aromatic polyester from 1,3-bis(p-carboxyphenoxy)propane | — | 1991-03-19 |
| 4997892 | Sulfalkylation of hydroxyethylated polybenzimidazole polymers | Michael J. Sansone, Charles Forbes, Mark S. Kwiatek | 1991-03-05 |
| 4942026 | Novel synthesis of sodipotassic copper tube silicates | Cheng K. Saw, Malcolm E. Kenny, Bruce A. Harrington | 1990-07-17 |
| 4937319 | Process for producing aromatic polyesters | John R. Costanza | 1990-06-26 |
| 4929537 | Photoresist compositions based on hydroxystyrene copolymers | Palaiyur S. Kalyanaraman | 1990-05-29 |
| 4898916 | Process for the preparation of poly(vinylphenol) from poly(acetoxystyrene) by acid catalyzed transesterification | — | 1990-02-06 |
| 4877843 | Selective hydrolysis of copolymers of para-acetoxy styrene and allyl esters of ethylenically unsaturated acids | — | 1989-10-31 |
| 4869994 | Photoresist compositions based on hydroxystyrene copolymers | Palaiyur S. Kalyanaraman | 1989-09-26 |
| 4868265 | Polyanhydride process from bis(trimethylsilyl) ester of dicarboxylic acid | — | 1989-09-19 |
| 4868274 | Polyanhydride from carboxy aryloxy alkanoic acid | Gordon Calundann | 1989-09-19 |
| 4857601 | Selective hydrolysis of copolymers of para-acetoxy styrene and dialkyl muconates or alkyl sorbates | — | 1989-08-15 |
| 4826890 | Radiation curable copolymers of p-acetoxystyrene and dialkyl muconates | — | 1989-05-02 |
| 4826891 | Radiation curable copolymers of p-acetoxystyrene with allyl esters of ethylenically unsaturated acids or alkadienes | — | 1989-05-02 |
| 4824758 | Photoresist compositions based on acetoxystyrene copolymers | Palaiyur S. Kalyanaraman | 1989-04-25 |
| 4814399 | Sulfoalkylation of polybenzimidazole | Michael J. Sansone, Robert W. Stackman | 1989-03-21 |