Issued Patents All Time
Showing 25 most recent of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6733870 | Extrusion coating process for making protective and decorative films | Howard H. Enlow, John E. Roys, Keith L. Truog, Frederick Young | 2004-05-11 |
| 6336988 | Extrusion coating process for making protective and decorative films | Howard H. Enlow, John E. Roys, Keith L. Truog, Frederick Young | 2002-01-08 |
| 6296732 | Extrusion process for protective coatings for outdoor siding panels and the like | Howard H. Enlow, John E. Roys, Keith L. Truog, Frederick Young | 2001-10-02 |
| 5340875 | Blends of polybutylene terephthalate resins and methacrylic acid-containing styrenic copolymers | Lau S. Yang | 1994-08-23 |
| 5153263 | Plasticized polyetherimide ester blends | Ping Y. Liu | 1992-10-06 |
| 4931502 | Ductile, blow moldable composition containing a styrene-maleimide copolymer bearing pendant carboxyl or hydroxyl groups | — | 1990-06-05 |
| 4912144 | Ductile, blow-moldable composition containing a styrene-methylmethacrylate copolymer having pendant carboxy ester groups | — | 1990-03-27 |
| 4891405 | Moldable styrene-maleic anhydride/polybutylene terephthalate composition | — | 1990-01-02 |
| 4861862 | Polyetherimide amide from polyoxyalkylene diimide dicarboxylic acid | John A. Tyrell | 1989-08-29 |
| 4798858 | Flame retardant polyetherimide ester elastomers | Nan-I Liu, John A. Tyrell | 1989-01-17 |
| 4795790 | Thermoplastic polyetherimide ester polymers exhibiting improved flexibility | John A. Tyrell | 1989-01-03 |
| 4760112 | Thermoplastic polyetherimide ester polymers exhibiting high flexural modulus | John A. Tyrell | 1988-07-26 |
| 4740563 | Crosslinked polyetherimide ester polymers | John A. Tyrell | 1988-04-26 |
| 4740564 | Thermoplastic polyetherimide esters | John A. Tyrell | 1988-04-26 |
| 4740565 | Thermoplastic polyetherimide ester polymers exhibiting improved flexular properties | John A. Tyrell | 1988-04-26 |
| 4732947 | Block polyetherimide ester polymers | John A. Tyrell | 1988-03-22 |
| 4732948 | Solid phase polycondensation process for the production of high molecular weight polyetherimide ester polymers | John A. Tyrell | 1988-03-22 |
| 4714754 | Polyetherimide esters | John A. Tyrell | 1987-12-22 |
| 4714753 | Thermoplastic polyetherimide ester elastomers exhibiting improved hydrolytic stability | John A. Tyrell | 1987-12-22 |
| 4714755 | Thermoplastic polyetherimide ester elastomers exhibiting improved thermal properties | John A. Tyrell | 1987-12-22 |
| 4711947 | Translucent polyetherimide ester compositions | John A. Tyrell | 1987-12-08 |
| 4711948 | Polyetherimide esters exhibiting improved tensile elongation | John A. Tyrell | 1987-12-08 |
| 4711933 | Polyetherimide esters | John A. Tyrell | 1987-12-08 |
| 4661582 | Novel high molecular weight diimide diacids and modified thermoplastic copolyether ester elastomers prepared therefrom | — | 1987-04-28 |
| 4659765 | Elastomeric compositions | Nan-I Liu | 1987-04-21 |