Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8487011 | Sulfided fischer-tropsch catalyst | Joe D. Allison | 2013-07-16 |
| 6462107 | Photoimageable compositions and films for printed wiring board manufacture | David P. Sinclair, John T. Hoback, Terre L. VanKirk, Donald Rubis, David A. Wargowski +2 more | 2002-10-08 |
| 5649045 | Polymide optical waveguide structures | David A. Wargowski | 1997-07-15 |
| 5304626 | Polyimide copolymers containing 3,3',4,4'-tetracarboxybiphenyl dianhydride (BPDA) moieties | Marvin J. Burgess, Herbert Neuhaus | 1994-04-19 |
| 5292445 | Wet-etch process and composition | Allyson Beuhler, Cynthia A. Navar | 1994-03-08 |
| 5268193 | Low dielectric constant, low moisture uptake polyimides and copolyimides for interlevel dielectrics and substrate coatings | Allyson Beuhler, Neal R. Nowicki | 1993-12-07 |
| 5206091 | Low dielectric constant, low moisture uptake polyimides and copolyimides for interlevel dielectrics and substrate coatings | Allyson Beuhler, Neal R. Nowicki | 1993-04-27 |
| 5194633 | Preparation of 1,1,1,3,3,3-hexafluoro-2,2-Di(3,4-dicarboxyphenyl)propane anhydride | Walter Partenheimer, Gayle G. Chany | 1993-03-16 |
| 5183534 | Wet-etch process and composition | Allyson Beuhler, Cynthia A. Navar | 1993-02-02 |
| 5137751 | Process for making thick multilayers of polyimide | Marvin J. Burgess, Herbert Neuhaus, Robert T. Roginski, David A. Wargowski | 1992-08-11 |
| 5089593 | Polyimide containing 4,4'-bis(4-amino-2-trifluoromethylphenoxy)-biphenyl moieties | Neal R. Nowicki | 1992-02-18 |
| 5003037 | Polyamide, polyimide, and polyamide-imide polymers and copolymers using 3, 5-diamino-t-butylbenzene | David J. Fenoglio, Edwin F. Morello, Neal B. Nowicki | 1991-03-26 |
| 4992527 | Polyamide, polyimide, and polyamide-imide polymers of diamino-t-butylbenzene | David J. Fenoglio, John L. Melquist, Edwin F. Morello, Neal R. Nowicki | 1991-02-12 |
| 4975521 | Polyamide, polyimide, and polyamide-imide polymers and copolymers using 3,5-diamino-t-butylbenzene | Neal R. Nowicki | 1990-12-04 |
| 4973659 | Polyamide from diamino-t-butylbenzene | David J. Fenoglio, John L. Melquist, Edwin F. Morello, Neal R. Nowicki | 1990-11-27 |
| 4973660 | Polyamide of diamino-t-butyltoluene | David J. Fenoglio, John L. Melquist | 1990-11-27 |
| 4968780 | Polyamide, polyimide, and polyamide-imide polymers of diamino-t-butylbenzene | David J. Fenoglio, John L. Melquist, Edwin F. Morello, Neal R. Nowicki | 1990-11-06 |
| 4963648 | Polyamide, polyimide, and polyamide-imide polymers of diamino-t-butyltoluene | David J. Fenoglio, John L. Melquist | 1990-10-16 |
| 4946934 | Polyamide from 3,5-diamino-t-butylbenzene | David J. Fenoglio, Edwin F. Morello, Neal R. Nowicki | 1990-08-07 |
| 4876329 | Polyimide polymers and copolymers using 3,5-diaminobenzotrifluoride | Weilong L. Chiang, Neal R. Nowicki | 1989-10-24 |
| 4855503 | Preparation of P,P'-oxybis(aniline) | Gary P. Hagen | 1989-08-08 |