Issued Patents All Time
Showing 25 most recent of 45 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476143 | Sulfenyl halide polymerization terminators | David F. Lawson, Thomas A. Antkowiak | 2002-11-05 |
| 6451935 | Highly functionalized polymers and a process for making the same | John R. Schreffler, Thomas A. Antkowiak | 2002-09-17 |
| 6349753 | Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall, John R. Schreffler | 2002-02-26 |
| 6274680 | Sulfenyl halide polymerization terminators | David F. Lawson, Thomas A. Antkowiak | 2001-08-14 |
| 6080835 | Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall, John R. Schreffler | 2000-06-27 |
| 6025450 | Amine containing polymers and products therefrom | David F. Lawson, David Saffles, Koichi Morita, Yoichi Ozawa, Ryota Fujio +1 more | 2000-02-15 |
| 5932662 | Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall, John R. Schreffler | 1999-08-03 |
| 5792820 | Alkyllithium compounds containing cyclic amines and their use in polymerization | David F. Lawson, Thomas A. Antkowiak, James E. Hall, John R. Schreffler | 1998-08-11 |
| 5785778 | Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall, John R. Schreffler | 1998-07-28 |
| 5698646 | Process for producing elastomeric compound having reduced hysteresis | Takashi Kitamura, Akira Matsuda | 1997-12-16 |
| 5659056 | Stabilization of siloxane terminated polymers | William L. Hergenrother, David M. Roggeman, Daniel F. Graves | 1997-08-19 |
| 5616704 | Solubilized anionic polymerization initiators | David F. Lawson, David Saffles, H. James Harwood | 1997-04-01 |
| 5610237 | Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall, John R. Schreffler | 1997-03-11 |
| 5610228 | Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall | 1997-03-11 |
| 5574109 | Aminoalkyllithium compounds containing cyclic amines and polymers therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall, John R. Schreffler | 1996-11-12 |
| 5552473 | Functionalized polymer and rubber compositions produced from solubilized anionic polymerization initiators | David F. Lawson, David Saffles | 1996-09-03 |
| 5536801 | Allyl-and xylyl-amine containing elastomers and products having reduced hysteresis | Thomas A. Antkowiak, James E. Hall, David F. Lawson, John R. Schreffler | 1996-07-16 |
| 5523371 | Functionalized polymer of improved hysteresis properties prepared using amino-substituted aryllithium polymerization initiators | David F. Lawson, Thomas A. Antkowiak, John R. Schreffler, Hideki Komatsu | 1996-06-04 |
| 5521309 | Tertiary-amino allyl-or xylyl-lithium initiators and method of preparing same | Thomas A. Antkowiak, James E. Hall, David F. Lawson, John R. Schreffler | 1996-05-28 |
| 5519086 | Low-hysteresis elastomer compositions using amino-substituted aryllithium polymerization initiators | David F. Lawson, Thomas A. Antkowiak, John R. Schreffler, Hideki Komatsu | 1996-05-21 |
| 5502130 | Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall | 1996-03-26 |
| 5502131 | Method of preparing polymer using allyl-and xylyl-amine containing initiators | Thomas A. Antkowiak, James E. Hall, David F. Lawson, John R. Schreffler | 1996-03-26 |
| 5500447 | Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall | 1996-03-19 |
| 5496940 | Alkyllithium compounds containing cyclic amines and their use in polymerization | David F. Lawson, Thomas A. Antkowiak, James E. Hall, John R. Schreffler | 1996-03-05 |
| 5491230 | Anionic polymerization initiators containing adducts of cyclic secondary amines and conjugated dienes, and products therefrom | David F. Lawson, Thomas A. Antkowiak, James E. Hall | 1996-02-13 |