Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7671139 | Functionalized polymers and tires made therefrom | James E. Hall, Thomas A. Antkowiak | 2010-03-02 |
| 7465768 | Method to reduce coupling during termination with functional end-groups | James E. Hall | 2008-12-16 |
| 7279527 | Method of converting anionic living end to protected free radical living end and applications thereof | James Harwood, David F. Lawson, James E. Hall | 2007-10-09 |
| 7132503 | Removing gelled unsaturated elastomers from polymerization equipment associated with their production | James H. Pawlow, David M. Roggeman, Daniel F. Graves, William L. Hergenrother | 2006-11-07 |
| 6790889 | Processability of silica-filled rubber stocks | William L. Hergenrother, Ashley S. Hilton, William M. Cole | 2004-09-14 |
| 6723888 | Humidification of hydrocarbon mixtures for use in polymer synthesis | David M. Roggeman, Timothy L. Tartamella | 2004-04-20 |
| 6525118 | Processability of silica-filled rubber stocks with reduced hysteresis | William L. Hergenrother, William M. Cole | 2003-02-25 |
| 6444734 | Silica-filled tire tread stocks having reduced hysteresis | William L. Hergenrother, William M. Cole | 2002-09-03 |
| 6423781 | Elastomers having a reduced hysteresis via interaction of polymer with silica surfaces | William L. Hergenrother | 2002-07-23 |
| 6384117 | Processability of silica-filled rubber stocks | William L. Hergenrother, Ashley S. Hilton, William M. Cole | 2002-05-07 |
| 6342552 | Processability of silica-filled rubber stocks | William L. Hergenrother, Ashley S. Hilton, William M. Cole | 2002-01-29 |
| 6252007 | Elastomers having a reduced hysteresis via interaction of polymer with silica surfaces | William L. Hergenrother | 2001-06-26 |
| 6228908 | Diene polymers and copolymers incorporating partial coupling and terminals formed from hydrocarboxysilane compounds | Hideo Takeichi, Daniel F. Graves, Sunil B. Sarkar, David F. Lawson, William L. Hergenrother +1 more | 2001-05-08 |
| 6180710 | Addition of salts to improve the interaction of silica with rubber | William L. Hergenrother, William M. Cole | 2001-01-30 |
| 5955553 | Molecular weight regulation of cis-1,4-polybutadiene using carboxylates | Thomas A. Antkowiak, Tristram W. Bethea | 1999-09-21 |
| 5872176 | Addition of salts to improve the interaction of silica with rubber | William L. Hergenrother, William M. Cole | 1999-02-16 |
| 5866650 | Composition of cyclic amine-initiated elastomers and amorphous silica and process for the production thereof | David F. Lawson, Hideo Takeichi, William L. Hergenrother, Thomas J. Lynch | 1999-02-02 |
| 5446102 | Olefin metathesis catalysts for degelling polymerization reactors | William L. Hergenrother, David R. Hamm, Thomas Bouton | 1995-08-29 |
| 5317057 | (Halomethyl vinyl arene)-modified elastomers and compositions containing them having reduced hysteresis properties | James E. Hall, William L. Hergenrother | 1994-05-31 |
| 5244966 | 1,3,2-dioxastannolane-modified elastomers and compositions containing them having reduced hysteresis properties | William L. Hergenrother | 1993-09-14 |
| 4814411 | Increased reactivity of isocyanate terminated polyether prepolymers with metal halide salt complexes of methylenedianiline | Tristram W. Bethea, Joseph H. Tazewell, Douglas Hillshafer, Louis W. Meyer | 1989-03-21 |
| 4806322 | Process for the production of linear polyphosphazenes | William L. Hergenrother | 1989-02-21 |
| 4465535 | Adhering cured polymers or prepolymers to high natural rubber content elastomer | John W. Fieldhouse, Russell W. Koch | 1984-08-14 |
| 4390673 | Process for producing substantially gel-free butadiene-isobutylene copolymers utilizing a BF.sub.3 /ROH catalyst system | Kang I. Lee | 1983-06-28 |