Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6579929 | Stabilized silica and method of making and using the same | Timothy L. Tartamella, Sanjeev Naik, William L. Hergenrother, Georg G. A. Bohm | 2003-06-17 |
| 6525118 | Processability of silica-filled rubber stocks with reduced hysteresis | William L. Hergenrother, James Oziomek | 2003-02-25 |
| 6444734 | Silica-filled tire tread stocks having reduced hysteresis | William L. Hergenrother, James Oziomek | 2002-09-03 |
| 6384117 | Processability of silica-filled rubber stocks | William L. Hergenrother, Ashley S. Hilton, James Oziomek | 2002-05-07 |
| 6384150 | Anionic polymerization initiators for preparing macro-branched diene rubbers | William L. Hergenrother, Theodore J. Knutson, Georg G. A. Bohm | 2002-05-07 |
| 6384118 | Processability of silica-filled rubber stocks | William L. Hergenrother, Ashley S. Hilton | 2002-05-07 |
| 6369138 | Processability of silica-filled rubber stocks with reduced hysteresis | William L. Hergenrother | 2002-04-09 |
| 6359087 | Gas phase anionic polymerization of diene elastomers | William L. Hergenrother, Theodore J. Knutson, Georg G. A. Bohm | 2002-03-19 |
| 6348531 | Processability of silica-filled rubber stocks | William L. Hergenrother, Ashley S. Hilton | 2002-02-19 |
| 6342552 | Processability of silica-filled rubber stocks | William L. Hergenrother, Ashley S. Hilton, James Oziomek | 2002-01-29 |
| 6271314 | Anionic polymerization initiators for preparing macro-branched diene rubbers | William L. Hergenrother, Theodore J. Knutson, Georg G. A. Bohm | 2001-08-07 |
| 6258886 | Gas phase anionic polymerization of diene elastomers | William L. Hergenrother, Theodore J. Knutson, Georg G. A. Bohm | 2001-07-10 |
| 6255406 | Gas phase anionic polymerization of diene elastomers | William L. Hergenrother, Theodore J. Knutson, Georg G. A. Bohm | 2001-07-03 |
| 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 |
| 6221943 | Processability of silica-filled rubber stocks | William L. Hergenrother, Ashley S. Hilton | 2001-04-24 |
| 6180710 | Addition of salts to improve the interaction of silica with rubber | William L. Hergenrother, James Oziomek | 2001-01-30 |
| 6136914 | Anionic polymerization initiators for preparing macro-branched diene rubbers | William L. Hergenrother, Theodore J. Knutson, Georg G. A. Bohm | 2000-10-24 |
| 6071847 | Gas phase anionic polymerization of diene elastomers | William L. Hergenrother, Theodore J. Knutson, Georg G. A. Bohm | 2000-06-06 |
| 5872176 | Addition of salts to improve the interaction of silica with rubber | William L. Hergenrother, James Oziomek | 1999-02-16 |
| 5599868 | Process for compounding filler materials and polymers and products therefrom | Georg G. A. Bohm | 1997-02-04 |
| 4829117 | Stabilization of guayule-type rubbers | William W. Schloman, Jr., Frank J. Clark, Robert T. Beinor | 1989-05-09 |
| 4681929 | Use of rubber solvent-resin solvent and miscella mixtures for extraction-expression of rubber and resins from guayule shrub | Steven L. Fenske, David J. Serbin, Shrikant R. Malani, Frank J. Clark, Joanne L. Beattie | 1987-07-21 |
| 4665152 | Curable poly(aryloxyphosphazene) copolymers | Joseph A. Dembek, Jr., Vispi R. Sagar | 1987-05-12 |
| 4623713 | Solvent fractionation of guayule rubber | Robert T. Beinor | 1986-11-18 |
| 4609724 | Process for preparing and purifying alkoxyphosphazene polymer | Robert Elefritz, Charles R. Johnson | 1986-09-02 |