Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6559203 | Foundry binder systems containing an alkyl resorcinol and their use | David A. Hutchings, Ken K. Chang, Thomas E. Dando | 2003-05-06 |
| 5908914 | Benzylic ether phenolic resole resins and their uses | Thomas E. Dando, William R. Dunnavant, Robert B. Fechter | 1999-06-01 |
| 5756640 | Process for preparing benzylic ether phenolic resole resins | Thomas E. Dando, William R. Dunnavant, Robert B. Fechter | 1998-05-26 |
| 5739255 | Benzylic ether phenolic resole resins | Thomas E. Dando, William R. Dunnavant, Robert B. Fechter | 1998-04-14 |
| 5582232 | Inorganic foundry binder systems and their uses | Ruth A. Bambauer, Steven C. Akey | 1996-12-10 |
| 5474606 | Heat curable foundry binder systems | Helena Twardowska | 1995-12-12 |
| 5417751 | Heat cured foundry binders and their use | Helena Twardowska | 1995-05-23 |
| 5390727 | Inorganic poundry binder systems and their uses | Yuily M. Yunovich, Ruth A. Dudenhoefer | 1995-02-21 |
| 5382289 | Inorganic foundry binder systems and their uses | Ruth A. Bambauer, Steven C. Akey | 1995-01-17 |
| 5279665 | Inorganic foundry binder systems and their uses | Yuily M. Yunovich, Ruth A. Dudenhoefer | 1994-01-18 |
| 4884620 | Hot box process for preparing foundry shapes with certain aqueous phenolic resin solutions | Satish S. Jhaveri, William R. Dunnavant | 1989-12-05 |
| 4847308 | Composition, method for preparing and use thereof | Bruce A. Gruber, William R. Dunnayant | 1989-07-11 |
| 4789693 | Heat curable foundry mixes and binder compositions | Satish S. Jhaveri, William R. Dunnavant | 1988-12-06 |
| 4780489 | Modifiers for aqueous basic solutions of phenolic resole resins | William R. Dunnavant, Robert B. Fechter, Gary R. Hysell, Young D. Kim | 1988-10-25 |
| 4780526 | Composition, method for preparing and use thereof | Bruce A. Gruber, William R. Dunnayant | 1988-10-25 |
| 4683252 | Phenolic resin-polyisocyanate binder systems containing an organohalophosphate and use thereof | William R. Dunnavant, Robert B. Fechter, John J. Gardikes | 1987-07-28 |
| 4636537 | Composition, method for preparing and use thereof | Bruce A. Gruber, William R. Dunnayant | 1987-01-13 |
| 4602069 | Phenolic resin-polyisocyanate binder systems containing a phosphorus based acid | William R. Dunnavant, John J. Gardikes | 1986-07-22 |
| 4540724 | Phenolic resin-polyisocyanate binder systems containing a phosphorus halide and use thereof | William R. Dunnavant, John J. Gardikes | 1985-09-10 |
| 4529771 | Composition, method for preparing and use thereof | Bruce A. Gruber, Diether Koch, William R. Dunnavant | 1985-07-16 |
| 4526219 | Process of forming foundry cores and molds utilizing binder curable by free radical polymerization | William R. Dunnavant, Grant O. Sedgwick | 1985-07-02 |
| 4483961 | Polymeric cyclopentadiene derivatives, method for preparing and use thereof | Diether Koch, Bruce A. Gruber, William R. Dunnavant | 1984-11-20 |
| 4482653 | Cyclopentadiene derivatives, method for preparing, and use thereof | Bruce A. Gruber, Diether Koch, William R. Dunnavant | 1984-11-13 |
| 4452299 | Process for casting metals | Bruce A. Gruber, William R. Dunnavant | 1984-06-05 |
| 4412088 | Cyclopentadiene derivatives, method for preparing, and use thereof | Bruce A. Gruber, Diether Koch, William R. Dunnavant | 1983-10-25 |