Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4852629 | Cold-box process for forming foundry shapes which utilizes certain carboxylic acids as bench life extenders | Robert B. Fechter | 1989-08-01 |
| 4760101 | Polyurethane-forming binder compositions containing certain carboxylic acids as bench life extenders | Robert B. Fechter | 1988-07-26 |
| 4683252 | Phenolic resin-polyisocyanate binder systems containing an organohalophosphate and use thereof | William R. Dunnavant, Robert B. Fechter, Heimo J. Langer | 1987-07-28 |
| 4602069 | Phenolic resin-polyisocyanate binder systems containing a phosphorus based acid | William R. Dunnavant, Heimo J. Langer | 1986-07-22 |
| 4590229 | Phenolic resin-polyisocyanate binder systems | — | 1986-05-20 |
| 4540724 | Phenolic resin-polyisocyanate binder systems containing a phosphorus halide and use thereof | William R. Dunnavant, Heimo J. Langer | 1985-09-10 |
| 4371648 | Composition containing furfuryl alcohol and use thereof in foundry binders | Young D. Kim | 1983-02-01 |
| 4273179 | Phenolic resin-polyisocyanate binder systems containing dibasic ester solvents | — | 1981-06-16 |
| 4268425 | Phenolic resin-polyisocyanate binder systems containing a drying oil and use thereof | — | 1981-05-19 |
| 4209056 | Aluminum phosphate binder composition cured with ammonia and amines | Richard H. Toeniskoetter | 1980-06-24 |