Issued Patents All Time
Showing 26–50 of 60 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4705898 | Preparation of disecondary amines from diolefins and primary amines | John F. Knifton | 1987-11-10 |
| 4675441 | Preparation of N-substituted acrylamides | Kathy B. Sellstrom | 1987-06-23 |
| 4657984 | Process for formation of dialkylaminomethylated internal olefin polymers | John F. Knifton | 1987-04-14 |
| 4613673 | Catalysts preparation thereof and preparation of N-substituted acrylamides therewith | Kathy B. Sellstrom | 1986-09-23 |
| 4606837 | Water-glycol fluids made from polyoxyalkylene thickeners | Edward C. Y. Nieh, Robert A. Grigsby, Jr., David R. McCoy | 1986-08-19 |
| 4592853 | Dicyclopentadiene dicarboxylic acid salts as corrosion inhibitors | Jerome W. Darden | 1986-06-03 |
| 4565889 | Process for the production of N-(3-dimethylaminopropyl)methacrylamide | David R. Livingston, Edward C. Y. Nieh | 1986-01-21 |
| 4552957 | Method of separating primary amines from tertiary amines using non-polar hydrocarbon solvent with or without polyhydroxylic compound | — | 1985-11-12 |
| 4552958 | Method of separating primary amines from tertiary amines using non-polar hydrocarbon solvent and water | Simon P. Burns, John M. Walton | 1985-11-12 |
| 4548726 | Water base hydraulic fluid | Betty J. Morris-Sherwood, Edward C. Brink, Jr., David R. McCoy | 1985-10-22 |
| 4549017 | Process for the production of N-substituted (meth)acrylamides from (meth)acrylates and amines over a metal oxide or alkoxide catalyst | John F. Knifton, Edward C. Y. Nieh, Kathy B. Sellstrom | 1985-10-22 |
| 4547304 | Nonfuming solder cleansing and fusing fluids | Gordon H. Neville, Edward C. Y. Nieh | 1985-10-15 |
| 4499254 | Reaction injection molded elastomers containing high molecular weight organic acids | Richard J. G. Dominguez, Carter G. Naylor | 1985-02-12 |
| 4492801 | Production of N-substituted (meth)acrylamides from (meth)acrylates and amines over a metal alkoxide catalyst | Kathy B. Sellstrom, Edward C. Y. Nieh, David R. Livingston | 1985-01-08 |
| 4483997 | Olefin epoxidation with inorganic metal phosphate enhanced catalyst | Robert M. Gipson | 1984-11-20 |
| 4457371 | Method for demulsification of bitumen emulsions | David R. McCoy, Robert M. Gipson | 1984-07-03 |
| 4444971 | Acrylic and methacrylic quaternary chloromethyl ammonium chloride cationic monomers and polymers thereof | — | 1984-04-24 |
| 4405015 | Demulsification of bitumen emulsions | David R. McCoy, Robert M. Gipson | 1983-09-20 |
| 4404096 | Demulsification of bitumen emulsions using ionenes | David R. McCoy | 1983-09-13 |
| 4387017 | Demulsification of bitumen emulsions using polymers of diquaternary ammonium monomers containing hydroxyl groups | David R. McCoy | 1983-06-07 |
| 4375558 | Purification of methacrylamidopropyltrimethyl-ammonium chloride with nonionic organic resins | Edward C. Y. Nieh | 1983-03-01 |
| 4374259 | Process for converting substituted ethylene carbonates into substituted ethylene oxides using tin catalysts | — | 1983-02-15 |
| 4371704 | Substituted alkylene oxides from substituted alkylene carbonates | Robert M. Gipson | 1983-02-01 |
| 4359540 | Method for making rim elastomers using a catalyst system which is a polymer containing tertiary amine moieties | Richard J. G. Dominquez | 1982-11-16 |
| 4348488 | Polyurethanes using novel N-substituted perhydrodioxazepines as catalysts | Robert L. Zimmerman | 1982-09-07 |