Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4746450 | Functional fluids and concentrates thickened with associative polyether thickeners containing certain primary amines | Mark A. Frentrup, Stanley T. Hirozawa | 1988-05-24 |
| 4673518 | Synthetic polyether thickeners and thickened aqueous systems containing them | James P. Owens | 1987-06-16 |
| 4640791 | Water-based functional fluids thickened by the interaction of an associative polyether thickener and certain fatty acid amides | James E. Carson | 1987-02-03 |
| 4547303 | Water-based functional fluids thickened by the interaction of an associative polyether thickener and certain quaternary ammonium salts | James E. Carson | 1985-10-15 |
| 4491526 | Thickened, water-based hydraulic fluid with reduced dependence of viscosity on temperature | — | 1985-01-01 |