Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845289 | Procedure for the removal or reduction of residual trimethylamine odor from its reaction products | Allan W. Smith | 1989-07-04 |
| 4837283 | Monomeric, oligomeric and polymeric sulfonates | — | 1989-06-06 |
| 4600518 | Choline for neutralizing naphthenic acid in fuel and lubricating oils | Glenn L. Roof | 1986-07-15 |
| 4574061 | Alkoxy aryl sulfonate surfactants | — | 1986-03-04 |
| 4555558 | Terpolymers of 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS), N,N-dimethylacrylamide, and acrylonitrile | David M. Giddings, Allen R. Syrinek | 1985-11-26 |
| 4544719 | Water-soluble polymers containing 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS)-acrylamide-N,N-diallylacetamide | David M. Giddings, Allen R. Syrinek | 1985-10-01 |
| 4544722 | Water-soluble terpolymers of 2-acrylamido-2-methylpropane-sulfonic acid, sodium salt (AMPS), n-vinylpyrrolidone and acrylonitrile | David M. Giddings, Allen R. Syrinek | 1985-10-01 |
| 4502965 | Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids | David M. Giddings, Allen R. Syrinek | 1985-03-05 |
| 4502966 | Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids | David M. Giddings, Allen R. Syrinek | 1985-03-05 |
| 4502964 | Terpolymers for use as high temperature fluid loss additive and rheology stabilizer for high pressure, high temperature oil well drilling fluids | David M. Giddings, Allen R. Syrinek | 1985-03-05 |