Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835234 | Hydrophobically functionalized cationic polymers | Paul L. Valint, Jr., Donald F. Jacques | 1989-05-30 |
| 4831092 | Micellar process for preparing hydrophobically functionalized cationic polymers (C-2114) | Paul L. Valint, Jr., Donald F. Jacques | 1989-05-16 |
| H577 | Aqueous drag reduction with novel acrylamide-N-alkyl acrylamide | Ralph M. Kowalik, Donald B. Siano, S. Richard Turner | 1989-02-07 |
| 4792593 | Novel acrylamide acrylate copolymers | Donald N. Schulz, Enock Berluche, John J. Maurer | 1988-12-20 |
| 4788247 | Terpolymers of acrylamide, alkyl polyetheroxyacrylate and betaine monomers | Donald N. Schulz, Ilan Duvdevani, Jeff J. Kaladas | 1988-11-29 |
| 4764285 | Oil spill microemulsion dispersants | Max L. Robbins, Gerard P. Canevari | 1988-08-16 |
| 4742135 | Terpolymers of acrylamide, alkylacrylamide and betaine monomers | Donald N. Schulz, Ilan Duvdevani, Enock Berluche | 1988-05-03 |
| 4741835 | Oil-in-water emulsion breaking with hydrophobically functionalized cationic polymers | Donald F. Jacques, Paul L. Valint, Jr. | 1988-05-03 |
| 4734205 | Hydrophobically associating polymers for oily water clean-up | Donald F. Jacques | 1988-03-29 |
| 4730028 | Process for preparing hydrophobically associating terpolymers containing sulfonate functionality | Paul L. Valint, Jr. | 1988-03-08 |
| 4709759 | Enhanced oil recovery with hydrophobically associating polymers containing N-vinyl-pyrrolidone functionality | Salvatore J. Pace, Donald N. Schulz | 1987-12-01 |
| 4702319 | Enhanced oil recovery with hydrophobically associating polymers containing sulfonate functionality | Paul L. Valint, Jr., Salvatore J. Pace | 1987-10-27 |
| 4694046 | Hydrophobically associating terpolymers of acrylamide, salts of acrylic acid and alkyl acrylamide | Donald B. Siano, S. Richard Turner | 1987-09-15 |
| 4694058 | High molecular weight terpolymers of acrylamide, acrylic acid salts and alkylacrylamide | Donald B. Siano | 1987-09-15 |
| 4684473 | Lubricant oil composition with improved friction reducing properties | Darrell W. Brownawell, Antonio Gutierrez, Max L. Robbins, Harold Shaub, Peter L. Steyn | 1987-08-04 |
| 4673716 | High molecular weight terpolymers of acrylamide, acrylic acid salts and alkylacrylamide | Donald B. Siano | 1987-06-16 |
| 4663408 | Tetrapolymers of N-vinyl pyrrolidone/acrylamide/salt of acrylic acid/N-alkyl acrylamide | Donald N. Schulz, Enock Berluche, John J. Maurer | 1987-05-05 |
| 4650848 | Terpolymers of acrylamide, alkylacrylamide and betaine monomers | Donald N. Schulz, Ilan Duvdevani, Enock Berluche | 1987-03-17 |
| 4612332 | Novel polymeric foams and foaming compositions | Hartley H. Downs, Donald B. Siano, Salvatore J. Pace | 1986-09-16 |
| 4599250 | Freeze conditioning agent for particulate solids | Virgil H. Cargle, Max L. Robbins | 1986-07-08 |
| 4585810 | Drag reduction agent | Ralph M. Kowalik, Paul L. Valint, Jr. | 1986-04-29 |
| 4579926 | Process for the formation of novel acrylamide acrylate copolymers | John J. Maurer, Donald N. Schulz | 1986-04-01 |
| 4548735 | Viscosity enhancement of block polymer solutions with oil | Paul L. Valint, Jr. | 1985-10-22 |
| 4546784 | Drag reduction agent | Donald N. Schulz, Ralph M. Kowalik, John J. Maurer | 1985-10-15 |
| 4528348 | Micellar process for the production of acrylamide-alkyl acrylamide copolymers | S. Richard Turner, Donald B. Siano | 1985-07-09 |