Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6506859 | Polymerization using late transition metal catalyst complexes formed in situ | Abhimanyu O. Patil, Robert T. Stibrany, Stephen Zushma, Donald N. Schulz | 2003-01-14 |
| 6444784 | Wax crystal modifiers (LAW657) | Abhimanyu O. Patil, Stephen Zushma, Manika Varma-Nair | 2002-09-03 |
| 6107531 | Method for inhibiting hydrate formation | Karla S. Colle, Christine A. Costello, Larry D. Talley, Russell H. Oelfke | 2000-08-22 |
| 6028233 | Method for inhibiting hydrate formation | Karla S. Colle, Christine A. Costello, Russell H. Oelfke, Larry D. Talley | 2000-02-22 |
| 5936040 | Method for inhibiting hydrate formation using maleimide copolymers | Christine A. Costello, Russell H. Oelfke, Larry D. Talley | 1999-08-10 |
| 5744665 | Maleimide copolymers and method for inhibiting hydrate formation | Christine A. Costello, Russell H. Oelfke, Larry D. Talley | 1998-04-28 |
| 4882405 | Terpolymers of acrylamide, alkylacrylamide and betaine monomers | Donald N. Schulz, Ilan Duvdevani, Jan Bock | 1989-11-21 |
| 4792593 | Novel acrylamide acrylate copolymers | Donald N. Schulz, John J. Maurer, Jan Bock | 1988-12-20 |
| 4742135 | Terpolymers of acrylamide, alkylacrylamide and betaine monomers | Donald N. Schulz, Ilan Duvdevani, Jan Bock | 1988-05-03 |
| 4663408 | Tetrapolymers of N-vinyl pyrrolidone/acrylamide/salt of acrylic acid/N-alkyl acrylamide | Donald N. Schulz, John J. Maurer, Jan Bock | 1987-05-05 |
| 4650848 | Terpolymers of acrylamide, alkylacrylamide and betaine monomers | Donald N. Schulz, Ilan Duvdevani, Jan Bock | 1987-03-17 |