Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865129 | High temperature profile modification agents and methods for using same | — | 1989-09-12 |
| 4861499 | Water-dispersible hydrophobic thickening agent | Roger E. Neff | 1989-08-29 |
| 4825949 | High temperature profile modification agents and methods for using same | Albert G. Robustelli, James V. Cicchiello | 1989-05-02 |