Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696194 | Process for the preparations of aqueous dispersion polymers | Edward J. Connors, Michelle L. Cotter | 1997-12-09 |
| 5693216 | Method of and composition for breaking oil and water emulsions in crude oil processing operations | Paul R. Hart, Jen-Chi Chen, Thai H. Duong | 1997-12-02 |
| 5684109 | Composition comprising a tannin-containing copolymer | Jen-Chi Chen, Gerald C. Walterick, Jr. | 1997-11-04 |
| 5643462 | Composition and method for water clarification | Jen-Chi Chen, Gerald C. Walterick, Jr., Stephen R. Vasconcellos | 1997-07-01 |
| 5614602 | Process for the preparation of aqueous dispersion polymers | Edward J. Connors, Michelle L. Cotter | 1997-03-25 |