Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33008 | Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein | Charles G. Ruffner | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE33008 | Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein | Charles G. Ruffner | 1989-08-01 |