Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5141672 | Quaternary ammonium fluorescent whitening agent, products thereof | — | 1992-08-25 |
| 5043370 | Polyalkylene imide of high brightness and retention characteristics and low toxicity and method of increasing paper whiteness | — | 1991-08-27 |
| 5026507 | Fluorescent whitening agents, products comprising the agent and method of use thereof | David Lo | 1991-06-25 |
| 4963625 | Polyacrylamide whitener of high brightness and retention characteristics and low toxicity and method of increasing paper whiteness | — | 1990-10-16 |
| 4954566 | Preparation of polymers with pendant organic moieties bound thereto via ester and/or amide bridges | — | 1990-09-04 |
| 4878999 | Non-alum sizing | — | 1989-11-07 |
| 4544726 | Emulsion polymerization emulsifier | John A. Alford, Carlton G. Force | 1985-10-01 |
| 4517347 | Method for copolymerization of styrene and acrylonitrile | Carlton G. Force | 1985-05-14 |
| 4505754 | Process for foam lowering and improvement of alum sensitivity of dispersed size | — | 1985-03-19 |
| 4461646 | Process for foam lowering in dispersed rosin size | — | 1984-07-24 |