Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5787686 | Amphipathic graft copolymer pesticide formulation compositions and methods of their use | Craig Bott, Ritchie A. Wessling | 1998-08-04 |
| 5753248 | Amphipathic graft copolymer pesticide formulation compositions and methods of their use | Craig Bott, Ritchie A. Wessling | 1998-05-19 |
| 5753766 | Amphipathic graft copolymers and copolymer compositions and methods of making | Craig Bott, Thomas E. Fisk | 1998-05-19 |
| 5693716 | Amphipathic graft copolymers and copolymer compositions and methods of making | Craig Bott, Thomas E. Fisk | 1997-12-02 |
| 5508035 | Stable concentrates and emulsions of water-insoluble organic pesticides | Ritchie A. Wessling, Dennis G. Wujek | 1996-04-16 |
| 5188824 | Stable concentrates and emulsions of water-insoluble organic pesticides | Ritchie A. Wessling, Dennis G. Wujek | 1993-02-23 |
| 5089259 | Stable concentrates and emulsions of water-insoluble organic pesticides | Ritchie A. Wessling, Dennis G. Wujek | 1992-02-18 |
| 5079294 | Rubber-modified cyanate ester resins and polytriazines derived therefrom | Philip C. Yang | 1992-01-07 |
| 4941972 | Chlorine-stable membrane compositions | Jee I. Kau, Donald L. Schmidt, Ritchie A. Wessling | 1990-07-17 |
| 4894414 | Rubber-modified cyanate ester resins and polytriazines derived therefrom | Philip C. Yang | 1990-01-16 |
| 4839203 | Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups | Thomas E. Davis, Donald L. Schmidt, Jee I. Kau, Ritchie A. Wessling, Sharon S. Whipple +1 more | 1989-06-13 |
| 4797187 | Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups | Thomas E. Davis, Donald L. Schmidt, Jee I. Kau, Ritchie A. Wessling, Sharon S. Whipple +1 more | 1989-01-10 |
| 4778851 | Rubber-modified epoxy compounds | David E. Henton, Charles B. Arends, Victor E. Meyer | 1988-10-18 |
| 4704324 | Semi-permeable membranes prepared via reaction of cationic groups with nucleophilic groups | Thomas E. Davis, Donald L. Schmidt, Jee I. Kau, Ritchie A. Wessling, Sharon S. Whipple +1 more | 1987-11-03 |
| 4582663 | Amphoteric latexes containing pH independent and pH dependent bound charges | Larry D. Yats | 1986-04-15 |
| 4544697 | Amphoteric latexes containing pH independent and pH dependent bound charges | Larry D. Yats | 1985-10-01 |
| 4525526 | Surface active polymeric surfactants containing side chain hydrophobes | Ritchie A. Wessling | 1985-06-25 |
| 4427819 | Anionic structured particle latexes | Ritchie A. Wessling | 1984-01-24 |
| 4426489 | Surface active polymeric surfactants containing side chain hydrophobes | Ritchie A. Wessling | 1984-01-17 |
| 4337185 | Process for making cationic structured particle latexes using reactive polymeric surfactants | Ritchie A. Wessling | 1982-06-29 |
| 4189345 | Fibrous compositions | William A. Foster, Ritchie A. Wessling | 1980-02-19 |
| 4187142 | Method for forming high strength composites | William A. Foster, Ritchie A. Wessling | 1980-02-05 |