Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853439 | Water-soluble complexes of water-insoluble organic compounds | — | 1989-08-01 |
| 4851543 | Water soluble multicomplex of aminobenzoic acid | — | 1989-07-25 |
| 4758674 | Water soluble multicomplex of a poly(N-vinyl-2-pyrrolidone)-halogen complex and aminobenzoic acid | — | 1988-07-19 |
| 4713238 | Water soluble complex of a poly (vinyl lactam) and chlorothiazide and process for producing same | — | 1987-12-15 |
| 4704436 | Water soluble complex of a poly(vinylpyrrolidone) copolymer and .alpha.-methyl-(2-methylpropyl)benzene acetic acid | — | 1987-11-03 |
| 4684519 | Method of preparing a polyvinylpyrrolidone-halogen complex of improved stability | — | 1987-08-04 |
| 4684698 | Water soluble multicomplex of chlorothiazide, furosemide and poly(N-vinyl-2-pyrrolidone) | — | 1987-08-04 |
| 4666992 | Water soluble complex of a poly(vinylpyrrolidone) copolymer and D-threo-(1,1'-dihydroxy-1-p-nitrophenylisopropyl) dichloroacetamide | — | 1987-05-19 |
| 4600759 | Process for making copolymers of vinylpyrrolidone and maleic anhydride | — | 1986-07-15 |
| 4586962 | Surface cleaning process | — | 1986-05-06 |
| 4554312 | Method of preparing aqueous solutions of polyvinyl-pyrrolidone homopolymer of various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate | James R. Cho | 1985-11-19 |
| 4554311 | Method of preparing an aqueous solution comprising vinylpyrrolidone/vinyl acetate copolymers of various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate | James R. Cho | 1985-11-19 |
| 4521253 | Rust removal process | — | 1985-06-04 |
| 4520179 | Preparation of vinylpyrrolidone/vinyl acetate copolymers of various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate | James R. Cho | 1985-05-28 |
| 4520180 | Polymerization of vinylpyrrolidone to various molecular weights using a single initiator system consisting essentially of t-Butylperoxypivalate | James R. Cho | 1985-05-28 |
| 4517023 | Rust removal process using removable coatings of maleic acid copolymers | — | 1985-05-14 |
| 4451296 | Rust removal process | — | 1984-05-29 |
| 4424079 | Rust removal process | — | 1984-01-03 |
| 4346190 | Thickened acrylic polymer latices | Andrew Klein, Dru W. Alwani | 1982-08-24 |
| 4321181 | Thickened butadiene-styrene latices | Andrew Klein, Dru W. Alwani | 1982-03-23 |
| 4315085 | Core-shell composite polymers having high amounts of carboxylic acid units in the shell | Yehuda Ozari | 1982-02-09 |
| 4312995 | Copolymerizable ultraviolet light absorber members which are .alpha.,.beta. - | Prakash Mallya, Stanley J. Gromelski, Jr. | 1982-01-26 |
| 4310687 | Copolymerizable ultraviolet light absorber monomers which are acrylate esters of 2-hydroxy, alkoxy, methylol benzophenones | Prakash Mallya, Stanley J. Gromelski, Jr. | 1982-01-12 |
| 4302606 | 2-Hydroxy,alkoxy,methylolbenzophenone intermediate compounds for the manufacture of improved copolymerizable ultraviolet light absorber compounds | Prakish Mallya, Stanley J. Gromelski, Jr. | 1981-11-24 |
| 4301267 | Ultraviolet light stable copolymer compositions comprising monomers which are .alpha.,62 -unsaturated dicarboxylic acid half-esters of 2-hydroxy, alkoxy, methylolbenzophenones and styrene-butadiene comonomers | Prakash Mallya, Stanley J. Gromelski, Jr. | 1981-11-17 |