Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4530997 | Azo dyes from sulfonated 3-sulfonated 3-amino-2,1-benzisothiazoles with 1,2,3,4-tetrahydroquinoline or 2,3-dihydro-1,4-benzoxazine couplers | Max A. Weaver | 1985-07-23 |
| 4403092 | Polyesters containing copolymerized, anthraquinone colorant compounds containing sulfonamido groups | Thomas G. Davis, Max A. Weaver | 1983-09-06 |
| 4374769 | Water-soluble tris phenyl bisazo dyes for polyamide fibers | Max A. Weaver | 1983-02-22 |
| 4305874 | Aniline azo dyes from 1,2,3,4-tetrahydroquinoline and 2,3-dihydro-1,4-benzoxazine couplers containing sulfate alkyl groups | Max A. Weaver | 1981-12-15 |
| 4302390 | Azo dyes with sulfate groups on the diazotized 2-amino thiazol and 5-amino isothiazol moiety and with aniline, tetrahydroquinoline and benzomorpholine couplers | Max A. Weaver | 1981-11-24 |
| 4302387 | Azo dyes from 1,3,4-thiadiazol-2-yl and 1,2,4-thiadiazol-5-yl moieties bearing sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on their rings | Max A. Weaver | 1981-11-24 |
| 4301070 | Azo dyes from a 5-aminopyrazole bearing 1 to 2 sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl) carbamoyl groups on its ring | Max A. Weaver | 1981-11-17 |
| 4301071 | Azo dyes from aniline having 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydroxyalkyl)carbamoyl groups on its ring | Max A. Weaver | 1981-11-17 |
| 4301068 | Azo dyes from a 2-aminothiophene having 1 or 2 sulfated hydroxyalkoxycarbonyl or N-(hydrocyalkyl) carbamoyl groups on its ring | Max A. Weaver | 1981-11-17 |
| 4267104 | Dyes from selected substituted aniline diazo components and aniline couplers containing sulfate ester groups | Max A. Weaver | 1981-05-12 |
| 4255326 | Nitrogen and/or sulfur containing heterocyclic azo dyes with aniline, tetrahydroquinoline and benzomorpholine couplers having sulfate group | Max A. Weaver | 1981-03-10 |