Issued Patents All Time
Showing 51–53 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4282144 | Azo dyes derived from 5-membered heterocyclic amines and aromatic amine couplers containing sulfo groups, or salts thereof | Max A. Weaver, Jean Carroll Fleischer | 1981-08-04 |
| 4265812 | Azo dyes derived from 3-amino-2,1-benzisothiazoles and aromatic amine couplers containing sulfo groups, or salts thereof | Max A. Weaver, Jean Carroll Fleischer | 1981-05-05 |
| 4260742 | Methine dyes from tetrahydroquinoline compounds containing n-thioether substituents | Max A. Weaver | 1981-04-07 |