Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4340385 | Stable, concentrated, aqueous compositions containing para-sulfophenyl-azo-substituted 1,4-phenylene-azo-para-2-hydroxypropoxyphenyl dyes | Silvio Rodriguez | 1982-07-20 |