Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670677 | Process for the production of color- and odor-stable quaternized fatty acid triethanolamine ester salts | Joaquim Bigorra Llosas | 1997-09-23 |
| 5609167 | Acidic hair care preparations | Hermann Hensen, Dagmar Stuhrmann, Esther Prat Queralt | 1997-03-11 |