Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677436 | Process for making alkyl polyglosides having improved aesthetic and tactile properties | John F. Hessel, Allen D. Urfer, Charles B. Allen | 1997-10-14 |
| 5605683 | Alkyl polyglycosides in hair skin cleansing compositions | John F. Hessel, Allen D. Urfer, Charles B. Allen, Stephen A. Fischer | 1997-02-25 |