Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8143329 | Method of making kaolin containing silicone rubber compositions | Michael Proctor | 2012-03-27 |
| 5919298 | Method for preparing hydrophobic fumed silica | Phillip Joseph Griffith, William Herron, Brian Harkness, David James Wilson | 1999-07-06 |
| 5908660 | Method of preparing hydrophobic precipitated silica | Phillip Joseph Griffith, Brian Harkness, William Herron, David James Wilson | 1999-06-01 |
| 4898595 | Coloring keratinous material | Petrina F. Fridd | 1990-02-06 |
| 4601902 | Compositions and process for treating hair | Petrina F. Fridd, Michael Hill | 1986-07-22 |