Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4770667 | Use of substituted 2-(2'-hydroxyaryl)-2H-benzotriazolesulfonates as photostabilizing agents for natural and synthetic fibres | Neil A. Evans, Ian H. Leaver, Peter J. Waters, John F. K. Wilshire | 1988-09-13 |
| 4668235 | Use of substituted 2-(2-hydroxyaryl)-2H-benzotriazolesulfonates as photostabilizing agents for natural synthetic fibres | Neil A. Evans, Ian H. Leaver, Peter J. Waters, John F. K. Wilshire | 1987-05-26 |