Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8778861 | Liquid soaps with triclocarban | Manying Shi | 2014-07-15 |
| D632386 | Oral supplement | — | 2011-02-08 |
| 5549842 | Thickened alkali metal hypochlorite composition | — | 1996-08-27 |
| 5540738 | Oxidative hair coloring composition and process for dyeing human keratinous fibers | Alexander Chan, Yuh-Guo Pan | 1996-07-30 |
| 5139532 | P-phenylenediamine substituted by a quaternary ammonium group and an electron withdrawing group | A. C. Chan, Y. G. Pan | 1992-08-18 |