Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7118622 | Organic dyes suitable for use in drugs and cosmetics laked onto a platy titanium dioxide pigment | Gabriel Uzunian | 2006-10-10 |
| 6616745 | Black pearlescent pigments | Samuel F. Narvarti, Mark E. Gall, Thomas V. Edwards, William L. Howell | 2003-09-09 |
| 6036763 | KOH neutralized metatitanic acid mixture and complex inorganic pigments containing the same | Thomas V. Edwards, William L. Howell | 2000-03-14 |
| 5571519 | Organoleptically stable denture cleanser tablets | Joseph Synodis, Robert C. Gasman | 1996-11-05 |
| 4267164 | Effervescent stannous fluoride tablet | Kuo-Chen Yeh | 1981-05-12 |