Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221427 | Preparation method of (5-fluoro-2,3-dihydrobenzofuran-4-yl)methanamine or its salt, and intermediates thereof | Qingquan Wu, Jiawei Wang, Rubin Zhou | 2025-02-11 |
| 8440741 | Dental adhesive compositions and methods | Junjie Jeffrey Sang, Huaibing Liu | 2013-05-14 |
| 8049040 | Ethylene-tetrafluoroethylene phosphate composition | Weiming Qiu | 2011-11-01 |
| 8022114 | Dental adhesive compositions and methods | Junjie Jeffrey Sang, Huaibing Liu | 2011-09-20 |
| 6391940 | Method and composition for adhering to metal dental structure | Gordon Blackwell, Kewang Lu, Chin-Teh Huang, Mingxin Fan, Paul D. Hammesfahr +1 more | 2002-05-21 |
| 6315554 | Dental restorative shade guide and method of selecting a dental restorative shade | Andrew J. Coste, Junjie Jeffrey Sang, Lisa Durst | 2001-11-13 |
| 6262142 | Translucent wear resistant dental enamel material and method | John Subelka, Steven R. Jefferies, Paul D. Hammesfahr, Paul A. Silver | 2001-07-17 |