Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9465234 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same | Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock +3 more | 2016-10-11 |
| 9097916 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same | Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock +3 more | 2015-08-04 |
| 9028728 | Photochromic materials that include indeno-fused naphthopyrans | Kevin E. Bancroft, Anu Chopra, Xiao-Man Dai, Beon-Kyu Kim, David B. Knowles +8 more | 2015-05-12 |
| 8741188 | Ophthalmic devices comprising photochromic materials having extended pi-conjugated systems | Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock +3 more | 2014-06-03 |
| 8388872 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same | Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock +3 more | 2013-03-05 |
| 8158037 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same | Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock +3 more | 2012-04-17 |
| 8147725 | Photochromic materials having extended pi-conjugated systems and compositions and articles including the same | Anu Chopra, Jun Deng, Beon-Kyu Kim, David B. Knowles, Frank Molock +3 more | 2012-04-03 |