Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12359016 | Method of preparing low haze polymer compositions for use in high refractive index optical materials | Barry R. Havens, Matthew S. Luchansky, Nigel D. Kidder-Wolff | 2025-07-15 |
| 11518751 | Photochromic indeno-fused naphthopyran compounds with reduced temperature dependence | Robert W. Walters, Chien-Yang Chiu, Anu Chopra, Sujit Mondal, Nick J. Parise +1 more | 2022-12-06 |
| 11453654 | Photochromic indeno fused phenanthrenopyran compounds | Anil Kumar, Shengwen Yuan, Massimiliano Tomasulo | 2022-09-27 |
| 10532997 | Photochromic compounds | Meng He, Terry Kellar, Anil Kumar | 2020-01-14 |
| 10532998 | Photochromic compounds | Meng He, Terry Kellar, Anil Kumar | 2020-01-14 |
| 10501446 | Photochromic compounds | Meng He, Terry Kellar, Anil Kumar | 2019-12-10 |
| 10145996 | Photochromic articles that include photochromic-dichroic materials | Rachael L. DeMeio, Meng He, Anil Kumar, Sujit Mondal | 2018-12-04 |
| 10005763 | Photochromic compounds | Meng He, Terry Kellar, Anil Kumar | 2018-06-26 |
| 10000472 | Photochromic compounds | Meng He, Terry Kellar, Anil Kumar | 2018-06-19 |
| 9405041 | Photochromic compounds | Meng He, Anil Kumar, Terry A. Keller, II | 2016-08-02 |
| 9334439 | Photochromic articles that include photochromic-dichroic materials | Rachael L. DeMeio, Anil Kumar, Meng He, Sujit Mondal | 2016-05-10 |
| 9309455 | Indeno-fused ring compounds | Meng He, Anil Kumar | 2016-04-12 |
| 9034219 | Photochromic compounds and compositions | Meng He, Xiao-Man Dai, Wenjing Xiao, Ruisong Xu, Sujit Mondal +2 more | 2015-05-19 |
| 9029532 | 5,6-ring-substituted naphthopyran compounds | Meng He, Anil Kumar | 2015-05-12 |
| 8920928 | Photochromic compounds and compositions | Meng He, Sujit Mondal, Xiao-Man Dai, Ruisong Xu, Wenjing Xiao +4 more | 2014-12-30 |
| 8779168 | Lactone compounds and materials made therefrom | Meng He, Ruisong Xu, Anil Kumar | 2014-07-15 |
| 8705160 | Photochromic compounds | Meng He, Anil Kumar, Terry Kellar | 2014-04-22 |
| 8698117 | Indeno-fused ring compounds | Meng He, Anil Kumar | 2014-04-15 |
| 8545984 | Photochromic compounds and compositions | Meng He, Anil Kumar, Ruisong Xu | 2013-10-01 |
| 8518546 | Photochromic compounds and compositions | Meng He, Sujit Mondal, Anil Kumar, Xiao-Man Dai | 2013-08-27 |
| 8211338 | Photochromic compounds | Meng He, Anil Kumar, Terry Kellar | 2012-07-03 |