Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12018117 | Polymer dye modification and applications | Arunkumar Easwaran, Sergei Gulnik | 2024-06-25 |
| 11584825 | Polymer dye modification and applications | Arunkumar Easwaran, Sergei Gulnik | 2023-02-21 |
| 11453654 | Photochromic indeno fused phenanthrenopyran compounds | Anil Kumar, Darrin R. Dabideen, Shengwen Yuan | 2022-09-27 |
| 10501477 | Photochromic thienochromene compounds | Jun Deng, Brian R. Stepp, Eric Spitler, Wenjing Xiao, Robert W. Walters | 2019-12-10 |
| 10423061 | Multilayer photochromic articles | Cory S. Brown, Elizabeth A. Zezinka | 2019-09-24 |
| 9630902 | Method of preparing fused ring indeno compounds | Meng He, Allison K. GREENE, Anil Kumar | 2017-04-25 |
| 9206151 | Method of preparing fused ring indeno compounds | Meng He, Allison K. GREENE, Anil Kumar | 2015-12-08 |
| 9051332 | Photochromic indeno-fused ring pyran compounds | Meng He, Anil Kumar | 2015-06-09 |
| 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 |
| 9029565 | Fused ring indeno compounds for preparation of photochromic compounds | Meng He, Anil Kumar | 2015-05-12 |
| 8920928 | Photochromic compounds and compositions | Meng He, Darrin R. Dabideen, Sujit Mondal, Xiao-Man Dai, Ruisong Xu +4 more | 2014-12-30 |
| 8518305 | Photochromic materials | — | 2013-08-27 |
| 8304537 | Use of oxazine compounds for making chromogenic materials | Francisco M. Raymo | 2012-11-06 |
| 8252209 | Photochromic compounds based on ring opening and closing of an [1,3]oxazine compound | Francisco M. Raymo | 2012-08-28 |
| 8198436 | Colorimetric detection of cyanide with a chromogenic oxazine | Francisco M. Raymo | 2012-06-12 |
| 7790068 | Photochromic compounds based on ring opening and closing of a {1,3}oxazine compound | Francisco M. Raymo | 2010-09-07 |