Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8211333 | Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants | Russell Schwartz, Don DeRussy, Dan Gloster, Steve Postle, Rakesh Vig +1 more | 2012-07-03 |
| 7914703 | Poly(oxyalkylene)ated colorants and their use as fluorescent security taggants | Russell Schwartz, Don DeRussy, Daniel F. Gloster, Stephen Postle, Rakesh Vig +1 more | 2011-03-29 |
| 7176308 | Processes for preparing novel methylene blue derivative | Rakesh Vig, Scott Gerger, Richard Selinfreund, Peter Miller, Mike Cunningham +2 more | 2007-02-13 |
| 6952392 | Laser reactive dyes for DVD copy protection system | Rakesh Vig, Scott Gerger, Richard Selinfreund, Peter Miller, Junzhing Li +1 more | 2005-10-04 |
| 5618844 | Hydroxamic acid and carboxylic acid derivatives, process for their preparation and use thereof | Madhusudhan Reddy Gowravaram, Jeffrey W. Johnson, Robert Wahl, Alan M. Mathiowetz, Bruce E. Tomczuk +1 more | 1997-04-08 |
| 5514716 | Hydroxamic acid and carboxylic acid derivatives, process for their preparation and use thereof | Madhusudhan Reddy Gowravaram, Jeffrey W. Johnson, Robert Wahl, Alan M. Mathiowetz, Bruce E. Tomczuk +1 more | 1996-05-07 |
| 5019492 | Photographic element and process comprising a blocked photographically useful compound | John M. Buchanan, Jared B. Mooberry, Gary S. Proehl, Stephen P. Singer, William N. Washburn | 1991-05-28 |
| 4672029 | Color-forming couplers and their use in the analytical determination of hydrogen peroxide or other analytes | William N. Washburn, Glen M. Dappen | 1987-06-09 |