Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5326865 | Arylazo and poly(arylazo) dyes having at least one core radical selected from naphthyl or anthracyl and having at least one 2,3-dihydro-1,3-dialkyl perimidine substituent | Robert P. Grasso, Michael K. O'Brien | 1994-07-05 |
| 5298588 | Organosilicon polymers, and dyes, exhibiting nonlinear optical response | Wayne M. Gibbons, Robert P. Grasso, Michael K. O'Brien, Shao-Tang Sun | 1994-03-29 |