Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5670446 | Sultine color-former compounds and their use in cabonless copy paper | Nusrallah Jubran, Alan R. Katritzky | 1997-09-23 |
| 4898633 | Article containing microencapsulated materials | Richard H. Doree | 1990-02-06 |
| 4879175 | Device for exposing colorant to be transferred | — | 1989-11-07 |
| 4774133 | Article containing microencapsulated materials | Richard H. Doree | 1988-09-27 |
| 4654256 | Article containing microencapsulated materials | Richard H. Doree | 1987-03-31 |