Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5283015 | Method for producing amine-formaldehyde microcapsules and photosensitive microcapsules produced thereby | David A. Hutchings, Margaret T. Thomas, Rong-Chang Liang | 1994-02-01 |
| 5196287 | Process for producing encapsulated photosensitive composition by altering the concentration of the internal phase during encapsulation | Kerry Kovacs, Margaret T. Thomas, Jing-Den Chen, Ranganatha Raghaven | 1993-03-23 |
| 5122432 | Photosensitive microcapsule imaging system having improved gray scale | Peter Gottchalk, James A. Dowler | 1992-06-16 |
| 4971885 | Microcapsule coating compositions containing coupling agents for improved adhesion | Rong-Chang Liang, Teresa M. Thomas, Jesse Hipps, Sr. | 1990-11-20 |
| 4960750 | Recording sheet having improved cohesion and adhesion of microcapsules | Rong-Chang Liang, Teresa M. Thomas, Jesse Hipps, Sr. | 1990-10-02 |