Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5196287 | Process for producing encapsulated photosensitive composition by altering the concentration of the internal phase during encapsulation | William A. Hammann, IV, Margaret T. Thomas, Jing-Den Chen, Ranganatha Raghaven | 1993-03-23 |
| 5120475 | Method for preparing microcapsules having improved pre-walls, and microcapsules and photosensitive materials produced thereby | Jing-Den Chen, M. Teresa Thomas, Rong-Chang Liang | 1992-06-09 |
| 5112540 | Method of making microcapsules having an improved pre-wall | Jing-Den Chen, Margaret T. Thomas, Rong-Chang Liang | 1992-05-12 |
| 5011885 | Methods for the production of microcapsules using functionalized isocyanate | Jing-Den Chen, Margaret T. Thomas, Rong-Chang Liang | 1991-04-30 |
| 4968580 | Process for producing photosensitive composition capable of forming full color images from a single capsule batch | Chuan Lee | 1990-11-06 |
| 4945024 | Method for improving color balance in imaging systems employing photosensitive microcapsules | Amy L. Burkholder | 1990-07-31 |
| 4929531 | Process for producing photosensitive composition capable of forming full color images from a single capsule batch | Chuan Lee | 1990-05-29 |
| 4840866 | Microcapsule imaging system having improved dynamic range | William H. Simpson, Amy L. Burkholder, Russell K. Messer, Teresa M. Thomas | 1989-06-20 |