Issued Patents All Time
Showing 76–82 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4897332 | Charge control agent combination of lecithin and pyrrolidone polymer for liquid toner and methods of use | Ray H. Luebbe, Jr. | 1990-01-30 |
| 4891286 | Methods of using liquid tower dispersions having enhanced colored particle mobility | — | 1990-01-02 |
| 4860924 | Liquid developer charge director control | Robert M. Simms | 1989-08-29 |
| 4842974 | Toner for use in compositions for developing latent electrostatic images, method of making the same, and liquid composition using the improved toner | Benzion Landa, Peretz Ben-Auraham, Joseph Hall | 1989-06-27 |
| 4794651 | Toner for use in compositions for developing latent electrostatic images, method of making the same, and liquid composition using the improved toner | Benzion Landa, Peretz Ben-Auraham, Joseph Hall | 1988-12-27 |
| 4756986 | Mixed pigment system for modulation of toner gamma | — | 1988-07-12 |
| 4304681 | Novel stripping composition for positive photoresists and method of using same | Robert Martin | 1981-12-08 |