Issued Patents All Time
Showing 26–32 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244739 | Magnetic recording media comprising a cured dispersion coating of a magnetizable pigment and polyurethane polymer containing a vinyl polymeric segment pendant from the polyurethane backbone | Jeffrey T. Anderson | 1993-09-14 |
| 5218072 | Sulfonated and non-sulfonated, thiol, and hydroxy functional polyurethanes and graft copolymers made therewith | Ramesh C. Kumar, Jeffrey T. Anderson | 1993-06-08 |
| 5185423 | Method of making sulfonated hydroxy-functional polyurethane binder for magnetic recording media | Takatoshi Ohkubo | 1993-02-09 |
| 5134035 | Magnetic recording medium containing a polyurethane copolymer with a free radically polymerized polymer segment grafted to the polyurethane through a sulfur atom | Ramesh C. Kumar, Jeffrey T. Anderson | 1992-07-28 |
| 5081213 | Heterocyclic thione functional polyurethane polymers and their use in magnetic recording media | — | 1992-01-14 |
| 5071578 | Sulfonated hydroxy-functional polyurethane binder for magnetic recording media | Takatoshi Ohkubo | 1991-12-10 |
| 4963415 | Process for temperature indication of a heat recoverable article | Dean R. Yarian | 1990-10-16 |