Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 6139982 | Magnetic recording medium having a binder system including a polyurethane polymer having both phosphonate and quaternary ammonium pendant groups | Philip I. Mayo, Ruth M. Erkkila | 2000-10-31 | $1,936,000 |
| 5780167 | Magnetic recording medium having a binder comprising a star block polymer with dispersing groups | Colin F. Norman | 1998-07-14 | $2,082,000 |
| 5663042 | Developing agents for (photo) thermographic systems | Duncan M. A. Grieve, Justine A. Mooney, John H. A. Stibbard, Andrew Mott, Robert James Domett Nairne +9 more | 1997-09-02 | $15,541,000 |