Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4879243 | Use of substituted ortho-quinones as electron transfer agents in analytical determinations | Robert W. Zercie | 1989-11-07 |
| 4857271 | Reducible compounds and analytical compositions, elements and methods utilizing same | Robert T. Belly, Theodore W. Esders, Brent A. Burdick | 1989-08-15 |
| 4853186 | Water-compatible reducible compounds and their use in analytical compositions and methods | Robert T. Belly, Vanessa R. Lum | 1989-08-01 |
| 4803161 | Biological and analytical uses of phenalenone and benzphenalenone compounds | Bruce E. Babb, Robert T. Belly | 1989-02-07 |
| 4797357 | Light-stable reducible compounds and analytical compositions, elements and methods utilizing same | Paul B. Merkel | 1989-01-10 |