Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4830786 | Squaraine dyes | John Pease, Donald E. Berger, Jr., Chiu C. Chang, Chun-Hua Chuang | 1989-05-16 |
| 4812401 | Reversible agglutination mediators for separating cells from whole blood | Cheng-I Lin, Edwin F. Ullman | 1989-03-14 |
| 4806488 | Ligand-receptor assays employing squarate dye compositions | Donald E. Berger, Jr., Edwin F. Ullman | 1989-02-21 |