Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885181 | Process for decaffeinating green coffee | — | 1989-12-05 |
| 4877631 | Process for recovering caffeine absorbed in activated carbon, and a process for decaffeinating coffee | Roelof Klamer, Pieter J. Noomer | 1989-10-31 |
| 4818552 | Process for recovering caffeine adsorbed to activated carbon | — | 1989-04-04 |