Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9217054 | Process for production of di- and polyamines of the diphenylmethane series | Robert Henry Carr, Johannes Lodewijk Koole | 2015-12-22 |
| 8557949 | Process for production of di- and polyamines of the diphenylmethane series | Robert Henry Carr, Johannes Lodewijk Koole | 2013-10-15 |