Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337333 | Substituted polyisocyanate or polyisocyanate mixtures of the diphenyl methane series containing chlorosulfonyl groups | Dieter Dieterich | 1982-06-29 |
| 4320068 | Process for the production of polyisocyanates having a biuret structure | Jurgen Schwindt, Holger Meyborg, Klaus Konig | 1982-03-16 |