Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5207942 | Preparation of mixtures of diphenylmethane diisocyanates and polyphenylpolymethylene polyisocyanates having a reduced iodine color number | Dietrich Scherzer, Roland Minges, Werner Langer, Bernd Bruchmann, Wolfgang Heider +2 more | 1993-05-04 |
| 4257844 | Press section arrangement | Cornelius Neil Rempel | 1981-03-24 |