Issued Patents All Time
Showing 151–155 of 155 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242410 | Process for the production of foam plastics based on polyisocyanates having a light and yellowing resistant top layer and resultant product | Eberhard Konig, Manfred Schonfelder | 1980-12-30 |
| 4240942 | Process for the preparation of aqueous dispersions or solutions of isocyanate polyaddition products | Wolfgang Wenzel, Walter Meckel | 1980-12-23 |
| 4237264 | Process for the preparation of polyurethanes which are dispersible in water | Klaus Noll, Klaus Nachtkamp | 1980-12-02 |
| 4192937 | Process for the preparation of isocyanate polyaddition products which have hydroxyl groups in side chains | Klaus Noll, Klaus Nachtkamp | 1980-03-11 |
| 4190566 | Water-dispersible polyurethanes | Klaus Noll | 1980-02-26 |