Issued Patents 1997
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5672736 | Polyisocyanates containing allophanate groups | Martin Brahm, Lutz Schmalstieg | 1997-09-30 |
| 5629402 | Coating compositions and their use for the preparation of coatings permeable to water vapor | Detlef-Ingo Schutze, Wilhelm Thoma, Klaus Nachtkamp | 1997-05-13 |
| 5623045 | Process for the preparation of coatings | Christian Zwiener, Reinhard Halpaap, Wolfgang Kiel | 1997-04-22 |
| 5612408 | Polyurethane-based thickeners for aqueous compositions | Klaus Konig, Jurgen Schwindt, Jan Mazanek, Manfred Dietrich, Gerhard Klein +1 more | 1997-03-18 |
| 5610260 | Polyisocyanate mixtures which are liquid at greater than 5.degree. C | Lutz Schmalstieg, Harald Mertes | 1997-03-11 |
| 5606004 | Lacquer polyisocyanates with aliphatically and aromatically bound isocyanate groups | Martin Brahm, Lutz Schmalstieg | 1997-02-25 |