The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 10, 2011
Filed:
Dec. 09, 2008
Hans-josef Laas, Odenthal, DE;
Reinhard Halpaap, Odenthal, DE;
Dieter Mager, Leverkusen, DE;
Markus Mechtel, Bergisch Gladbach, DE;
Michael Ehlers, Krefeld, DE;
Reinhard Hertrampf, Langenfeld, DE;
Hans-Josef Laas, Odenthal, DE;
Reinhard Halpaap, Odenthal, DE;
Dieter Mager, Leverkusen, DE;
Markus Mechtel, Bergisch Gladbach, DE;
Michael Ehlers, Krefeld, DE;
Reinhard Hertrampf, Langenfeld, DE;
Bayer MaterialScience AG, Leverkusen, DE;
Abstract
The present invention relates to innovative polyisocyanate mixtures comprising cycloaliphatic structural elements and containing exclusively linear-aliphatically attached free isocyanate groups, to a process for preparing them and to their use as a starting component in the production of polyurethane plastics, more particularly as a crosslinker component in polyurethane coating materials and coatings.