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:
Jun. 30, 2009
Filed:
Dec. 17, 2003
Jan Weikard, Odenthal, DE;
Christoph Gürtler, Köln, DE;
Wolfgang Fischer, Meerbusch, DE;
Diethelm Rappen, Rheinberg, DE;
Michael Schelhaas, Köln, DE;
Jan Weikard, Odenthal, DE;
Christoph Gürtler, Köln, DE;
Wolfgang Fischer, Meerbusch, DE;
Diethelm Rappen, Rheinberg, DE;
Michael Schelhaas, Köln, DE;
Bayer MaterialScience AG, Leverkusen, DE;
Abstract
An organic polyisocyanate with at least one unsaturated functional group is capable of copolymerizing when exposed to actinic radiation. The polyisocyanate comprises structural units with the formula (1): wherein: X is an electron-attracting group; R, and Rare hydrogen atoms, a saturated or unsaturated aliphatic or cycloaliphatic radical, or an aromatic or araliphatic radical; and n is an integer from 0 to 5. A process for producing this polyisocyanate is also disclosed.