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:
Mar. 20, 2018
Filed:
Apr. 14, 2014
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventors:
Assignee:
COVESTRO DEUTSCHLAND AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 5/24 (2006.01); B32B 27/04 (2006.01); B32B 27/40 (2006.01); C08G 18/10 (2006.01); C08G 18/76 (2006.01); C08G 18/20 (2006.01); C08G 18/42 (2006.01); C08J 5/04 (2006.01); C08L 75/08 (2006.01);
U.S. Cl.
CPC ...
C08J 5/24 (2013.01); C08G 18/10 (2013.01); C08G 18/2063 (2013.01); C08G 18/4238 (2013.01); C08G 18/7664 (2013.01); C08J 5/043 (2013.01); C08J 2375/06 (2013.01);
Abstract
The invention relates to prepregs and to a method for producing storage-stable polyurethane prepregs (pre-impregnated fibers) using polyols with a high content of secondary hydroxyl end groups, to composite fiber components (composite components) which are produced from the prepregs and which can be obtained by impregnating fiber-shaped materials such as woven fabrics and fleece, and to a method for producing said composite fiber components.