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:
Jan. 11, 2011
Filed:
Mar. 28, 2003
Applicants:
Klaus Peter Schwung, Ratingen, DE;
Bernd Wohlmann, Dusseldorf, DE;
Inventors:
Klaus Peter Schwung, Ratingen, DE;
Bernd Wohlmann, Dusseldorf, DE;
Assignee:
Toho Tenax Europe GmbH, Wuppertal, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D02G 3/00 (2006.01); C08G 75/14 (2006.01); C08G 75/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A composite material is described that contains a reinforcing resin and reinforcing fibers, wherein the reinforcing fibers have a coating containing polyphenylene sulfide and the proportion of polyphenylene sulfide relative to the uncoated fibers is 0.001 to <0.01 wt. %. The composite material shows higher apparent interlaminar shear strength and bending strength as compared with similar composite materials having no PPS coating in the above concentration range.