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:
Dec. 24, 1991
Filed:
May. 16, 1990
Applicant:
Inventors:
Karl Jellinek, Iserlohn, DE;
Berthold Meier, Menden, DE;
Horst Duda, Iserlohn, DE;
Winfried Reisel, Iserlohn, DE;
Assignee:
Rutgerswerke AG, , DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428209 ; 428285 ; 4283044 ; 428415 ; 428901 ; 264104 ; 156 60 ;
Abstract
A prepreg comprising a porous support material impregnated with a binder consisting essentially of an epoxy resin, a bisphenol novolac hardener and 0.4 to 2.0% by weight based on the total binder of an imidazole and a method of preparing laminates of composite materials therefrom.
Jellinek, Karl. (1991). Novel prepregs (U.S. Patent No. 5075155). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5075155
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile