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. 14, 1992
Filed:
Dec. 08, 1989
Applicant:
Inventors:
Christian Burba, Herbern, DE;
Herbert Franz, Hamm, DE;
Alwin Krotzek, Werne, DE;
Werner Mrotzek, Dortmund, DE;
Assignee:
Schering AG, Bergkamen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
156172 ; 156187 ; 156192 ; 156330 ; 242-702 ; 242-722 ; 285150 ; 525523 ; 528 94 ;
Abstract
The invention relates to a process for the fabrication of fiber-reinforced wound structures, and particularly pipe fittings, by impregnation of heat-resistant fibers with binders based on epoxy resins and 3-[1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl]-heptane and/or [1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl]-2,4,4-trimethyl-1-pentane as curing agent and commonly used fillers, pigments, dyes, accelerators, curing agents, wetting and flow-control agents, and reactive diluents.