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:
Jul. 04, 1995
Filed:
Aug. 23, 1994
Applicant:
Inventors:
Axel Bottcher, Wesel, DE;
Ulrich Stieber, Mulheim, DE;
Michael Mohr, Wuppertal, DE;
Achim Fels, Wuppertal, DE;
Assignees:
Rutgerswerke Aktiengesellschaft, both of, DE;
Akzo Nobel Faser AG, both of, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428246 ; 428252 ; 428253 ; 428257 ; 428284 ; 428287 ; 428408 ; 428902 ; 428911 ;
Abstract
A composite material comprising a fabric of high-modulus fiber material and optionally a portion of other synthetic fiber material and a binder, the binder layers being essentially disposed only between fabric plies, the binder being a resol modified with polyvinyl butyral, the resol content being 4 to 20% by weight and the polyvinyl butyral content being 75 to 95% by weight of the binder suitable for projectile inhibiting laminates for the manufacture of protective helmets and armor against projectiles.