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:
Sep. 22, 1992
Filed:
Jan. 09, 1991
Applicant:
Inventors:
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428116 ; 428 76 ; 428286 ; 4284744 ;
Abstract
Laminates of improved edge strength have a foam or honeycomb core layer A comprising a heat resistant plastic and cover layers B comprising fiber reinforced heat resistant plastic, at least one edge of the core layer being joined to a foam strip C of a heat resistant thermoplastic material whose density is higher than the density of the core.