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. 05, 1989
Filed:
May. 05, 1989
Applicant:
Inventors:
Onno Graalmann, Dossenheim, DE;
Guenter Kreibiehl, Ludwigshafen, DE;
Gerhard Turznik, Ludwigshafen, DE;
Heinz Weber, Gruenstadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
4283166 ; 4284735 ;
Abstract
A flexible foam composite of high flame resistance consists of one or more layers of a flexible melamine resin foam from 4 to 25 g/l in density and one or more layers of a flexible polyimide foam from 8 to 40 g/l in density.