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:
Aug. 14, 1990
Filed:
Jul. 20, 1989
Applicant:
Inventors:
Peter Dinter, Oestrich-Winkel, DE;
Bernd Spross, Taunusstein, DE;
Assignee:
Hoechst Aktiengesellschaft, Frankfurt am Main, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428172 ; 428156 ; 428166 ; 428195 ; 428200 ; 428206 ; 428207 ; 428212 ; 428213 ; 4283084 ; 4283044 ; 428910 ; 428349 ; 428198 ; 428216 ; 428516 ; 428481 ; 428483 ;
Abstract
The high-strength panel-type article is composed of a plurality of superposed films of thermoplastic material firmly bonded to one another. At least one surface of the article has a plurality of individual elevations, the article being thicker in these areas of this surface and the individual films not being bonded to one another in these areas.