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. 01, 1998
Filed:
May. 16, 1997
Applicant:
Inventors:
Minoru Onodera, Kurashiki, JP;
Takeichi Tsudaka, Kurashiki, JP;
Toshiaki Sato, Kurashiki, JP;
Randy Douglas Jester, Greer, SC (US);
Leonard R Garrett, deceased, late of Greer, SC (US);
Detlef Frank, Mainz, DE;
Assignees:
Hoechst Celanese Corporation, Warren, NJ (US);
Kuraray Co. Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K / ;
U.S. Cl.
CPC ...
428141 ; 428-1 ; 428480 ; 428220 ; 428338 ; 428910 ;
Abstract
A film having a roughened surface. The film is made of an LCP and has surface recessions covering at least about 25% of the area of the surface. The film is made by pressing an embossing means against the film surface at a temperature about 15.degree.-75.degree. C. below the melting point of the polymer. The embossed film has improved resistance to abrasion.