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:
Mar. 17, 1992
Filed:
Oct. 05, 1989
Applicant:
Inventors:
Hiroshi Takahashi, Ohtake, JP;
Teruhiko Sugimori, Ohtake, JP;
Kunihiro Aoki, Ohtake, JP;
Hajime Itoh, Hiroshima, JP;
Assignee:
Mitsubishi Rayon Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; C08F / ;
U.S. Cl.
CPC ...
528491 ; 528492 ; 528499 ; 528502 ; 526220 ; 526341 ; 525242 ; 525243 ; 525260 ; 264216 ; 264234 ; 264291 ; 2643311 ; 264345 ;
Abstract
An acrylonitrile polymer film is disclosed which film comprising a polymer containing higher than 80% by weight of acrylonitrile units, having higher than 300,000 of weight average molecular weight, and having molar fraction Ne for the segment of polymerization initiator bonded to the terminal of the polymer satisfying the following equation: