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. 05, 1997
Filed:
Jul. 22, 1996
Applicant:
Inventors:
Takayuki Tsubaki, Kyoto, JP;
Yutaka Nakayama, Kyoto, JP;
Hideyuki Sumi, Osaka, JP;
Hiroshi Hotta, Kyoto, JP;
Assignee:
Dai-Ichi Kogyo Seiyaku Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L / ; C08L / ; C08L / ; C08L / ;
U.S. Cl.
CPC ...
525205 ; 525 64 ; 525 66 ; 525 67 ; 525 71 ; 525 73 ; 525 74 ; 525148 ; 525166 ; 525175 ; 525176 ; 525179 ; 525182 ; 525183 ; 525207 ; 525217 ; 525218 ;
Abstract
The invention provides a thermoplastic resin composition uniformly and permanently rendered antistatic which comprises (A) 100 parts by weight of a thermoplastic resin, (B) 3-30 parts by weight of a cationic copolymer comprising 80-98 mol % of an ethylene unit and 2-20 mol % of a cationic unit and having a weight-average molecular weight of 1,000-50,000, and (C) 0.1-10 parts by weight of a copolymer comprising at least one unit each per molecule of a structural unit of formula (4) ##STR1## and a structural unit of formula (5) ##STR2##