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:
Jan. 20, 1976
Filed:
Jun. 20, 1974
Applicant:
Inventors:
Masaaki Takahashi, Tokyo, JA;
Akira Ito, Tokyo, JA;
Yuriko Igarashi, Mitaka, JA;
Shichiro Kawada, Hitachi, JA;
Jiro Ogura, Hitachi, JA;
Ryoichi Ito, Hitachi, JA;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ; C08F / ; H01B / ;
U.S. Cl.
CPC ...
260 873 ; 1171 / ; 252 63 ; 260 / ; 260 / ; 260 937 ; 260 948 ; 260 / ;
Abstract
Polyolefin compositions having excellent dielectric properties comprising an alkylpyrene having the following formula ##SPC1## (wherein R represents an alkyl group containing from 1 to 4 carbon atoms, and x is an integer of from 1 to 4, and when x is an integer of 2 or greater, R may be different or the same) in an amount of at last 0.5 parts by weight per 100 parts by weight of a polyolefin.