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:
Apr. 19, 1994
Filed:
Jun. 04, 1991
Applicant:
Inventors:
Junichi Yokoyama, Yokohama, JP;
Hideo Kawabata, Kawasaki, JP;
Masaaki Ikeda, Tokyo, JP;
Katsufumi Suga, Yokohama, JP;
Masayoshi Kariya, Yokohama, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526311 ; 1741 / ; 1741 / ; 526297 ; 526300 ; 526310 ; 526342 ; 526316 ; 5263186 ; 5263488 ;
Abstract
A polar group-containing ethylene polymer or copolymer having improved insulating properties, or a composition thereof is characterized in that said polar group-containing ethylene polymer or copolymer contains 20 to 8000 ppm of a polar group having a dipole moment of more than 0.8 debye. The polymer can be used in a power cable as insulation.