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:
May. 23, 2000
Filed:
Dec. 02, 1998
Applicant:
Inventors:
Toru Arai, Machida, JP;
Akihiko Nakamura, Machida, JP;
Shigeru Suzuki, Machida, JP;
Toshiaki Otsu, Machida, JP;
Akio Okamoto, Machida, JP;
Assignee:
Denki Kagaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526347 ; 526126 ; 526127 ; 526132 ; 526133 ; 526160 ; 526170 ; 526943 ;
Abstract
An ethylene-aromatic vinyl compound copolymer having an aromatic vinyl compound content of from 1 to less than 55% by molar fraction, prepared in the presence of a transition metal compound containing two unsubstituted or substituted indenyl groups or a transition metal compound containing one unsubstituted or substituted cyclopentadienyl group and one unsubstituted or substituted indenyl group.