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. 27, 1991
Filed:
Jun. 15, 1990
Applicant:
Inventors:
Masahiro Kakugo, Narashino, JP;
Tatsuya Miyatake, Ichihara, JP;
Koozi Mizunuma, Ichihara, JP;
Yoshio Yagi, Ichihara, JP;
Assignee:
Sumitomo Chemical Company, Limited, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08F / ;
U.S. Cl.
CPC ...
526347 ; 526139 ; 526140 ; 526141 ; 526142 ; 526128 ; 526346 ;
Abstract
Alternating copolymers having a high alternating degree and high isotacticity, which can be produced by copolymerizing ethylene and an aromatic vinyl monomer in the presence, as a catalyst, of a transition metal compound, aluminoxane and a specific organic compound having at least two hydroxyl groups.
Kakugo, Masahiro. (1991). Ethylene-aromatic vinyl compound alternating copolymer and process for (U.S. Patent No. 5043408). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5043408
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile