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. 15, 2006
Filed:
Nov. 23, 2004
Applicants:
Young Chan Jang, Daejeon, KR;
Hyun Kyung Sung, Daejeon, KR;
Inventors:
Young Chan Jang, Daejeon, KR;
Hyun Kyung Sung, Daejeon, KR;
Assignee:
Korea Kumho Petrochemical Co., Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 4/44 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a method for preparing homo- and co-polymers having high molecular weights in high yields by polymerizing cyclic olefin compounds using a complex prepared by mixing a nickel salt compound, an organoaluminoxane compound, and at least one organic boron compound.