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:
Sep. 05, 2023
Filed:
Oct. 30, 2019
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Dong Hyun Jo, Daejeon, KR;
Jin Lee, Daejeon, KR;
Won Hee Kim, Daejeon, KR;
Gyeong Shin Choi, Daejeon, KR;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 110/10 (2006.01); C07F 5/02 (2006.01);
U.S. Cl.
CPC ...
C08F 110/10 (2013.01); C07F 5/027 (2013.01);
Abstract
The present invention provides a method for preparing a polybutene oligomer including a step of oligomerizing a polymerization solution including a halogenated hydrocarbon solvent, a nonpolar hydrocarbon solvent and an isobutene monomer in the presence of an organometal catalyst.