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:
Oct. 24, 2006
Filed:
Dec. 19, 2000
Applicants:
Tsutomu Takashima, Kawasaki, JP;
Koji Fujimura, Kisarazu, JP;
Yuichi Tokumoto, Chigasaki, JP;
Inventors:
Assignee:
Nippon Petrochemicals Co., Lt., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C 2/30 (2006.01);
U.S. Cl.
CPC ...
Abstract
Butene oligomer derivatives having tert-butyl groups as one of the terminal groups, having a repeating unit of the main hydrocarbon chain consisting of 80% by mole or more of —CHC(CH)—, and carrying the other terminal group consisting of 60% by mole or more of 1,4-butanediol type functional groups. These derivatives are useful as macromonomers which can be subjected to polycondensation, polyaddition, etc.