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Patent Searching and Data


Title:
新規なコポリマーおよびその潤滑組成物
Document Type and Number:
Japanese Patent JP5539983
Kind Code:
B2
Abstract:
The present invention relates to a copolymer comprising units derived from monomers (i) an ±-olefin and (ii) an ethylenically unsaturated carboxylic acid or derivatives thereof esterified with a primary alcohol branched at the ss- or higher position, wherein the copolymer has a reduced specific viscosity of up to 0.08. The invention further provides for a lubricating composition containing said copolymer. The invention further provides a method and use of controlling viscosity index by supplying to an oil of lubricating viscosity the copolymer with pendant groups. In addition, the copolymer of the present invention may be useful as a base oil replacement.

Inventors:
Price, david
Burton, william
Bisger, Daniel Sea.
Application Number:
JP2011521262A
Publication Date:
July 02, 2014
Filing Date:
July 29, 2009
Export Citation:
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Assignee:
THE LUBRIZOL CORPORATION
International Classes:
C08F8/14; C08F8/30; C08F210/00; C08F222/06; C10M107/10; C10M107/28; C10M107/42; C10M143/08; C10M145/16; C10M149/02
Domestic Patent References:
JP54006094A
JP51095489A
JP61120811A
JP2003504487A
Foreign References:
WO2007133995A1
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita