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Title:
多官能性粘度指数改良剤及び分散剤
Document Type and Number:
Japanese Patent JP3987492
Kind Code:
B2
Abstract:
A process is disclosed that comprises solution grafting a hydrocarbon polymer prepared from at least C2 to C28 polymerizable hydrocarbon, said polymer having a number average molecular weight in the range of from about 5,000 to about 500,000, with an ethylenically unsaturated C3 to C10 carboxylic acid material, using a free radical initiator, in the presence of an aromatic ester oil of the formula (I) wherein R1, R2, R3, R4, R5, and R6 are independently selected from the group consisting of hydrogen, -COOR7, -COOR8, -COOR9, -COOR10, -COOR11, and -COOR12, provided that no more than 5 of R1, R2, R3, R4, R5 and R6 are hydrogen, and R7, R8, R9, R10, R11, and R12 are independently selected from the group consisting of alkyl and alkylesters.

Inventors:
Duik, Karl, Jay.
Naresnik, Theodore, Yi.
Trang, Yuen, Sun
Application Number:
JP2003528877A
Publication Date:
October 10, 2007
Filing Date:
September 14, 2001
Export Citation:
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Assignee:
Chemture Corporation
International Classes:
C10M133/56; C08F8/44; C08F255/00; C08F255/02; C08L51/06; C10M133/58; C10N30/04; C10N30/06; C10N40/25
Domestic Patent References:
JP61163911A
JP62181313A
JP54095604A
JP58171417A
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Katsunori Ando
Takamatsu Takefu