Title:
油添加剤濃縮物における粘度成長抑制
Document Type and Number:
Japanese Patent JP4393871
Kind Code:
B2
Abstract:
A method is disclosed for inhibiting the rate of viscosity growth in an oil concentrate of a VI-dispersant prepared form a copolymer of ethylene and at least one C3-C16 alpha olefin, wherein said copolymer has been grafted with at least one unsaturated carboxylic acid-containing material, further reacted with an amount of a polyamine sufficient to neutralize said acid containing material, or at least one unsaturated nitrogen-containing material, comprising blending a primary antioxidant into said concentrate as a top treatment or as a displacement for an equal amount of diluting oil.
Inventors:
Duik, curl
Naresnik, Theodore, Yi.
Naresnik, Theodore, Yi.
Application Number:
JP2003549461A
Publication Date:
January 06, 2010
Filing Date:
October 04, 2002
Export Citation:
Assignee:
Chemture Corporation
International Classes:
C10M161/00; C10M127/02; C10M129/10; C10M129/34; C10M129/76; C10M133/06; C10M133/08; C10M133/12; C10M143/04; C10M143/06; C10M143/08; C10M145/10; C10M149/02; C10M149/06; C10M159/12; C10N30/00; C10N30/02; C10N30/04
Domestic Patent References:
| JP6228530A |
Attorney, Agent or Firm:
Hideto Asamura
Hajime Asamura
Katsunori Ando
Yukihiro Ikeda
Hajime Asamura
Katsunori Ando
Yukihiro Ikeda