发明授权
EP0673407B1 MIXED ETHYLENE ALPHA OLEFIN COPOLYMER MULTIFUNCTIONAL VISCOSITY MODIFIERS USEFUL IN LUBE OIL COMPOSITIONS
失效
用于润滑油组合物的混合乙烯α烯烃共聚多官能度粘度调节剂
- 专利标题： MIXED ETHYLENE ALPHA OLEFIN COPOLYMER MULTIFUNCTIONAL VISCOSITY MODIFIERS USEFUL IN LUBE OIL COMPOSITIONS
- 专利标题（中）： 用于润滑油组合物的混合乙烯α烯烃共聚多官能度粘度调节剂
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申请号： EP94903420.1申请日： 1993-12-03
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公开(公告)号： EP0673407B1公开(公告)日： 1998-10-07
- 发明人: CHUNG, David, Yen-Lung , BRICE, Paul , SEARIS, Steven James , STRUGLINSKI, Mark, Joseph , GARDINER, John, Brooke
- 申请人： EXXON CHEMICAL PATENTS INC.
- 申请人地址： 1900 East Linden Avenue Linden, New Jersey 07036-0710 US
- 专利权人： EXXON CHEMICAL PATENTS INC.
- 当前专利权人： EXXON CHEMICAL PATENTS INC.
- 当前专利权人地址： 1900 East Linden Avenue Linden, New Jersey 07036-0710 US
- 代理机构： Mansell, Keith Rodney
- 优先权： US989418 19921211
- 国际公布： WO9413763 19940623
- 主分类号： C10M133/52
- IPC分类号： C10M133/52 ; C10M149/06 ; C08F8/32 ; C08F210/16 ; C08F255/04
摘要：
The present invention relates to novel multifunctional viscosity modifiers comprising a mixture of derivatized ethylene-alpha olefin copolymers, A and B. Said A copolymer comprising from about 30 to about 60 weight percent monomer units derived from ethylene and said B copolymer comprising from about 60 to about 80 weight percent units derived from ethylene.
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