SG81254A1 - Highly grafted, multi-functional olefin copolymer vi modifiers - Google Patents

Highly grafted, multi-functional olefin copolymer vi modifiers

Info

Publication number
SG81254A1
SG81254A1 SG9805606A SG1998005606A SG81254A1 SG 81254 A1 SG81254 A1 SG 81254A1 SG 9805606 A SG9805606 A SG 9805606A SG 1998005606 A SG1998005606 A SG 1998005606A SG 81254 A1 SG81254 A1 SG 81254A1
Authority
SG
Singapore
Prior art keywords
modifiers
olefin copolymer
functional olefin
highly grafted
grafted
Prior art date
Application number
SG9805606A
Inventor
J Valcho Joseph
Thomas Devlin Mark
Rees Mark
Growcott Peter
J Olivier Errol
Original Assignee
Ethyl Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ethyl Corp filed Critical Ethyl Corp
Priority to SG9805606A priority Critical patent/SG81254A1/en
Publication of SG81254A1 publication Critical patent/SG81254A1/en

Links

SG9805606A 1998-12-12 1998-12-12 Highly grafted, multi-functional olefin copolymer vi modifiers SG81254A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SG9805606A SG81254A1 (en) 1998-12-12 1998-12-12 Highly grafted, multi-functional olefin copolymer vi modifiers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SG9805606A SG81254A1 (en) 1998-12-12 1998-12-12 Highly grafted, multi-functional olefin copolymer vi modifiers

Publications (1)

Publication Number Publication Date
SG81254A1 true SG81254A1 (en) 2001-06-19

Family

ID=20430176

Family Applications (1)

Application Number Title Priority Date Filing Date
SG9805606A SG81254A1 (en) 1998-12-12 1998-12-12 Highly grafted, multi-functional olefin copolymer vi modifiers

Country Status (1)

Country Link
SG (1) SG81254A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219432A (en) * 1979-02-14 1980-08-26 Exxon Research & Engineering Co. Stabilized amide-imide graft of ethylene copolymeric additives for lubricants
DE3025274A1 (en) * 1979-07-03 1981-01-08 Exxon Research Engineering Co VISCOSITY INDEX-IMPROVING POLYMERS OF LUBRICANTS AND METHOD FOR THEIR PRODUCTION
US5244590A (en) * 1989-10-12 1993-09-14 Exxon Chemical Patents Inc. Viscosity index improver
US5312556A (en) * 1989-10-12 1994-05-17 Exxon Chemical Patents Inc. Multifunctional viscosity index improver derived from polyamine containing one primary amine group and at least one tertiary amine group and degraded ethylene copolymer
US5424367A (en) * 1991-12-13 1995-06-13 Exxon Chemical Patents Inc. Multiple reaction process in melt processing equipment
US5439607A (en) * 1993-12-30 1995-08-08 Exxon Chemical Patents Inc. Multifunctional viscosity index improver-dispersant antioxidant
US5540851A (en) * 1995-03-02 1996-07-30 The Lubrizol Corporation Dispersant-viscosity improvers for lubricating oil compositions

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4219432A (en) * 1979-02-14 1980-08-26 Exxon Research & Engineering Co. Stabilized amide-imide graft of ethylene copolymeric additives for lubricants
DE3025274A1 (en) * 1979-07-03 1981-01-08 Exxon Research Engineering Co VISCOSITY INDEX-IMPROVING POLYMERS OF LUBRICANTS AND METHOD FOR THEIR PRODUCTION
US5244590A (en) * 1989-10-12 1993-09-14 Exxon Chemical Patents Inc. Viscosity index improver
US5312556A (en) * 1989-10-12 1994-05-17 Exxon Chemical Patents Inc. Multifunctional viscosity index improver derived from polyamine containing one primary amine group and at least one tertiary amine group and degraded ethylene copolymer
US5424367A (en) * 1991-12-13 1995-06-13 Exxon Chemical Patents Inc. Multiple reaction process in melt processing equipment
US5439607A (en) * 1993-12-30 1995-08-08 Exxon Chemical Patents Inc. Multifunctional viscosity index improver-dispersant antioxidant
US5540851A (en) * 1995-03-02 1996-07-30 The Lubrizol Corporation Dispersant-viscosity improvers for lubricating oil compositions

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