AU741563B2 - Viscosity improvers for lubricating oil compositions - Google Patents

Viscosity improvers for lubricating oil compositions Download PDF

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Publication number
AU741563B2
AU741563B2 AU16452/99A AU1645299A AU741563B2 AU 741563 B2 AU741563 B2 AU 741563B2 AU 16452/99 A AU16452/99 A AU 16452/99A AU 1645299 A AU1645299 A AU 1645299A AU 741563 B2 AU741563 B2 AU 741563B2
Authority
AU
Australia
Prior art keywords
parts
viscosity
oil
weight
lubricating
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU16452/99A
Other languages
English (en)
Other versions
AU1645299A (en
Inventor
Charles P Bryant
Joseph G. Seebauer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lubrizol Corp
Original Assignee
Lubrizol 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 Lubrizol Corp filed Critical Lubrizol Corp
Publication of AU1645299A publication Critical patent/AU1645299A/en
Application granted granted Critical
Publication of AU741563B2 publication Critical patent/AU741563B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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  • Lubricants (AREA)
  • Polymerisation Methods In General (AREA)
  • Graft Or Block Polymers (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
AU16452/99A 1998-02-18 1999-02-15 Viscosity improvers for lubricating oil compositions Ceased AU741563B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US7502998P 1998-02-18 1998-02-18
US60/075029 1998-02-18

Publications (2)

Publication Number Publication Date
AU1645299A AU1645299A (en) 1999-09-02
AU741563B2 true AU741563B2 (en) 2001-12-06

Family

ID=22123088

Family Applications (1)

Application Number Title Priority Date Filing Date
AU16452/99A Ceased AU741563B2 (en) 1998-02-18 1999-02-15 Viscosity improvers for lubricating oil compositions

Country Status (2)

Country Link
JP (1) JP4338807B2 (ja)
AU (1) AU741563B2 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004525231A (ja) * 2001-04-11 2004-08-19 ザ　ルブリゾル　コーポレイション オレフィン共重合体およびアクリル酸エステル共重合体を含有する潤滑剤
DE102004021778A1 (de) 2004-04-30 2005-12-08 Rohmax Additives Gmbh Verwendung von Polyalkyl(meth)acrylaten in Schmierölzusammensetzungen
US20050261142A1 (en) * 2004-05-18 2005-11-24 The Lubrizol Corporation, A Corporation Of The State Of Ohio Polymeric dispersant viscosity modifier composition
US20070117725A1 (en) * 2005-11-22 2007-05-24 Shih-Ying Hsu Acrylic synthetic lubricant
US8093191B2 (en) * 2005-12-15 2012-01-10 The Lubrizol Corporation Engine lubricant for improved fuel economy
DE102006027602A1 (de) * 2006-06-13 2007-12-20 Cognis Ip Management Gmbh Schmierstoffzusammensetzungen enthaltend Komplexester
CN111057180B (zh) * 2018-10-16 2021-12-17 中国石油化工股份有限公司 一种黏度指数改进剂及其制备方法、用途

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3251906A (en) * 1962-11-13 1966-05-17 Rohm & Haas Preparation of detergent oil-additive graft copolymers by delayed addition of a lower alkyl acrylate to a partially polymerized long chain alkyl acrylate
DE1420219A1 (de) * 1957-03-20 1968-11-14 Basf Ag Verfahren zur Herstellung oelloeslicher Mischpolymerisate
EP0393899A2 (en) * 1989-04-18 1990-10-24 Rohm And Haas Company Nitrogenous graft copolymers, hybrid copolymers of such graft copolymers with random nitrogenous copolymers, and methods for their preparation

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1420219A1 (de) * 1957-03-20 1968-11-14 Basf Ag Verfahren zur Herstellung oelloeslicher Mischpolymerisate
US3251906A (en) * 1962-11-13 1966-05-17 Rohm & Haas Preparation of detergent oil-additive graft copolymers by delayed addition of a lower alkyl acrylate to a partially polymerized long chain alkyl acrylate
EP0393899A2 (en) * 1989-04-18 1990-10-24 Rohm And Haas Company Nitrogenous graft copolymers, hybrid copolymers of such graft copolymers with random nitrogenous copolymers, and methods for their preparation

Also Published As

Publication number Publication date
JPH11279233A (ja) 1999-10-12
JP4338807B2 (ja) 2009-10-07
AU1645299A (en) 1999-09-02

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Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
MK14 Patent ceased section 143(a) (annual fees not paid) or expired