CA2370468A1 - Hydraulic fluid - Google Patents

Hydraulic fluid Download PDF

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Publication number
CA2370468A1
CA2370468A1 CA002370468A CA2370468A CA2370468A1 CA 2370468 A1 CA2370468 A1 CA 2370468A1 CA 002370468 A CA002370468 A CA 002370468A CA 2370468 A CA2370468 A CA 2370468A CA 2370468 A1 CA2370468 A1 CA 2370468A1
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Canada
Prior art keywords
amide
mono
hydraulic fluid
ester
optionally
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Granted
Application number
CA002370468A
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French (fr)
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CA2370468C (en
Inventor
Andrew John Holmes
Cameron William Watson
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Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij B.V.
Andrew John Holmes
Cameron William Watson
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Publication of CA2370468A1 publication Critical patent/CA2370468A1/en
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Publication of CA2370468C publication Critical patent/CA2370468C/en
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    • C10M135/00—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing sulfur, selenium or tellurium
    • C10M135/12—Thio-acids; Thiocyanates; Derivatives thereof
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    • C10M129/02—Lubricating compositions characterised by the additive being an organic non-macromolecular compound containing oxygen having a carbon chain of less than 30 atoms
    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/28—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M129/30—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 7 or less carbon atoms
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    • C10M129/26—Carboxylic acids; Salts thereof
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    • C10M129/38—Carboxylic acids; Salts thereof having carboxyl groups bound to acyclic or cycloaliphatic carbon atoms having 8 or more carbon atoms
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    • C10M129/26—Carboxylic acids; Salts thereof
    • C10M129/48—Carboxylic acids; Salts thereof having carboxyl groups bound to a carbon atom of a six-membered aromatic ring
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    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/02—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions having no phosphorus-to-carbon bonds
    • C10M2223/04—Phosphate esters
    • C10M2223/045—Metal containing thio derivatives
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/08—Hydraulic fluids, e.g. brake-fluids

Abstract

A hydraulic fluid comprising a lubricant base oil in combination with (a) from 0.001 to 5 %wt of magnesium salicylate, (b) from 0.01 to 8 %wt of zinc dithiophosphate, and optionally (c) from 0.001 to 5 %wt of a dicarboxylic acid or its mono- or di-ester or its mono-amide or di-amide or imide containing in total between 4 and 70 carbon atoms; and an additive package comprising magnesium salicylate, zinc dithiophosphate and optionally a dicarboxylic acid or its mono- or di-ester or its mono-amide or di-amide or imide containing in total between 4 and 70 carbon.
CA002370468A 1999-04-14 2000-04-11 Hydraulic fluid Expired - Fee Related CA2370468C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP99302883.6 1999-04-14
EP99302883 1999-04-14
PCT/EP2000/003258 WO2000063325A1 (en) 1999-04-14 2000-04-11 Hydraulic fluid

Publications (2)

Publication Number Publication Date
CA2370468A1 true CA2370468A1 (en) 2000-10-26
CA2370468C CA2370468C (en) 2008-01-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CA002370468A Expired - Fee Related CA2370468C (en) 1999-04-14 2000-04-11 Hydraulic fluid

Country Status (9)

Country Link
EP (1) EP1173534B1 (en)
JP (1) JP5378632B2 (en)
KR (1) KR100697579B1 (en)
CN (1) CN1229477C (en)
AU (1) AU762520B2 (en)
BR (1) BR0009738B1 (en)
CA (1) CA2370468C (en)
WO (1) WO2000063325A1 (en)
ZA (1) ZA200108402B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0011115D0 (en) 2000-05-09 2000-06-28 Infineum Int Ltd Lubricating oil compositions
US7563751B2 (en) 2002-08-05 2009-07-21 Nippon Oil Corporation Lubricating oil composition
US20080139430A1 (en) * 2006-12-08 2008-06-12 Lam William Y Additives and lubricant formulations for improved antiwear properties
US20100029525A1 (en) 2008-07-31 2010-02-04 Chevron Oronite Company Llc Antiwear hydraulic fluid composition with useful emulsifying and rust prevention properties
JP5875952B2 (en) * 2012-07-12 2016-03-02 コスモ石油ルブリカンツ株式会社 Lubricating oil composition for agricultural machinery
JP6714503B2 (en) * 2016-12-28 2020-06-24 シェルルブリカンツジャパン株式会社 Lubricating oil composition for hydraulic actuator equipped with electronic control device
EP4130206A4 (en) * 2020-03-30 2023-12-27 China Petroleum & Chemical Corporation Fuel lubricity improver and application thereof
CN115537242B (en) * 2021-06-30 2023-11-10 中国石油化工股份有限公司 Diesel antiwear agent composition, preparation method thereof and diesel oil composition

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Publication number Priority date Publication date Assignee Title
US4627928A (en) * 1976-08-26 1986-12-09 The Lubrizol Corporation Basic non-carbonated magnesium compositions and fuel, lubricant and additive concentrate compositions containing same
GB2115000B (en) * 1982-02-17 1985-02-06 Shell Int Research Lubricating oils and hydraulic fluids
GB8929096D0 (en) * 1989-12-22 1990-02-28 Ethyl Petroleum Additives Ltd Metal free lubricants
ATE123517T1 (en) * 1991-05-01 1995-06-15 Lubrizol Corp THERMALLY STABLE COMPOSITIONS AND LUBRICANTS AND FUNCTIONAL LIQUIDS CONTAINING THEM.
CA2086970A1 (en) * 1992-01-24 1993-07-25 Michelle M. Cervenka Low ash lubricating oil compositions
JP3151784B2 (en) * 1992-05-01 2001-04-03 出光興産株式会社 Heat resistant hydraulic oil composition
JPH07316577A (en) * 1994-05-20 1995-12-05 Tonen Corp Lubricant oil composition
DE69604832T2 (en) * 1995-09-14 2000-04-27 Infineum Usa Lp LUBRICANT COMPOSITIONS FOR CRANKCASE
US5558802A (en) * 1995-09-14 1996-09-24 Exxon Chemical Patents Inc Multigrade crankcase lubricants with low temperature pumpability and low volatility

Also Published As

Publication number Publication date
EP1173534B1 (en) 2017-05-17
CN1349556A (en) 2002-05-15
ZA200108402B (en) 2002-12-24
CN1229477C (en) 2005-11-30
AU762520B2 (en) 2003-06-26
JP2002542378A (en) 2002-12-10
EP1173534A1 (en) 2002-01-23
JP5378632B2 (en) 2013-12-25
WO2000063325A1 (en) 2000-10-26
CA2370468C (en) 2008-01-15
KR20020010602A (en) 2002-02-04
AU3820300A (en) 2000-11-02
BR0009738A (en) 2002-01-22
KR100697579B1 (en) 2007-03-22
BR0009738B1 (en) 2011-01-25

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