CA921897A - Block copolymers as viscosity index improvers - Google Patents

Block copolymers as viscosity index improvers

Info

Publication number
CA921897A
CA921897A CA100310A CA100310A CA921897A CA 921897 A CA921897 A CA 921897A CA 100310 A CA100310 A CA 100310A CA 100310 A CA100310 A CA 100310A CA 921897 A CA921897 A CA 921897A
Authority
CA
Canada
Prior art keywords
block copolymers
viscosity index
index improvers
improvers
viscosity
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.)
Expired
Application number
CA100310A
Other versions
CA100310S (en
Inventor
S. Anderson William
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Shell Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Application granted granted Critical
Publication of CA921897A publication Critical patent/CA921897A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/06—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing butene
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M143/00—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation
    • C10M143/10—Lubricating compositions characterised by the additive being a macromolecular hydrocarbon or such hydrocarbon modified by oxidation containing aromatic monomer, e.g. styrene
    • C—CHEMISTRY; METALLURGY
    • 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
    • C10M157/00—Lubricating compositions characterised by the additive being a mixture of two or more macromolecular compounds covered by more than one of the main groups C10M143/00 - C10M155/00, each of these compounds being essential

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)
CA100310A 1969-12-12 1970-12-10 Block copolymers as viscosity index improvers Expired CA921897A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88472169A 1969-12-12 1969-12-12

Publications (1)

Publication Number Publication Date
CA921897A true CA921897A (en) 1973-02-27

Family

ID=25385238

Family Applications (1)

Application Number Title Priority Date Filing Date
CA100310A Expired CA921897A (en) 1969-12-12 1970-12-10 Block copolymers as viscosity index improvers

Country Status (4)

Country Link
JP (1) JPS5137285B1 (en)
CA (1) CA921897A (en)
SE (1) SE367648B (en)
ZA (1) ZA708339B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466192U (en) * 1977-10-19 1979-05-10
US6303550B1 (en) * 1998-11-06 2001-10-16 Infineum Usa L.P. Lubricating oil composition

Also Published As

Publication number Publication date
ZA708339B (en) 1971-09-29
SE367648B (en) 1974-06-04
JPS5137285B1 (en) 1976-10-14

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