ZA708339B - Block copolymers as viscosity index improvers - Google Patents

Block copolymers as viscosity index improvers

Info

Publication number
ZA708339B
ZA708339B ZA708339A ZA708339A ZA708339B ZA 708339 B ZA708339 B ZA 708339B ZA 708339 A ZA708339 A ZA 708339A ZA 708339 A ZA708339 A ZA 708339A ZA 708339 B ZA708339 B ZA 708339B
Authority
ZA
South Africa
Prior art keywords
block copolymers
viscosity index
index improvers
improvers
viscosity
Prior art date
Application number
ZA708339A
Other languages
English (en)
Inventor
W Anderson
Original Assignee
Shell Int Research
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 Int Research filed Critical Shell Int Research
Publication of ZA708339B publication Critical patent/ZA708339B/xx

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)
ZA708339A 1969-12-12 1970-12-10 Block copolymers as viscosity index improvers ZA708339B (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
ZA708339B true ZA708339B (en) 1971-09-29

Family

ID=25385238

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA708339A ZA708339B (en) 1969-12-12 1970-12-10 Block copolymers as viscosity index improvers

Country Status (4)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466192U (enExample) * 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
JPS5137285B1 (enExample) 1976-10-14
CA921897A (en) 1973-02-27
SE367648B (enExample) 1974-06-04

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