KR930011075B1 - Lubricating oil addition and its composition - Google Patents

Lubricating oil addition and its composition

Info

Publication number
KR930011075B1
KR930011075B1 KR9105877A KR910005877A KR930011075B1 KR 930011075 B1 KR930011075 B1 KR 930011075B1 KR 9105877 A KR9105877 A KR 9105877A KR 910005877 A KR910005877 A KR 910005877A KR 930011075 B1 KR930011075 B1 KR 930011075B1
Authority
KR
South Korea
Prior art keywords
dap
composition
lubricating oil
oil addition
alkyl
Prior art date
Application number
KR9105877A
Other languages
Korean (ko)
Other versions
KR920019913A (en
Inventor
O-Kwan Kwon
Ung-Su Choe
Original Assignee
Korea Inst Sci & Tech
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 Korea Inst Sci & Tech filed Critical Korea Inst Sci & Tech
Priority to KR9105877A priority Critical patent/KR930011075B1/en
Publication of KR920019913A publication Critical patent/KR920019913A/en
Application granted granted Critical
Publication of KR930011075B1 publication Critical patent/KR930011075B1/en

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
    • C10M127/00—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon
    • C10M127/04—Lubricating compositions characterised by the additive being a non- macromolecular hydrocarbon well-defined aromatic

Landscapes

  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Lubricants (AREA)

Abstract

The composition comprises di-alkyl 4-hydroxy-3, 5-di-t- butyl-benzyl phosphonate (DAP), lubricant oil, DAP. The carbon- number of alkyl in DAP is 1 or 20. Alkyl is methyl, ethyl, butyl and octyl. A formula, where the content of DAP is 0.2 or 3.0 weight %, the formula including oil soluble emulsifier where the content of the oil soluble emulsifier is, 0.1 or 4.0 weight %.
KR9105877A 1991-04-12 1991-04-12 Lubricating oil addition and its composition KR930011075B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR9105877A KR930011075B1 (en) 1991-04-12 1991-04-12 Lubricating oil addition and its composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR9105877A KR930011075B1 (en) 1991-04-12 1991-04-12 Lubricating oil addition and its composition

Publications (2)

Publication Number Publication Date
KR920019913A KR920019913A (en) 1992-11-20
KR930011075B1 true KR930011075B1 (en) 1993-11-20

Family

ID=19313190

Family Applications (1)

Application Number Title Priority Date Filing Date
KR9105877A KR930011075B1 (en) 1991-04-12 1991-04-12 Lubricating oil addition and its composition

Country Status (1)

Country Link
KR (1) KR930011075B1 (en)

Also Published As

Publication number Publication date
KR920019913A (en) 1992-11-20

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Legal Events

Date Code Title Description
A201 Request for examination
G160 Decision to publish patent application
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 19990712

Year of fee payment: 7

LAPS Lapse due to unpaid annual fee