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Title:
RUST PREVENTIVE OIL COMPOSITION AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2020/184436
Kind Code:
A1
Abstract:
Provided are a rust preventive oil composition and a method for producing the rust preventive oil composition, wherein the rust preventive oil composition has excellent rust preventive and easy degreasing properties and contains components (A)-(F): (A) a base oil having a kinetic viscosity at 40°C of 5.0mm2/s to 30.0 mm2/s; (B) a metal sulfonate having a base number of 50 mgKOH/g or less; (C) a per-basic metal sulfonate having a base number of 300 mgKOH/g or more; (D) a wax having an acid number of 10 mgKOH/g or more; (E) a full ester of a polyhydric alcohol; and (F) a partial ester of a polyhydric alcohol, wherein the contents of the components (D), (E), and (F) with respect to the total amount of the components (A)-(F) are 4.1 mass% or more, 1.1 mass% or more, and 1.1-5.0 mass% (exclusive of 5.0 mass%), respectively.

Inventors:
TAMAKI MASAKI (JP)
NAGASE NAOKI (JP)
Application Number:
PCT/JP2020/009682
Publication Date:
September 17, 2020
Filing Date:
March 06, 2020
Export Citation:
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Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C23F11/00; C10M129/74; C10M129/76; C10M135/10; C10M143/00; C10M159/24; C10M163/00; C10N10/04; C10N20/00; C10N20/02; C10N30/12; C10N40/20
Domestic Patent References:
WO2004094575A12004-11-04
WO2017170868A12017-10-05
Foreign References:
JPH0762568A1995-03-07
JP2001089798A2001-04-03
JP2015140367A2015-08-03
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
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