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Patent Searching and Data


Title:
METHOD FOR MANUFACTURING EDIBLE OIL DETERIORATION PREVENTING MEMBER, AND EDIBLE OIL DETERIORATION PREVENTING MEMBER
Document Type and Number:
WIPO Patent Application WO/2015/020238
Kind Code:
A3
Abstract:
This method for manufacturing an edible oil deterioration preventing member is characterized by comprising: (1) a step for forming titanium nitride upon the surface of a titanium metal material or a titanium alloy material, using one treatment method selected from the group consisting of heat-treating under an ammonia gas atmosphere and heat-treating under a nitrogen gas atmosphere, at a heating temperature of 750°C or more; (2) a step for forming a titanium oxide film by subjecting the titanium metal material or the titanium alloy material with titanium nitride formed upon the surface thereof obtained at step (1) to anodization by applying a voltage of 10 V or more thereto in an electrolyte solution that does not have an etching effect on titanium; and (3) heat-treating the titanium metal material or the titanium alloy material with a titanium oxide film formed upon the surface thereof obtained at step (2) at a temperature of 400°C or more under an atmosphere selected from an air atmosphere, an oxygen gas atmosphere, and a mixed atmosphere of oxygen gas and nitrogen gas.

Inventors:
TAKAYASU TERUKI (JP)
MORI SHINGO (JP)
Application Number:
PCT/JP2014/080413
Publication Date:
April 23, 2015
Filing Date:
November 18, 2014
Export Citation:
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Assignee:
SHOWA CO LTD (JP)
MORI KOSAN CO LTD (JP)
International Classes:
C23F17/00; A47J37/12; C23C8/24; C25D11/26
Domestic Patent References:
WO2007023543A12007-03-01
Foreign References:
JP2011200406A2011-10-13
JPH0919612A1997-01-21
JP2005240139A2005-09-08
JPH059790A1993-01-19
JPH09263929A1997-10-07
JP2009097060A2009-05-07
JP2001199725A2001-07-24
JPH11279749A1999-10-12
JPH08246192A1996-09-24
Other References:
See also references of EP 3088568A4
Attorney, Agent or Firm:
SAEGUSA & PARTNERS (1-7-1 Doshomachi, Chuo-ku, Osaka-sh, Osaka 45, JP)
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