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Title:
熱処理油組成物
Document Type and Number:
Japanese Patent JP5060753
Kind Code:
B2
Abstract:

To provide a heat-treatment oil composition comprising an oil-based heat-treatment oil, having high cooling performance and generating suppressed amount of lampblack in the heat-treatment such as hardening process and provide a heat-treatment oil composition causing little change of the cooling performance with time.

The heat-treatment oil composition is produced by compounding a vapor-film breaking agent to a base oil composed of a hydrogenated α-olefin oligomer having a kinematic viscosity of 4-15 mm2/s at 40°C.

COPYRIGHT: (C)2008,JPO&INPIT


Inventors:
Katsumi Ichitani
Application Number:
JP2006251229A
Publication Date:
October 31, 2012
Filing Date:
September 15, 2006
Export Citation:
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Assignee:
IDEMITSU KOSAN CO.,LTD.
International Classes:
C21D1/58; C10M107/02; C10M143/04; C10M143/06; C10M159/04; C10M169/04; C10N20/02; C10N40/20
Domestic Patent References:
JP2008013819A
JP5279730A
JP2005513200A
JP2005513201A
Foreign References:
WO2005087955A1
Attorney, Agent or Firm:
Tamotsu Otani
Masamichi Tohei



 
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