Title:
HEAT TREATMENT OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2021/157612
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a heat treatment oil composition which contains a sulfur compound and is capable of improving the brilliance of a metal material after heat treatment such as quenching, without excessively increasing the sulfur content. Therefore, the problem is solved by a heat treatment oil composition containing: one or more base oils (A) selected from the group consisting of a mineral oil (A1), a synthetic oil (A2), and a vegetable oil (A3); and one or more sulfur-containing aromatic compounds (B) selected from the group consisting of specific sulfides (B1) and specific sulfones (B2).
Inventors:
SUGIURA TAKAHITO (JP)
Application Number:
PCT/JP2021/003929
Publication Date:
August 12, 2021
Filing Date:
February 03, 2021
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M135/08; C10M135/28; C21D1/58; C10N20/04; C10N30/00; C10N40/20
Foreign References:
| JPS61106710A | 1986-05-24 | |||
| JPH06136435A | 1994-05-17 | |||
| JP2016132819A | 2016-07-25 | |||
| JP2010209422A | 2010-09-24 |
Attorney, Agent or Firm:
OHTANI PATENT OFFICE (JP)
Download PDF:
Previous Patent: FOREIGN SUBSTANCE SEGREGATION DEVICE
Next Patent: PYRAZOLE DERIVATIVE, AND PHARMACEUTICAL COMPOSITION
Next Patent: PYRAZOLE DERIVATIVE, AND PHARMACEUTICAL COMPOSITION