Patent · US Active

Metalworking oil composition

US8227387B2 · kind B2 · utility

2Cited by

9References

1Claims

0Family size

Assignee

NIPPON OIL CORPORATION · JP

Inventors

Kazuo Tagawa · Yokohama, JP
Yuji Shimomura · Yokohama, JP
Ken Sawada · Yokohama, JP
Katsuya Takigawa · Yokohama, JP
Toshio Yoshida · Ibaraki, JP
Shinichi Mitsumoto · Yokohama, JP
Eiji Akiyama · Yokohama, JP
Junichi Shibata · Yokohama, JP
Satoshi Suda · Wako, JP
Hideo Yokota · Yokohama, JP
Masahiro Hata · Yokohama, JP
Hiroyuki Hoshino · Kawasaki, JP
Hajime Nakao · Adumino, JP
Shozaburo Konishi · Yokohama, JP

Key dates

Filing date	Nov 1, 2011
Grant date	Jul 24, 2012
Priority date	—
Expiry date	Nov 1, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC10N2080/00
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention provides a refrigerating machine oil, a compressor oil composition, a hydraulic oil composition, a metalworking oil composition, a heat treating oil composition, a lubricating oil composition for machine tools and a lubricating oil composition which comprise a lubricating oil base oil having % CA of not more than 2, % CP/% CN of not less than 6 and an iodine value of not more than 2.5.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.