Patent · US Expired

Internal-olefin composition and base oil comprising the composition for oil drilling

US7718580B2 · kind B2 · utility

3Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 2, 2005
Grant dateMay 18, 2010
Priority date
Expiry dateFeb 13, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S507/905
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides an internal olefin composition comprising a mixture of 60 to 80% by mass of an olefin having 16 carbon atoms and 40 to 20% by mass of an olefin having 18 carbon atoms wherein a content of an α-olefin in the mixture is 10% by mass or less, and a content of a branched olefin in the mixture is 10% by mass or less, which has a good biodegradability even when discharged into the environments, a less toxicity against marine organisms, etc., and a sufficient fluidity when used as a base oil for oil drilling, etc.

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