Patent · US Expired

Phosphorus compounds and their use as corrosion inhibitors for perfluoropolyethers

US6184187A · kind A · utility

39Cited by
13References
29Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1998
Grant dateFeb 6, 2001
Priority date
Expiry dateApr 7, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31544
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel phosphorus compounds are effective corrosion inhibitors for perfluoropolyether lubricating oils and greases, and hydraulic fluids.

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