Patent · US Expired

Azeotrope-like compositions of 4-trifluoromethyl-1,1,1,2,2,3,3,5,5,5-decafluoropentane

US5225099A · kind A · utility

8Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 16, 1992
Grant dateJul 6, 1993
Priority date
Expiry dateMar 16, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC23G5/02803
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Azeotrope-like compositions comprising 4-trifluoromethyl-1,1,1,2,2,3,3,5,5,5-decafluoropentane and a second component selected from the group consisting of methanol; ethanol; 1-propanol; 2-propanol; 2-methyl-2-propanol; 2-methyl-2-butanol; n-hexane; isohexane; 2-propanone; and 2-butanone and optionally nitromethane are stable and have utility as degreasing agents and as solvents in a variety of industrial cleaning applications including cold cleaning and defluxing of printed circuit boards and dry cleaning.

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