Patent · US Expired

Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 1,1-dichloro-1-fluoroethane

US5759438A · kind A · utility

8Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 1997
Grant dateJun 2, 1998
Priority date
Expiry dateJul 7, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2375/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Azeotrope-like compositions of 1,1,1,3,3-pentafluoropropane and 1,1-dichloro-1-fluoroethane are provided. The compositions of the invention are useful in the preparation of polyurethane and polyisocyanurate foams and as aerosol propellants.

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