Azeotrope-like compositions of tetrafluoropropene and pentafluoropropene

• US 20060022166A1
• Filed: 04/18/2005
• Published: 02/02/2006
• Est. Priority Date: 04/16/2004
• Status: Active Grant

• Current Assignee: Honeywell International Inc.
• Original Assignee: Honeywell International Inc.
• Inventors: Singh, Rajiv R., Pham, Hang T., Nalewajek, David, Thomas, Raymond H., Wilson, David P.
• Granted Patent: US 7,605,117 B2
• Time in Patent Office: Days
• US Class Current: 252/68
• CPC Class Codes: C08J 2207/04 Aerosol, e.g. polyurethane foam spray
• CPC Class Codes: C08J 9/144 containing carbon, halogen and hydrogen only
• CPC Class Codes: C09K 2205/126 Unsaturated fluorinated hydrocarbons
• CPC Class Codes: C09K 2205/22 All components of a mixture being fluoro compounds
• CPC Class Codes: C09K 3/30 for aerosols aerosol containers B65D83/14
• CPC Class Codes: C09K 5/045 containing only fluorine as halogen
• CPC Class Codes: C10M 171/008 Lubricant compositions compatible with refrigerants
• CPC Class Codes: C10M 2207/042 Epoxides
• CPC Class Codes: C10N 2020/101 Containing Hydrofluorocarbons
• CPC Class Codes: C11D 7/5063 Halogenated hydrocarbons containing heteroatoms, e.g. fluoro alcohols
• CPC Class Codes: F25B 9/006 the refrigerant containing more than one component F25B9/004 takes precedence

Abstract

Provided are azeotrope-like compositions comprising tetrafluoropropene and pentafluoropropene and uses thereof, including use in refrigerant compositions, blowing agent compositions, foamable compositions, foams, sterilant compositions, sprayable compositions, and systems and methods using same.

Claims