Hydrofluorocarbon/trifluoroiodomethane/ hydrocarbons refrigerant compositions

US9938442B2 · kind B2 · utility

Assignee

• HONEYWELL INTERNATIONAL INC. · US

Inventors

• Mark W. Spatz · East Amherst, US
• Raymond H. Thomas · Pendleton, US
• Rajiv R. Singh · Getzville, US
• Samuel F. Yana Motta · East Amherst, US
• David P. Wilson · Williamsville, US
• Elizabet del Carmen Vera Becerra · Williamsville, US

Key dates

• Filing date: Nov 16, 2007
• Grant date: Apr 10, 2018
• Expiry date: Nov 16, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2040/30
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A composition comprising from about 40 weight percent to about 99.9 weight percent of at least one C1-C5 hydrofluorocarbon, from about 0.1 weight percent to about 50 weight percent of CF3I, and from about 0.1 weight percent to about 10 weight percent of at least one C1-C6 hydrocarbon and the use of these composition for in methods of the recharging of refrigeration systems.