Use of low GWP refrigerants comprising CF3I with stable lubricants

US9920230B2 · kind B2 · utility

Assignee

• HONEYWELL INTERNATIONAL INC. · US

Inventors

• Raymond H. Thomas · Pendleton, US
• Rajiv R. Singh · Getzville, US
• George J. Samuels · Williamsville, US
• Ian Shankland · Williamsville, US
• David P. Wilson · Williamsville, US
• Roy P. Robinson · Cheektowaga, US
• Michael Van Der Puy · Amherst, US
• John L. Welch · Buffalo, US
• Gregory J. Shafer · Newark, US
• Mark W. Spatz · East Amherst, US
• Ryan Hulse · Getzville, US

Key dates

• Filing date: Feb 8, 2011
• Grant date: Mar 20, 2018
• Expiry date: Feb 8, 2031

Classification

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

Abstract

The invention pertains to heat transfer compositions, particularly to automobile refrigerants comprising a hydrofluoroalkene, an iodocarbon, and at least one lubricant having hydrogen atoms and carbon atoms, wherein no more than 17% of the total number of hydrogen atoms which are attached to a carbon atom are tertiary hydrogen atoms.