Patent · US Expired

Compositions containing 1,1,1,2-tetrafluoroethane and methyl chloride and use of these compositions

US5294358A · kind A · utility

8Cited by

8References

4Claims

0Family size

Assignee

SOLVAY (Société Anonyme) · BE

Inventors

Paul Dantinne · Brussels, BE
Pierre Barthelemy · Jodoigne, BE
Dominique Balthasart · Brussels, BE

Key dates

Filing date	Dec 30, 1991
Grant date	Mar 15, 1994
Priority date	—
Expiry date	Dec 30, 2011

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S521/91
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

A composition including from 40 to 55 mol % of 1,1,1,,2-tetrafluoroethane and from 45 to 60 mol % of methyl chloride; and a composition including from 68 to 75 mol % of 1,1,1,2-tetrafluoroethane and from 25 to 32 mol % of methyl chloride. These compositions are useful as porogenic agents for polystyrene, as refrigerating fluids, and as blowing agents for polyurethane and polyolefin foams.

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