Patent · US Expired

Compositions comprising chlorine-free, optionally hydrogen-containing fluorocarbons

US5476603A · kind A · utility

6Cited by

4References

19Claims

0Family size

Assignee

SOLVAY FLUOR und DERIVATE GmbH · DE

Inventors

Hans Buchwald · Ronnenberg, DE
Joachim Hellmann · Hannover, DE
Boleslaus Raszkowski · Wiedensahl, DE

Key dates

Filing date	Jun 21, 1994
Grant date	Dec 19, 1995
Priority date	—
Expiry date	Jun 21, 2014

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29C33/64
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

Compositions which are liquefied under pressure, are suitable as release agents and comprise a fluorocarbon (FC) from the group comprising R134a, R143a, R125, R32, R143, R134, R23, R152a, R14 and R116 and an agent having a releasing action and, if appropriate, other additives, customary for release agents are described; the compositions with the hydrogen-containing fluorocarbons (HFC) mentioned are preferred here. The use of the compositions as release agents and a process for their preparation are likewise described.

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