Patent · US Expired

Dichloropentafluoropropanes and acetone compositions

US5120462A · kind A · utility

6Cited by

3References

11Claims

0Family size

Assignee

Kali-Chemie Aktiengesellschaft · DE

Inventors

Hans Buchwald · Ronnenberg, DE
Andreas Brackmann · Hannover, DE
Boleslaus Raszkowski · Wiedensahl, DE

Key dates

Filing date	Apr 1, 1991
Grant date	Jun 9, 1992
Priority date	—
Expiry date	Apr 1, 2011

Classification

Technology area (CPC G)Physics
CPC primaryG03G11/00
WIPO fieldOptics
WIPO sectorInstruments

Abstract

Azeotropic and azeotrope-like compositions composed of dichloropentafluoropropanes and acetone are described which are suitable for use in cleaning processes and in printing and copying processes for fixing toner based on polystyrene.

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