Patent · US Expired

Cleaning compositions formed of hydrogen-containing fluorochlorohydrocarbons and partially fluorinated alkanols

US5135676A · kind A · utility

8Cited by

6References

6Claims

0Family size

Assignee

Kali-Chemie Aktiengesellschaft · DE

Inventors

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

Key dates

Filing date	Nov 5, 1990
Grant date	Aug 4, 1992
Priority date	—
Expiry date	Nov 5, 2010

Classification

Technology area (CPC H)Electricity
CPC primaryH05K3/26
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Compositions suitable for use in cleaning processes formed of hydrogen-containing fluorochlorohydrocarbons selected from the group of consisting of tetrachloromonofluoroethanes, trichlorodifluoroethanes, dichlorotrifluoroethanes, dichloromonofluoroethanes and dichloropentafluoropropanes or a mixture one or more of these hydrogen-containing fluorochlorohydrocarbons in admixture with partially fluorinated alkanols containing two to four carbon atoms.

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