The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 21, 1993
Filed:
Aug. 27, 1991
Applicant:
Inventors:
Hans Buchwald, Ronnenberg, DE;
Andreas Brackmann, Hanover, DE;
Boleslaus Raschkowski, Wiedensahl, DE;
Assignee:
Kali-Chemie AG, Hanover, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ; C23G / ;
U.S. Cl.
CPC ...
252153 ; 134 38 ; 134 40 ; 134 42 ; 252162 ; 252170 ; 252171 ; 252364 ; 252546 ; 252558 ; 25217421 ;
Abstract
Fluorochlorohydrocarbon-free cleaning compositions composed of from 80 to 99.5 percent by weight of an alcohol or partially fluorinated alcohol having 2 to 4 carbon atoms and 0.5 to 10 percent by weight of at least one surface-active agent selected from ammonium salts of alkyl benzene sulfonates and mixtures of fatty acid alkanolamides and alkyl phenol polyglycol ethers, and 0 to 10 percent by weight of deionized water.