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. 28, 1993
Filed:
Aug. 17, 1992
Applicant:
Inventors:
George M Lein, Chalfont, PA (US);
Robert M Weinheimer, Charleston, WV (US);
Assignee:
Rohm and Haas Company, Philadelphia, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C11D / ; C11D / ; C11D / ;
U.S. Cl.
CPC ...
252103 ; 252 95 ; 252156 ; 252173 ; 25217424 ; 2521861 ; 25218723 ; 25218726 ;
Abstract
The present invention relates to alkaline, aqueous cleaning concentrates and cleaning solutions comprising a solution of an alkali metal hydroxide, an active chlorine source, water soluble copolymers of a monoethylenically unsaturated dicarboxylic acid and monoethylenically unsaturated monocarboxylic acid, water and optionally an alkali metal silicate. These cleaning solutions are useful for the cleaning of food soils, more specifically, are useful for the removal of milk soils from cold and hot surfaces without the use of phosphate builders.