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:
Mar. 23, 1999
Filed:
Nov. 24, 1997
Gunilla Jadesjo, Kungalv, SE;
Gunnil Jonsson, Nol, SE;
EKA Chemicals AB, Bohus, SE;
Abstract
The invention relates to a composition suitable for cleaning disinfection and bleaching comprising an acidic aqueous solution of hydrogen peroxide, a surfactant, and a phosphonic acid based complexing agent selected from biodegradable 1-aminoalkane-1,1-diphosphonic acids, or salts thereof, of the formula: ##STR1## wherein R.sub.1 is selected from hydrogen, C.sub.1 -C.sub.4 alkyl and phenyl; R.sub.2 and R.sub.3, independently from each other, are selected from hydrogen, C.sub.1 -C.sub.22 alkyl, C.sub.5 -C.sub.6 cycloalkyl, phenyl, C.sub.7 -C.sub.18 alkylphenyl, C.sub.7 -C.sub.18 phenylalkyl, a C.sub.1 -C.sub.10 alkanol radical, a carboxy alkyl radical having up to 10 carbon atoms, wherein R.sub.2 and R.sub.3 together with the nitrogen atom can form a piperidino, pyrrolidino or a morpholino group; and X.sub.1 to X.sub.4, independently from each other, are selected from hydrogen, alkali metal and ammonium. The invention also relates to use of such a composition for disinfection, bleaching, removal of stains from textiles, or removal of lime deposits.