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Molecular Biology

Solid-cleaner

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Solid cleaner

Details

Inventors: Groth, Dale W.; Klos, Terry J.; Cleary, Margaret M.;
Assignee: Ecolab Inc. (St. Paul, MN)
Primary Examiner: Lieberman; Paul
Assistant Examiner: McGinty; Douglas J.
Attorney, Agent or Firm: Merchant, Gould, Smith, Edell, Welter & Schmidt

Improved cleaners for hard surfaces, cooking utensils, laundry and other substrates that can accumulate fatty soils can be cleaned using an aqueous cleaner made from a cast solid cleaning system. The cast solid system contains a carefully balanced formulation of cleaning ingredients that provide surprising animal or vegetable fat removing properties. The cleaning system can be manufactured in the form of a large bulk cast block. Such blocks are dispensed by spraying a dispensing spray of water onto the surface of the block creating an aqueous concentrate that can be directed to a cleaning site. The solid composition contains a unique blend of a specific amine oxide combined with anionic sulfonates in a solvent containing mass. These unique components cooperate to provide a substantial level of animal or vegetable fat removal in preferred cleaning protocols.

DETAILED DESCRIPTION We claim: 1.
A solid cast cleaning composition consisting essentially of: (a) an amine oxide surfactant of the formula: ##STR3## wherein R is a C.
sub.
1-4 alkyl and R.
sup.
1 comprises a C.
sub.
12-16 alkyl; (b) an anionic surfactant system comprising a blend of an alkyl sulfate or an alkyl ether sulfate of the formula: R.
sup.
2 --O--SO.
sub.
3 X.
sup.
+ and an anionic sulfonate surfactant of the formula: R.
sup.
3 --SO.
sub.
3.
sup.
- X.
sup.
+ ; wherein R.
sup.
2 is a C.
sub.
6-24 alkyl group, a group of the formula: C.
sub.
6-24 alkyl--(OCH.
sub.
2 CH.
sub.
2).
sub.
n -- R.
sup.
3 is R.
sup.
2 or a C.
sub.
1 C.
sub.
24 alkyl substituted benzene group, n is 1 to 10, and X.
sup.
+ is an alkali metal cation or ammonium; (c) a fatty amide composition of the formula: ##STR4## wherein R.
sup.
4 is a C.
sub.
6-24 alkyl, R.
sup.
5 is a C.
sub.
2-6 alkylene; and (d) a casting agent comprising a polyalkylene glycol compound.
2.
The composition of claim 1 wherein the anionic sulfonate comprises a C.
sub.
8-16 alkyl benzene sulfonate.
3.
The composition of claim 1 wherein the anionic sulfate comprises a C.
sub.
8-16 alkyl sulfate.
4.
The composition of claim 1 wherein the amine oxide is a C.
sub.
14 alkyl dimethylamine oxide.
5.
The composition of claim 1 wherein the casting agent additionally comprises urea.
6.
The composition of claim 5 wherein the casting agent additionally comprises an alkali metal salt of an organic weak acid.
7.
The composition of claim 1 wherein the fatty amide comprises a lauric monoethanol amide.
8.
A cast solid cleaning composition consisting essentially of: (a) about 5-25 wt.
% of a C.
sub.
12-18 alkyl dimethylamine oxide; (b) about 15-70 wt.
% of an anionic surfactant system comprising at least 1 wt.
% of a C.
sub.
6-18 alkyl benzene sulfonate, at least 1 wt.
% of a C.
sub.
6-18 alkyl sulfate and at least 1 wt.
% of a C.
sub.
6-24 alkyl ether sulfate; (c) about 10-40 wt.
% of a casting agent comprising at least 5 wt.
% of a polyethylene glycol having a molecular weight of about 5000 to 15,000 and at least 5 wt

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