Composition for decontaminating and/or disinfecting the hands, d

Details Composition for decontaminating and/or disinfecting the hands, d Composition for decontaminating and/or disinfecting the hands, d

1991-09-18

1992-12-22

Clingman, A. Lionel

Compositions

Fluent dielectric

N-containing

252544, 252550, 252558, 252DIG5, 514563, C11D 162, C11D 165

Patent

active

051732165

DESCRIPTION:

BRIEF SUMMARY
The invention relates to a preparation for decontaminating and/or disinfecting the hands, dispensable by soap dispensers.
Known means for hygienic and/or surgical disinfection of the hands are described in List VI of the Deutsche Gesellschaft fur Hygiene und Mikrobiologie [German Hygiene and Microbiology Society] (Hyg.+Med. 7 (1982) 467 ff).
The test of decontamination of the hands, provided for inclusion in the list, was amended in 1986 by the DGHM.
This applied in particular to the exposure time during which the germ count is to be reduced 3-log stages (=99.97%). It was reduced to 30 seconds because the former regulation specifying 2 minutes was not practical and required modification of behavior learned since childhood for cleaning the hands.
The shortened exposure time however meant that only certain active disinfecting agents met the requirements. These include low-molecular-weight alcohols (ethanol, n-propanol, isopropanol) as well as iodine, usually bound in complexes for stabilization.
Amphoterics and cationic surfactants are also used, but in combination with alcohols or iodophors.
The substances have a number of serious disadvantages, especially the following detergent and there is no possibility of replacing the grease or oils at the same time as disinfection; caused by germs is impossible in practice as a consequence of their aggressiveness or solvent power. This is especially true for plastic soap dispensers since attack by iodophors and/or alcohols very quickly renders the mechanical parts of the containers unusable due to migration and swelling of the plastic; permit further modification to dispense it in a foam form, which requires only minimal water, and hence limits the introduction of germs from the tap water, since soaps which contain alcohol act to destroy the foam.
From this incomplete listing of the disadvantages of the prior art recited at the outset, there results the statement of the goal, namely to develop a preparation which, with the same disinfecting and decontaminating action, is not aggressive or harsh to the skin and imposes practically no limitation on the choice of materials for the soap dispenser.
The goal of the invention is to provide a substance for decontamination and/or disinfection of the hands whose combination is staggered so that it meets the requirements for disinfection of the hands which causes a reduction of the germs in 3-log stages, i.e. by 99.7%, assuming a wetting power roughly equivalent to that of alcohols
This goal is acheived by a substance in accordance with the main claim.
Maximum skin protection is provided by avoiding highly degreasing alcohols in conjunction with the use of regreasing agents.
The substance can be dispensed by normal soap dispensers because the frequently observed attack of plastics by iodophors and/or alcohols, i.e. by migration or swelling, is avoided.
Similarly, destruction of composition prepared as foams is ruled out since the destructive alcohols are eliminated or excluded.
The composition claimed according to the invention is advantageously composed as follows: following structure:
N[N'(N"-alkyl-N"-carboxyalkyl) aminoethylcarbamoylmethyl]-N,N-dimethyl-N-alkylammonium chloride: ##STR1## where R=C.sub.12 -C.sub.18 alkyl benzalkonium chloride type; surfactants, such as sulfosuccinates (diisooctyl sulfosuccinate), naphthtaline sulfonate (sodium diisooctylnaphthalenesulfonate) or amine oxides (lauryldimethylamine oxide); from cosmetic preparations (such as for example fatty acid alkanolamides or ethoxylated partial glycerides).
The substance which can be placed in a foam soap dispenser contains N-[N"-(N"-hydroxymethyl-N"-carboxymethyl)aminoethylcarbamoylmethyl]-N,N-di methyl-N-(coconut oil) ammonium chloride
4 wt.% lauryl dimethylammonium methosulfate
1 wt.% diisooctyl sulfosuccinate
2 wt % lauric acid monoethanolamide.
In the foam soap dispenser this mixture produces a light, creamy, fine-bubbled foam that leaves the skin feeling soapy smooth after the hands are rubbed together.
The following example is given of a preparation

REFERENCES:
patent: 4020155 (1977-04-01), Kalopissis et al.
patent: 4124632 (1978-11-01), Kalopissis et al.
patent: 4203872 (1980-05-01), Flanagan

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