US1847437A - Detergent - Google Patents

Description

cent of water may be further increased and amme Soaps O Patented Mar. 1, 1 932 i UNITED STATES PATENTOFFICE ABRAHAM moscowrrz; or JERSEY cm, NEW JERSE A DETERGENT "No Drawing. Application filed October 24, 1929. Serial No. 402,813.

This detergent contains a mixture of the completeness of the dispersion of the soap potassium and triethanol amine soaps of fatin organic solvents and the effectiveness ty acid. The total quantity of soaps present thereof. It will be seen, therefore, that while calculated as dry soaps may vary between a minimum of 4 per cent of water is necessary,

5 and 7 0 per cent by Weight of the detergent the proportions of water and alcohol for any viz, between 50 and per cent by Weight of selected soap content are susceptible of variathe total soa s, water and alcohol composing tion within certain limits. p the finished etergent. The triethanol amine My detergent may be made by mixing thp soap of fatty acid is present to the extent of constituent materials or by combining the H 40 to per cent of the total soaps, dry basis bases either separately or collectively with to viz, to the extent of 40 to 7 5 per cent of the the necessary amount of fatty acid, preferactual soaps present in the mixture excludably in'the presence of the requisite amount ing free water and alcohol. Vater is present of alcohol needed to form the finished mixto the extent of at least 4 per cent of the total ture, and referably thereafter adding such detergent and the balance consists of an alamount 0 water as is necessary to create a 65 cohol containing not exceeding three carbon product of the defined composition. atoms to the molecule. \Vhile the alcohol The new composition is applicable for use may be methyl, ethyl, and either normal either in aqueous solution or in solution in propyl or iso-propyl, I prefer the .use of ethyl organic solvents as practiced in dry cleaning alcohol for this purpose. While I may emart. A small proportion of the deter entTo ploy a variety of fatty acids or mixtures added in either case produces amarked imthereof in forming the soaps above meninution in surface tension of the solvent and tioned, and such mixtures shall be hereinenhanced cleansing properties. ,In particuafter comprehended within the term fatty lar, where small amounts of this detergent acids, I preferably employ the potassium are added to organic solvents such as cleaners 7 and triethanol amine soaps of commercial naphtha, exceptional cleansing properties are oleic acid. imparted. In this case, moreover, the solu- .Where the soaps employed are the com- 'tion of organic solvent containing my deterpounds of potassium and triethanol amine gent appears to possess the capacity to pepwith oleic acid, if the per cent of water pres-' tize and remove from the garments, to be ent does not substantially exceed 4 per cent cleaned, impurities of both Water and oil and the balance of the mixture is alcohol, the lubl nat re, detergent will be optically transparent at Wh th Organic l t l ngr na hnormal} temperatures: however! EP tha for example) is purified subsequent to use p ffltty aclds thin} 015510 t l by filtration, for example, filtration thru a are Wlthm h lq l harem plate and frame filter under pressure, my above mentioned and wlthinthe ratios of podetergenti has proved singularly eflicacious tassium to triethanol amine soap herei'nbefore in Permitting free filterabfl-lty and a maxi v m the fatty must so se'ected mum thruput for the filter before cleaning that with 4 per cent of water present and the th b m 06553 balarce of the mixture consisltiing of alcohol g igfi es Q ythe eter ent will be o-ptica y transparent a 4 p at normal temperatures. For any selected y' igg gg i fispggggfi g fig g ggg fsgi content and composition of dry soaps the per i acids selected from the fatty 05 theper cent of alcohol decreased, provided, fields, bfiltween 0 t0 P cent of i ot however, that the amount of water added is ps present, dry basis, being the trrethanol not suflicient to produce a detergentwhich is amine soap of the selected fatty acids, not ndt optically transparent. I find the optical less than 4 per cent of water, and an alcohol transparency to be related to the speed and of not exceeding three carbon atoms n 10 amount suflicient to renderthe detergent optically transparent.

2. A detergent comprising 50 to 70 per cent, dry basis, of the potassium and triethanol amine soaps of acids selected from the fatty acids, between 40 to 7 per cent of the total soaps present, dry basis, being the triethanol amlne" soap of the selected fatty acids, not less than 4 per cent of Water, and ethyl alcohol in amount sufiicient to render the detergent optically transparent.

3. A detergent comprising to per cent, dry basis, of the potassium and triethanol amine soaps of oleic acid, between 40 to per cent of the total soaps present, dry basis, being the triethanol amine soap of oleic acid, not less than 4 per cent Water, and

an alcohol of not exceeding three carbon atoms in amount sufiicient to render the detergent optically transparent.

A detergent comprising 50 to 70 per cent, dry basis, of the potassium and triethanol amine soaps of oleic acid, between 40 to 7 5 per cent of the total soaps present, dry basis, being the triethanol of oleic acid, not less than 4 per cent of water, and ethyl alcohol in amount suflicient to renderthe detergent optically transparent.

- ABRAHAM MOSCOWITZ.

amine soap