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Substance and process for converting waste cooking oil into liquid soap
| Details |
Inventors: Shimizu, Kazuo;
Assignee: Mimasu Oil Chemical Co., Ltd. (Tokyo, JP)
Primary Examiner: Lieberman; Paul
Assistant Examiner: Markowski; Kathleen
Attorney, Agent or Firm: Wegner & Bretschneider
The substance of the present invention which contains an amine derivative such as alkanol amine, alkyl amine and alkylene amine and a surface-active agent is capable of converting waste cooking oil into useful liquid soap easily and quickly. The substance contains a minimum amount of or no strong alkali substances and is therefore quite safe for home use. Thus, waste cooking oil may be recycled for useful purposes and contamination of sewage with waste cooking oil can be prevented. |
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DETAILED DESCRIPTION What I claim is: 1.
A process for converting waste cooking oil to detergent, comprising contacting a waste cooking oil with a composition comprising greater than 50% of an amine derivative, from 0.
5 to 30% of a surface active agent, an alkali metal salt and/or an alkali hydroxide, wherein the pH of the composition is adjusted to 10 or higher and adding water in amounts sufficient to form a liquid detergent.
2.
A process for converting waste cooking oil into liquid soap as defined in claim 1, wherein the amine derivative is a compound selected from the group consisting of alkanolamine, alkyl (C.
sub.
2 to C.
sub.
18) amine and alkylene (C.
sub.
2 to C.
sub.
8) amine.
3.
A process for converting waste cooking oil as defined in claim 2, wherein the alkanolamine is ethanolamine and/or isopropanolamine.
4.
A process for converting waste cooking oil into liquid soap as defined in claim 3, wherein the surface-active agent is a compound selected from the group consisting of anionic agents, nonionic agents, and neutral agents.
5.
A process for converting waste cooking oil into liquid soap as defined in claim 4, wherein the anionic surface-active agent is selected from the group consisting of linear alkyl benzenesulfonate, alpha-olefinsulfonate, alkylsulfonate, alkylethersulfate ester, alkylsulfate ester, alkali metal-higher fatty acid salt or soap, salcosine salt, and alkylsulfosuccinate.
6.
A process for converting waste cooking oil into liquid soap as defined in claim 4, wherein the nonionic surface-active agent is selected from the group consisting of polyoxyethylene compounds, fatty acid esters, alkylphosphate esters, alkyl amine oxides.
7.
A process for converting waste cooking oil into liquid soap as defined in claim 4, wherein the neural surface-active agent is selected from the group consisting of alkyl betaine, imidazoline and glycin-alkyl amine betaine.
Description:
TECHNICAL FIELD The present invention relates to a substance for processing waste cooking oil (which may include oil and fat from either vegetable or animal sources) and in particular to a substance which allows waste cooking oil to be converted into liquid soap or detergent (including substances which may be considered to be soap in terms of chemical structure but which would not be considered to be soap in terms of such physical properties as appearance, consistency, etc
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Molecular Biology 
