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:
Sep. 11, 2001
Filed:
Jun. 11, 1999
Robert Kleiman, Mesa, AZ (US);
Sambasivarao Koritala, Tempe, AZ (US);
Demetrios James G. Arquette, Tempe, AZ (US);
Abstract
Compositions or fluids comprising esters of long-chain organic molecules derived from natural oils, particularly plant, bean, seed and nut oils can be provided with increased oxygen stability by their combination with mixtures of particular classes of antioxidants, particularly combinations of at least one tocopherol and a supplemental ingredient selected from the class consisting of kojic acid, malic acid and ascorbic acid. The stabilization combination is particularly effective in combination with esters of long-chain organic molecules having less than 20% methylene interrupted polyunsaturation. An emollient composition is described that comprises a long-chain ethyl ester in combination with an oxidation stabilizing systems comprising at least one tocopherol and at least one supplemental additive selected from the group consisting of kojic acid, malic acid, and ascorbic acid. The long-chain ethyl ester may comprise an ethyl ester of a natural oil. The long-chain ethyl ester may have a percent methylene interrupted unsaturation of less than 20%, less than 15%, less than 10%, or less than 5%. The emollient composition may have the at least one supplemental additive present in an amount of from 0.01 to 2% or more by weight of said long-chain ethyl ester and the tocopherol is present in an amount of from 0.01 to 5% by weight of said long-chain ethyl ester. The emollient composition preferably has the long-chain ethyl ester selected from the class consisting of ethyl ester of macadamia oil, ethyl ester of hybrid sunflower, ethyl ester of babassu oil and meadowfoam having a percentage methylene interrupted unsaturation of less than 5.