Patent Picks—Natural Preservatives, Beta-Lactam for Hair Growth, Allyl Caproate for Sensory and More

By: Rachel L. Grabenhofer

Posted: November 23, 2011

Chosen biweekly for their relevance to personal care, Patent Picks are taken from publicly available sources. This edition features patents related to actives for skin and hair care applications as well as inventions to improve formulation stability, preservation and sensory attributes.

Method for production of reduced coenzyme Q10 using water-containing organic solvent
US Patent 8063254
Publication date: Nov. 22, 2011
Assignee: Kaneka Corp.

The present invention describes a production method for reduced coenzyme Q10 using ascorbic acid or its analogue(s) as a reducing agent in a water-containing organic solvent, and at a pH no higher than 5. Via this method, the reaction time can be drastically shortened and undesired side reactions can be minimized, therefore producing a reduced coenzyme Q10 of high quality.

Compositions and methods for regulating mammalian keratinous tissue
US Patent 8063097
Publication date: Nov. 22, 2011
Assignee: The Procter & Gamble Co.

This patent relates to topical compositions for treating skin conditions, including regulating fine lines, wrinkles, skin texture, sagging and skin discoloration. These cosmetic methods are accomplished via the topical application, to the skin of a mammal needing such treatments, compositions containing: a) a dialkanoyl hydroxyproline compound and at least one additional skin care active selected from hexamidine compounds and sugar amine compounds; or b) neutralized dialkanoyl hydroxy proline salts incorporated into the aqueous phase of either an emulsion or a solution. Also disclosed are methods for such regulation of keratinous tissue. The majority of these products are directed to delaying, minimizing or even eliminating skin wrinkling and other histological changes typically associated with the aging of skin or environmental damage to human skin.