Patent Picks—Natural Cationic Emulsifiers, Repeat Sequence Proteins, Amides for Color Uniformity and More

By: Rachel L. Grabenhofer

Posted: November 13, 2012

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The present invention relates to novel detergent compositions comprising: a) one or more anionic surfactants chosen from ethoxylated alkyl sulfates, the corresponding acids, and mixtures thereof; b) one or more anionic surfactants other than the surfactant(s) in a); c) one or more amphoteric or zwitterionic surfactants; d) one or more alkylpolyglycoside nonionic surfactants; e) one or more non-silicone cationic polymers preferably with a cationic charge density of less than 4 meq/g; and f) one or more silicones, with the ethoxylated alkyl sulfate anionic surfactant/anionic surfactant b) weight ratio ranging from 0.5 to 1. These combinations make it possible to improve the deposition of silicone on keratin materials as well as cosmetic properties and can be used for cleansing and caring for the hair or skin.

Chemical structure comprising phosphates with polyol dubstructures for hair and skin cosmetics use
US Patent Application 20120283224
Publication date: Nov. 8, 2012
Assignee: Chemyunion Quimica Ltda.

Disclosed in this patent is a composition suitable for application to hair and/or skin that comprises phosphate esters such as xylitol phosphate esters and other polyol units phosphoric acid esters. This composition can be used to improve or treat skin, including scalp, conditions in cosmetic or pharmaceutical products for acne, dandruff, seborrheic dermatitis and malodor and/or can be incorporated in such formulations as a co-emulsifying agent or preservative, alone or in combination, to other emulsifying or preservative agents in order to increase such activities.

Non-petrochemically derived cationic emulsifiers that are neutralized amino acid esters, related compositions and methods
US Patent 8287844
Publication date: Oct. 16, 2012
Assignee: Inolex Investment Corp.

This invention includes a method of increasing the substantivity of a personal care composition to hair, skin or nails by preparing a composition of an aqueous phase, a non-aqueous phase and a neutralized amino acid ester that is a reaction product of a neutral amino acid having a non-polar side chain with a long chain fatty alcohol. The composition is substantially free of petrochemicals and/or derivatives of petrochemical materials. The aqueous phase and non-aqueous phases are emulsified by the neutralized amino acid ester. Other methods and an emulsifier that is the neutralized amino acid ester are included. Since the neutralized amino acid ester and compositions do not contain petrochemical-derived ingredients, the products are natural, and because of the ester's cationic structure, it is well-suited for personal care applications, particularly for conditioning hair and skin.