Patent Picks by Bud Brewster
By: Bud Brewster
Posted: October 16, 2007
Cosmetics & Toiletries.com presents collections of recently issued patents for your consideration. Chosen by our technical editor, Bud Brewster, for their relevance to personal care, these "Patent Picks" are taken from publicly available sources, collected and presented here for your convenience.
PATENT PICKS
Skin Actives
20070184012
BASF Catalysts LLC
HAS2-stimulating plant extracts
The invention relates to plant extracts for stimulating the synthesis of hyaluronan synthase, particularly the synthesis of hyaluronan synthase 2 (HAS2). Specific aims of the invention are to increase firmness and/or elasticity and/or tissue moisturization, and/or increase the skin barrier effect, and/or increase tissue resilience, and/or modulate angiogenesis, or the neocreation of blood capillaries, and/or improve healing, and/or cell proliferation, migration or differentiation, and/or skin atrophy, and/or intended to combat the effects of ageing on the skin, and in particular to combat the loss of firmness of the skin observed in the course of aging, and/or atrophied scars.
Surfactants
20070184005
Momentive Performance Materials Inc.
Hydrolysis resistant organomodified trisiloxane surfactants
Three types of trisiloxane surfactants, having the basic formula MDM', are described; wherein the substituents on the differing M and M' groups in conjunction with a pendant polyalkylene oxide substituents on the D group render the surfactant resistant to hydrolysis under either basic or acidic conditions.
Resin for Personal Care, Fragrance
7,253,249
Arizona Chemical Company
Ester-terminated poly(ester-amide) in personal care products
A resin composition is prepared by reacting components comprising dibasic acid, diamine, polyol and monoalcohol, wherein: a) at least 50 equivalent percent of the dibasic acid comprises polymerized fatty acid; b) at least 50 equivalent percent of the diamine comprises ethylene diamine; c) 10-60 equivalent percent of the total of the hydroxyl and amine equivalents provided by diamine, polyol and monoalcohol are provided by monoalcohol; and d) no more than 50 equivalent percent of the total of the hydroxyl and amine equivalents provided by diamine, polyol and monoalcohol are provided by polyol. This resin composition may be formulated into, for example, personal care products, fragrance releasing products and candles.