Patent Picks by Bud Brewster

By: Bud Brewster

Posted: November 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

Dyeing and Shaping of Hair
7,273,058
Wella AG
Method for simultaneously dyeing and permanent shaping of hair
The disclosed method for simultaneously dyeing and permanent shaping of hair includes winding hair strands onto curlers; mixing a) a dye component containing 1–10% by weight of one or more dye compound and an amount of a keratin-reducing substance with b) a shaping component containing 6–15% by weight of the keratin-reducing substance in a weight ratio of from about 1:1 to 1:10 to form a dyeing and shaping composition, which necessarily contains 5–18% by weight of the keratin-reducing substance; then allowing the hair with the dyeing and shaping composition to act on the hair for an acting time sufficient for permanent shaping. After that, the method involves allowing a fixing composition to act on the hair for 1–40 min and subsequently rinsing the hair. The dye component contains 4,5-diaminopyrazole derivatives and certain aminophenol derivatives.

Gingko Biloba for Sun Care
20070224138
The Proctor & Gamble Company
Cosmetic composition comprising gingko biloba and sunscreen agents
A cosmetic composition is provided comprising a Gingko biloba extract, an alkyl β,β-diphenylacrylate and/or α-cyano β,β-diphenylacrylate derivative, and a dibenzoyl methane derivative. A cosmetic use of that composition is also provided for preventing sun damage and photo aging.

Microspheres
20070224140
L’Oreal
Cosmetic or dermatologic compositions containing microspheres
The compositions of this invention comprise a microsphere and a film-forming component. Such compositions possess improved cosmetic or dermatologic properties and characteristics such as increasing eyelash length and/or volume, improving the hold of the shape or curl of hair/eyelashes, permitting hair or eyelashes to be reshaped into the original style without reapplying a hair or eyelash styling composition and/or heat, or increasing transfer-resistance, waterproofing and/or long-wear properties.