Unilever Home and Personal Care Usa, Division of Conopco, Inc.

Unilever Patent Holdings B.v.

Clive Roderick Harding

Ian Richard Scott

Julia Sarah Rogers

John Anthony Bosley

Christopher Rawlins

Bijan Steven Harichian

Gerald Patrick McNeill

Anthony Vincent Rawlings

Martin Richard Green

Allan Watkinson

Jonathan Richard Powell

Simon Alaluf

Heng-Long Hu

Caroline Marian Lee

A method of producing a retinyl ester compound comprising subjecting a composition comprising retinyl or a retinyl ester and a fat or oil of animal or vegetable origins to enzyme catalysed trans-esterification in solvent free conditions to produce a retinyl ester.

Method of producing retinyl esters

A personal care product is provided which includes a package filed with a personal care composition and instructions printed on or associated with the package indicating topical use of the composition on skin for purposes of controlling the signs of aging. The composition includes a quaternary ammonium compound selected from (a) salts of hydroxypropyltri(C&#x2013;Calkyl)ammonium mono-substituted mono-saccharide; (b) salts of hydroxypropyltri(C&#x2013;Calkyl)ammonium mono-substituted polyols, the salts having a cation of an average molecular weight no higher than about 450 and the salt having a Tno higher than about 10&#xb0; C.; (c) dihydroxypropyltri(C&#x2013;Calkyl)ammonium salts; (d) chlorohydroxypropyltri(C&#x2013;Calkyl)ammonium salts; and (e) mixtures thereof.

Quaternary ammonium polyol salts as anti-aging actives in personal care compositions

Skin care composition

A composition for topical application to human skin in order to promote the repair of photo-damaged skin and/or to reduce or prevent the damaging effects of ultra-violet light on skin and/or to lighten the skin comprising retinol or a derivative thereof and a dioic acid.

Cosmetic composition containing retinol and dioic acid

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Trumbull, CT, United States of America

Clive Roderick Harding