Stabilization of household, body-care and food products by using benzotropolone containing plant extracts and/or related benzotropolone derivatives

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United States of America Patent

PATENT NO 8784853
SERIAL NO

13499706

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Abstract

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Disclosed is the use of benzotropolone derivatives of formula (1), wherein R1, R2 and R7 independently from each other are hydrogen; C1-C3alkyl; or COR8; R3 is hydrogen; or COOR9 R4 is hydrogen; or C1-C3alkyl; R5 is hydrogen; hydroxy; C1-C3-alkoxy; or -0-(CO)—R10; R6 is hydrogen; C1-C3alkyl; or COR8; or R5 and R6 together may form a five or six membered ring; or R6 and R7 together form a five or six membered ring; and R8, R9, R10 independently of each other are C1-C30alkyl; for protecting body-care and household products from photolytic and oxidative degradation.

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Patent Owner(s)

Patent OwnerAddress
BASF SE67056 LUDWIGSHAFEN AM RHEIN

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Öhrlein, Reinhold Rheinfelden-Herten, DE 12 65
Fischer, Walter Reinach, CH 96 727
Mantler, Alexander Rheinfelden-Karsau, DE 6 12
Reich, Oliver Limburgerhof, DE 22 115
Schneider, Albert Grenzach-Wyhlen, DE 33 337
Wagner, Barbara Lörrach, DE 53 700

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