The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 22, 2014
Filed:
Oct. 05, 2010
Barbara Wagner, Lörrach, DE;
Oliver Reich, Limburgerhof, DE;
Alexander Mantler, Rheinfelden-Karsau, DE;
Reinhold Öhrlein, Rheinfelden-Herten, DE;
Walter Fischer, Reinach, CH;
Albert Schneider, Grenzach-Wyhlen, DE;
Barbara Wagner, Lörrach, DE;
Oliver Reich, Limburgerhof, DE;
Alexander Mantler, Rheinfelden-Karsau, DE;
Reinhold Öhrlein, Rheinfelden-Herten, DE;
Walter Fischer, Reinach, CH;
Albert Schneider, Grenzach-Wyhlen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
Disclosed is the use of benzotropolone derivatives of formula (1), wherein R, Rand Rindependently from each other are hydrogen; C-Calkyl; or COR; Ris hydrogen; or COORRis hydrogen; or C-Calkyl; Ris hydrogen; hydroxy; C-C-alkoxy; or -0-(CO)—R; Ris hydrogen; C-Calkyl; or COR; or Rand Rtogether may form a five or six membered ring; or Rand Rtogether form a five or six membered ring; and R, R, Rindependently of each other are C-Calkyl; for protecting body-care and household products from photolytic and oxidative degradation.