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:
Feb. 26, 2013
Filed:
Feb. 29, 2008
Barbara Wagner, Lörrach, DE;
Sébastien Mongiat, Sierentz, FR;
Bernd Herzog, Grenzach-Wyhlen, DE;
Werner Baschong, Basel, CH;
Andreas Buthe, Steinfurt, DE;
Reinhold Öhrlein, Rheinfelden-Herten, DE;
Barbara Wagner, Lörrach, DE;
Sébastien Mongiat, Sierentz, FR;
Bernd Herzog, Grenzach-Wyhlen, DE;
Werner Baschong, Basel, CH;
Andreas Buthe, Steinfurt, DE;
Reinhold Öhrlein, Rheinfelden-Herten, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to derivatives of the 1H-pyrano[4,3-b]benzofuran-1-one structure and their nitrogen analogues which possess powerful antioxidant properties combined with a highly effective UV absorbing functionality in one molecule. These compounds are especially useful in cosmetical and dermatological formulations.