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:
Jun. 04, 2002
Filed:
Jan. 06, 1997
Applicant:
Inventors:
Thekla Kurz, Grosse-Zimmern, DE;
Sabine Hitzel, Messel, DE;
Roland Martin, Weinheim, DE;
Ralf Emmert, Dieburg, DE;
Assignee:
Merck Patent Gesellschaft Mit, Beschrankter Haftung, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K 7/42 ;
U.S. Cl.
CPC ...
A61K 7/42 ;
Abstract
The invention related to powder mixtures containing formaldehyde- and/or formic acid-releasing compounds which have skin-tanning properties, which powder mixtures contain an agent which forms sulphite ions and, if appropriate, a stabilizer, and to the preparation and use of these powder mixtures for manufacturing cosmetic or pharmaceutical preparations.