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. 18, 1996
Filed:
Dec. 07, 1993
Applicant:
Inventors:
Michael Miksits, Duisburg, DE;
Christoph Tiburtius, Cologne, DE;
Jurgen Kischkewitz, Ratingen, DE;
Kai Butje, Duisburg, DE;
Albrecht Warth, Mulheim, DE;
Franz Herzig, Krefeld, DE;
Roland Langner, Bevern, DE;
Assignees:
Bayer Aktiengesellschaft, both of, DE;
Haarmann & Reimer GmbH, both of, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G / ; A61K / ;
U.S. Cl.
CPC ...
423622 ; 424 59 ;
Abstract
The invention relates to finely divided, highly pure neutral zinc oxide powder used for UV protection in cosmetic sun screen preparations and daytime skin care preparations as well as in lacquers and plastics, and to a process for its preparation.