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:
May. 21, 2002
Filed:
Mar. 14, 2001
Thomas Heidenfelder, Römerberg, DE;
Thorsten Habeck, Meckenheim, DE;
Thomas Wünsch, Speyer, DE;
BASF Aktiengesellschaft, Ludwigshafen, DE;
Abstract
Sunscreen combinations which comprise, as constituent which absorbs in the UV-A region, 4,4′-diarylbutadienes, and at least one further sunscreen which absorbs in the UV-A region, UV-B region or in both regions, chosen from a group defined in detail in the Description of the Invention below as photostable UV filter combination in cosmetic and pharmaceutical preparations for protecting the human epidermis or human hair against UV radiation, specifically in the range from 320 to 400 nm.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile