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:
Sep. 05, 2006
Filed:
Oct. 01, 2001
Applicants:
Harald Streicher, Ludwigshafen, DE;
Bernd Ostersehlt, Maxdorf, DE;
Horst Westenfelder, Neustadt, DE;
Inventors:
Harald Streicher, Ludwigshafen, DE;
Bernd Ostersehlt, Maxdorf, DE;
Horst Westenfelder, Neustadt, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Primary Examiner:
Int. Cl.
CPC ...
C07D 307/62 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ascorbic acid derivative of the formula Ia:where the variables independently of one another have the following meanings: