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. 06, 2014
Filed:
Jun. 20, 2011
Volker Maywald, Ludwigshafen, DE;
Frederik Menges, Schriesheim, DE;
Uwe Josef Vogelbacher, Ludwigshafen, DE;
Michael Rack, Eppelheim, DE;
Michael Keil, Freinsheim, DE;
Wassilios Grammenos, Ludwigshafen, DE;
Marianna Vrettou-schultes, Mannheim, DE;
Jan Klaas Lohmann, Lambsheim, DE;
Bernd Mueller, Frankenthal, DE;
Thorsten Jabs, Hassloch, DE;
Volker Maywald, Ludwigshafen, DE;
Frederik Menges, Schriesheim, DE;
Uwe Josef Vogelbacher, Ludwigshafen, DE;
Michael Rack, Eppelheim, DE;
Michael Keil, Freinsheim, DE;
Wassilios Grammenos, Ludwigshafen, DE;
Marianna Vrettou-Schultes, Mannheim, DE;
Jan Klaas Lohmann, Lambsheim, DE;
Bernd Mueller, Frankenthal, DE;
Thorsten Jabs, Hassloch, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The present invention relates to a process for preparing 4-hydroxypyridines of formula I wherein R, R, Rand Rhave the meanings defined in the description.