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:
Feb. 27, 2001
Filed:
Apr. 04, 2000
Applicant:
Inventors:
Bernd Gallenkamp, Wuppertal, DE;
Peter Gerdes, Aachen, DE;
Herbert Gayer, Monheim, DE;
Lothar Rohe, Wuppertal, DE;
Lubbertus Mulder, Hagen-Haspe, DE;
Assignee:
Bayer Aktiengesellschaft, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
The invention relates to an improved method for preparing optionally substituted benzofuran-3-ones which can be used as initial products for preparing 3-(1-hydroxyphenyl-1-alkoximinomethyl) dioxazines. These later are known starting materials for preparing compounds with fungicidal properties.