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. 21, 1982
Filed:
Jul. 17, 1981
Applicant:
Inventors:
Norbert Rieber, Mannheim, DE;
Heinrich Bohm, Neuhofen, DE;
Rolf Platz, Mannheim, DE;
Werner Fuchs, Ludwigshafen, DE;
Assignee:
BASF Aktiengesellschaft, Ludwigshafen, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548375 ; 548247 ;
Abstract
1-Hydroxypyrazole and a process for its preparation by conversion of isoxazolineazoxy compounds at 140.degree.-600.degree. C. The end products obtainable by the process of the invention are valuable starting materials for the preparation of dyes, crop protection agents and drugs.