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:
Jan. 06, 1976
Filed:
Dec. 27, 1973
Applicant:
Inventors:
Ernst Meier, Munich, DT;
Hans Glockner, Munich, DT;
Karl Kuffner, Unterhaching, DT;
Immo Boie, Cologne, DT;
Fritz Nittel, Cologne, DT;
Assignee:
Agfa-Gevaert Aktiengesellschaft, Leverkusen-Bayerwerk, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
2603 / ; 2603 / ;
Abstract
Anilinopyrazolone are to be prepared in high yields and with a high degree of purity by reacting a salt particularly hydrochloride of a .beta.-arylamino-.beta.-imino-propionic acid ester of one of the tautomeric formulae which are defined hereinafter with a suitable substituted hydrazine.