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. 26, 1978
Filed:
Jun. 30, 1977
Applicant:
Inventor:
John B Hill, Woodstock, IL (US);
Assignee:
G.D. Searle & Co., Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ;
U.S. Cl.
CPC ...
542425 ; 542420 ; 544360 ; 560 36 ; 560171 ; 2602 / ;
Abstract
A new process utilizing certain novel intermediates for the preparation of 1-diphenylmethyl-4-(6-methyl-2-pyridylmethyleneamino)piperazine is described herein. The process utilizes readily available starting material and has the distinct advantage of having no N-nitroso intermediate in its procedure.