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. 28, 1989
Filed:
Sep. 01, 1987
Applicant:
Inventors:
Isao Hashimoto, Iwakuni, JP;
Ikuo Tomino, Ohtake, JP;
Houji Kato, Waki, JP;
Noriaki Kihara, Iwakuni, JP;
Teruaki Mukaiyama, Tokyo, JP;
Assignee:
Mitsui Petrochemical Industries, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
548342 ;
Abstract
N-cyano-N'-methyl-N'-(2-(5-methyl-4-imidazolylmethylthio)ethyl)guanidine (Cimetidine), which is valuable as an agent for controlling secretion of gastric acid, is prepared in a high yield by reacting N-cyano-N'-methyl-N'-(2-(butane-2,3-dionyl)thioethyl)-guanidine as the starting compound with an ammonium salt of a carboxylic acid and formaldehyde.