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:
Aug. 21, 1990
Filed:
Sep. 21, 1989
Applicant:
Inventor:
Jung-Hui Sun, Dublin, OH (US);
Assignee:
Erbamont, Inc., Dublin, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C07C / ;
U.S. Cl.
CPC ...
548525 ; 540596 ; 540610 ; 546196 ; 546230 ; 546233 ; 548567 ; 548561 ; 549355 ; 549404 ; 549405 ; 549462 ; 549471 ; 558415 ; 564 86 ; 564139 ;
Abstract
A method for preparing a benzamide by reacting an aromatic acid with an amine having a primary amino group and a secondary amino group wherein the reaction is directed to the primary amino group by first reacting the acid with N,N'-carbonyldiimidazole.