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:
Dec. 28, 1993
Filed:
May. 12, 1989
Applicant:
Inventors:
Takehiro Amano, Urawa, JP;
Masami Goi, Saitama, JP;
Kazuto Sekiuchi, Tatebayashi, JP;
Tomomichi Yoshida, Omiya, JP;
Masahiro Hasegawa, Omiya, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H / ;
U.S. Cl.
CPC ...
536-74 ; 536-72 ; 536 185 ;
Abstract
A process for preparing erythromycin A oxime or a salt thereof which comprises reacting erythromycin A with hydroxylamine using an acid, is disclosed. Erythromycin A oxime and the salts thereof are useful as intermediates for the synthesis of macrolide antibiotics.