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:
Jun. 09, 1987
Filed:
Apr. 05, 1985
Yoshiaki Watanabe, Kodaira, JP;
Shigeo Morimoto, Kitakatsushika, JP;
Masami Goi, Kitakatsushika, JP;
Morihiro Mitsukuchi, Omiya, JP;
Takashi Adachi, Kuki, JP;
Jozi Nakagami, Saitama, JP;
Toshifumi Asaka, Ageo, JP;
Tadashi Eguchi, Omiya, JP;
Kaoru Sota, Tokorozawa, JP;
Taisho Pharmaceutical Co., Ltd., Tokyo, JP;
Abstract
A method for the selective methylation of a hydroxy group at the 6-position of an erythromycin A derivative which comprises converting an erythromycin A derivative into an erythromycin A 9-oxime derivative, and reacting the resulting ethythromycin A 9-oxime derivative with an methylating agent.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile