Patents Assigned to Zhejiang Yongning Pharmaceutical Factory - Justia Patents Search

Patents Assigned to Zhejiang Yongning Pharmaceutical Factory

BETA-LACTAMASE-RESISTANT CEPHALOSPORIN ESTER COMPOUNDS AND SALTS OF THEREOF

Publication number: 20100227843

Abstract: ?-lactamase resistant cephalosporin ester compound chosen from those represented by formula (I): wherein, and pharmaceutical salts thereof, composition thereof, and use thereof are disclosed.

Type: Application

Filed: May 21, 2010

Publication date: September 9, 2010

Applicant: ZHEJIANG YONGNING PHARMACEUTICAL FACTORY

Inventors: Fengqi YE, Shanzong FANG, Xiuwel LU
Intermediate compound for the production of ?-lactamase-resistant cephalosporin ester compounds and salts thereof

Patent number: 7750148

Abstract: An intermediate compound represented by formula (IV) as follows:

Type: Grant

Filed: November 19, 2004

Date of Patent: July 6, 2010

Assignee: Zhejiang Yongning Pharmaceutical Factory

Inventors: Fengqi Ye, Shanzong Fang, Xiuwei Lu