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:
Oct. 28, 2003
Filed:
Apr. 24, 2002
Applicant:
Inventors:
Gwan-Sun Lee, Seoul, KR;
Young-Kil Chang, Seoul, KR;
Jae-Heon Lee, Yongin-si, KR;
Chul-Hyun Park, Seoul, KR;
Gha-Seung Park, Koyang-si, KR;
Keum-Shin Jung, Seoul, KR;
Assignee:
Hanmi Pharm. Co., Ltd., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ;
U.S. Cl.
CPC ...
C07D / ;
Abstract
Highly pure cefpodoxime proxetil can be prepared by a simple process comprising the step of reacting a cefpodoxime salt with 1-iodoethylisopropylcarbonate in an organic solvent in the presence of a crown ether.