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:
Jan. 17, 2006
Filed:
Jun. 10, 2003
Applicants:
Igor Lifshitz, Petach Tikva, IL;
Ilya Avrutov, Bat Hefer, IL;
Edi Schwartz, Rechovot, IL;
Basem Masarwa, Taibe, IL;
Inventors:
Igor Lifshitz, Petach Tikva, IL;
Ilya Avrutov, Bat Hefer, IL;
Edi Schwartz, Rechovot, IL;
Basem Masarwa, Taibe, IL;
Assignee:
Teva Pharmaceutical Industries Ltd., Petah Tiqva, IL;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07H 1/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to processes for converting clarithromycin Form I to clarithromycin Form II, which include slurrying clarithromycin the Form I in water. The present invention also relates to processes for the preparation of clarithromycin Form II by converting erythromycin A to clarithromycin and thereafter converting clarithromycin Form I to clarithromycin Form II by slurrying.