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.:

US 7339055 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 04, 2008

Filed:

Aug. 23, 2004
Applicants:

Pandurang Balwant Deshpande, Chennai, IN;

Udayampalayam Palanisamy Senthilkumar, Erode District, IN;

Velladurai Hero, Nagapattinam District, IN;

Inventors:

Pandurang Balwant Deshpande, Chennai, IN;

Udayampalayam Palanisamy Senthilkumar, Erode District, IN;

Velladurai Hero, Nagapattinam District, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 501/56 (2006.01); C07D 501/36 (2006.01); C07D 501/34 (2006.01); C07D 501/22 (2006.01);
U.S. Cl.
CPC ...
Abstract

A process for the preparation of cephalosporin antibiotic of the formula (I) which comprises: with thiourea in the presence of solvent and salt of organic or inorganic acid at a temperature in the range of −50 to +50° C. to produce compound of formula (I).


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Deshpande, Pandurang. (2008). Process for the preparation of cephalosporin antibiotic (U.S. Patent No. 7339055). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7339055

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