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 8293918 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 23, 2012

Filed:

Dec. 18, 2009
Applicants:

Gelebith H. Modi, Noida, IN;

Anil Kumar Tyagi, Noida, IN;

Ashutosh Agarwal, Noida, IN;

Hem Chandra, Gajraula, IN;

Nikhilesh Chandra Bhardwaj, Gajraula, IN;

Pradeep Kumar Verma, Gajraula, IN;

Inventors:

Gelebith H. Modi, Noida, IN;

Anil Kumar Tyagi, Noida, IN;

Ashutosh Agarwal, Noida, IN;

Hem Chandra, Gajraula, IN;

Nikhilesh Chandra Bhardwaj, Gajraula, IN;

Pradeep Kumar Verma, Gajraula, IN;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 211/72 (2006.01);
U.S. Cl.
CPC ...
Abstract

Disclosed herein an improved process for producing 2,3-dihalopyridine with high purity at industrial scale with minimum effluent.


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