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:
Nov. 26, 2002
Filed:
Oct. 26, 2001
Applicant:
Inventors:
Verma Pradeep Kumar, Noida, IN;
Agarwal Ashutosh, Noida, IN;
Bhardwaj Nikhlesha Chandra, Noida, IN;
Singh Samir Kumar, Noida, IN;
Assignee:
Jubilant Organosys Limited, Noida, IN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07F 3/06 ; C07F 1/100 ;
U.S. Cl.
CPC ...
C07F 3/06 ; C07F 1/100 ;
Abstract
The present invention relates to a single pot process for the preparation of metal picolinates useful as dietary supplement from alpha picoline, said process comprising hydrosulphonation of alpha picoline with sulphuric acid; heating the reaction mixture thus obtained between the range of 150° to 210° C. followed by oxidation with any suitable oxidizing agent to obtain alpha picolinic acid sulphate, and treating the thus obtained alpha picolinic acid sulphate with a metal salt solution to obtain corresponding metal picolinate.