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:
Jun. 22, 2010
Filed:
Jan. 10, 2007
Pandurang Balwant Deshpande, Vadodara, IN;
Parven Kumar Luthra, Vadodara, IN;
Sanjiv Onkarsingh Tomer, Vadodara, IN;
Piyush Maheshbhai Rana, Vadodara, IN;
Jigar Kamleshbhai Patel, Vadodara, IN;
Pandurang Balwant Deshpande, Vadodara, IN;
Parven Kumar Luthra, Vadodara, IN;
Sanjiv Onkarsingh Tomer, Vadodara, IN;
Piyush Maheshbhai Rana, Vadodara, IN;
Jigar Kamleshbhai Patel, Vadodara, IN;
Alembic Limited, Gujarat, ID;
Abstract
The present invention relates to a process for the purification of Sucralose of formula (I) which comprises acetylation of substantially impure Sucralose to its penultimate intermediate 4,1',6′-trichloro-4,1′,6′-trideoxy galactosucrose penta-acetate (TOPSA) of formula (VI) followed by purification of TOPSA and then deacetylation of purified TOPSA.