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:
Sep. 10, 2013
Filed:
Mar. 24, 2010
Wayne N. Boutzale, Saraland, AL (US);
David A. Dentel, Jurong Island, SG;
Mohamad R. Jaber, Rancho Cucamonga, CA (US);
Wayne N. Boutzale, Saraland, AL (US);
David A. Dentel, Jurong Island, SG;
Mohamad R. Jaber, Rancho Cucamonga, CA (US);
Tate & Lyle Technology Ltd., London, GB;
Abstract
A method for the chlorination of a sucrose-6-acylate to produce a 4,1',6′-trichloro-4,1′,6′-trideoxy-galactosucrose-β-acylate wherein said method comprises: (i) reacting the sucrose-6-acylate with a chlorinating agent in a reaction vehicle comprising a tertiary amide in order to chlorinate the 4, V and 6′ positions of the sucrose-6-acylate; and (ii) quenching the product stream of (i) to produce a 4,1′,6′-trichloro-4,1′,6′-trideoxy-galactosucrose-6-acylate; wherein before said quenching, a portion of the tertiary amide is removed.