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:
Feb. 08, 2011
Filed:
Jun. 28, 2006
Fei Wang, Nanjing, CN;
Haibing He, Nanjing, CN;
Xin Yang, Nanjing, CN;
Yongzhu Yu, Nanjing, CN;
Zhisong Fan, Nanjing, CN;
Fei Wang, Nanjing, CN;
Haibing He, Nanjing, CN;
Xin Yang, Nanjing, CN;
Yongzhu Yu, Nanjing, CN;
Zhisong Fan, Nanjing, CN;
JK Sucralose Inc., Sheyang County, Jiangsu, CN;
Abstract
The invention discloses a method for improving the yield of sucralose, including reacting sucrose to produce sucrose-6-acetate in the existence of an azo reagent as a catalyst and acetic acid as an acylating agent in a proper solvent; then reacting sucrose-6-acetate with a proper chlorinating agent to produce sucralose-6-acetate in a non-proton polar solvent with TCA as a catalyst; and at last, alcoholyzing sucralose-6-acetate in KOH/methanol to obtain sucralose.