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:
Dec. 28, 2021
Filed:
Feb. 20, 2018
Societe D'exploitation DE Produits Pour Les Industries Chimiques Seppic, Paris, FR;
Andre Benattar, Castres, FR;
Andrey Bonnardel, Castres, FR;
Jerome Guilbot, Castres, FR;
Sebastien Kerverdo, Vincennes, FR;
Herve Rolland, Castres, FR;
Guy Tabacchi, Paris, FR;
Abstract
A process for preparing a composition (C) represented by the formula (I): HO—CH—(CHOH)—CH—O-(G)-H, in which G represents the remainder of a reducing sugar, n is an integer equal to 2, 3 or 4 and x, which indicates the mean degree of polymerization of the remainder G, represents a decimal number greater than 1 and less than or equal to 5, characterized in that the process includes at least one step a) of reacting a polyol of formula (A): HO—CH—(CHOH)—CH—OH, in which n is an integer equal to 2, 3 or 4, with a reducing sugar of formula (II): HO-G-H, in which G represents the remainder of a reducing sugar, in the presence of an acid catalyst (C), and in that the acid catalyst (C) is chosen from phosphorous acid, phosphoric acid and polyphosphoric acid.