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. 23, 2021
Filed:
Aug. 24, 2017
Tereos Starch & Sweeteners Belgium, Aalst, BE;
Centre National DE LA Recherche Scientifique, Paris, FR;
Société Soprema Sas, Strasbourg, FR;
Université DE Strasbourg, Strasbourg, FR;
Pierre Etienne Bindschedler, Strasbourg, FR;
Alexandru Sarbu, Strasbourg, FR;
Stephanie Laurichesse, Strasbourg, FR;
Remi Perrin, Strasbourg, FR;
Pierre Furtwengler, Paris, RE;
Luc Avérous, Paris, FR;
Andreas Redl, Aalst, BE;
TEREOS STARCH & SWEETENERS BELGIUM, Aalst, BE;
CENTRE NATIONAL DE LA RECHERCHE SCIEN'I'IFIQUE, Paris, FR;
SOCIÉTÉ SOPREMA SAS, Strasbourg, FR;
UNIVERSITÉ DE STRASBOURG, Strasbourg, FR;
Abstract
A polyester polyol of formula produced by a first polycondensation (a) of a sugar alcohol Z in C3 to C8 and two diacids Y and Y' which are the same or different in C4 to C36, and a second polycondensation (b) of the product produced in (a) with two diols X and X′ which are the same or different in C2 to C12, the polymer including such a polyester polyol. Also, a method for producing the polyester polyols and the use thereof in foams, adhesives, coatings or elastomers of polyurethane or polyisocyanurate.