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 SCIENTIFIQUE, Paris, FR;
SOCIÉTÉSOPREMA SAS, Strasbourg, FR;
UNIVERSITÉDE STRASBOURG, Strasbourg, FR;
Abstract
A rigid foam or a composition allowing a rigid foam to be obtained, including a polyester polyol or a polymer including a polyester polyol, the polyester polyol being obtained by a first polycondensation (a) of a C3 to C8 sugar alcohol Z and two identical or different C4 to C36 diacids Y and Y' and a second polycondensation (b) of the product obtained in (a) with two identical or different C2 to C12 diols X and X′.