Patents Assigned to CENTRE NATIONAL DE LA RECHERCHE SCIEN'I'IFIQUE
  • Method for producing polyester polyols and use thereof in polyurethane
    Patent number: 11180606
    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.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: November 23, 2021
    Assignees: TEREOS STARCH & SWEETENERS BELGIUM, CENTRE NATIONAL DE LA RECHERCHE SCIEN'I'IFIQUE, SOCIÉTÉ SOPREMA SAS, UNIVERSITÉ DE STRASBOURG
    Inventors: Pierre Etienne Bindschedler, Alexandru Sarbu, Stephanie Laurichesse, Remi Perrin, Pierre Furtwengler, Luc Avérous, Andreas Redl