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:
Jun. 07, 2016
Filed:
Dec. 13, 2013
Bostik SA, La Plaine St Denis, FR;
Guillaume Michaud, Compiegne, FR;
Frederic Simon, Pont l'Eveque, FR;
Stephane Fouquay, Mont Saint-aignan, FR;
Liana Annunziata, Salerno, IT;
Sophie Guillaume, Vitre, FR;
Jean Francois Carpentier, Acigne, FR;
BOSTIK SA, La Plaine St Denis, FR;
Abstract
Process for the preparation of a hydrocarbon polymer comprising two end groups having 2-oxo-1,3-dioxolan-4-yl final parts by ring opening metathesis in the presence of a metathesis catalyst, of a chain transfer agent comprising a carbonate ring and of a compound of formula comprising at least one C-Cring having a carbon-carbon double bond. Hydrocarbon polymer capable of being obtained by this process. Process for the preparation of polyurethanes by reaction of this polymer and of a compound comprising at least one amine group, and polyurethanes thus obtained.