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:
May. 06, 2014
Filed:
Dec. 08, 2009
Applicants:
Jean-marie Bernard, Saint-Laurent d'Agny, FR;
Johannès Schwarz, Lyons, FR;
Philippe Olier, Lyons, FR;
Inventors:
Jean-Marie Bernard, Saint-Laurent d'Agny, FR;
Johannès Schwarz, Lyons, FR;
Philippe Olier, Lyons, FR;
Assignee:
Perstorp France, Saint-Priest, FR;
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/22 (2006.01); C08G 18/16 (2006.01);
U.S. Cl.
CPC ...
Abstract
A process for the preparation of an allophanate of one or more identical or different isocyanates, compositions obtained by the process, and uses of the compositions are disclosed. The process comprises reacting an isocyanate with at least one monoalcohol comprising an ether or polyether functional group in the presence of a bismuth-comprising catalyst and a metal compound as co-catalyst.