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:
Dec. 29, 2020
Filed:
Dec. 20, 2016
Applicant:
Bostik SA, La Plaine Saint Denis, FR;
Inventors:
Federico Sanz, Choisy Au Bac, FR;
Andre Opillard, Noyon, FR;
Assignee:
BOSTIK SA, Colombes, FR;
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/12 (2006.01); C08G 18/76 (2006.01); C08G 18/30 (2006.01); C08G 18/48 (2006.01); C08L 75/08 (2006.01); C08G 18/10 (2006.01); C08G 18/75 (2006.01); C08L 75/04 (2006.01);
U.S. Cl.
CPC ...
C08G 18/12 (2013.01); C08G 18/10 (2013.01); C08G 18/307 (2013.01); C08G 18/4812 (2013.01); C08G 18/755 (2013.01); C08G 18/7621 (2013.01); C08G 18/7642 (2013.01); C08G 18/7671 (2013.01); C08L 75/04 (2013.01); C08L 75/08 (2013.01);
Abstract
The invention relates to a method for synthesizing NCO-terminated polyurethanes having improved elastic properties, said method involving the staggered addition of diisocyanate(s). The invention also relates to NCO-terminated polyurethanes that have high elongation at break and can be obtained using the disclosed method. The invention finally relates to adhesive, mastic and/or coating compositions comprising the disclosed NCO-terminated polyurethane.