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. 14, 2017
Filed:
Jun. 05, 2013
Applicant:
Huntsman International Llc, The Woodlands, TX (US);
Inventors:
Christopher Phanopoulos, Moorsel, BE;
Servaas Holvoet, Veltem-Beisem, BE;
Tugba Vardareli, Evere, BE;
Steve Diamanti, The Woodlands, TX (US);
Assignee:
HUNTSMAN INTERNATIONAL LLC, The Woodlands, TX (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08B 15/06 (2006.01); C08B 31/00 (2006.01); D06M 15/564 (2006.01); C08G 18/64 (2006.01); C08G 18/10 (2006.01); D06M 13/395 (2006.01); C08B 37/00 (2006.01); D21H 17/24 (2006.01); D06M 101/06 (2006.01); D06M 101/08 (2006.01);
U.S. Cl.
CPC ...
C08B 15/06 (2013.01); C08B 31/00 (2013.01); C08B 37/00 (2013.01); C08G 18/10 (2013.01); C08G 18/6484 (2013.01); D06M 13/395 (2013.01); D06M 15/564 (2013.01); D21H 17/24 (2013.01); D06M 2101/06 (2013.01); D06M 2101/08 (2013.01); D06M 2400/01 (2013.01);
Abstract
The invention relates to a process for preparing a polysaccharide derivative, comprising the steps of: (a) contacting at least one polysaccharide with at least one polysaccharide swelling agent at a temperature of at most 70° C.; and (b) subsequently, contacting the product of step (a) with at least one aromatic isocyanate; thereby preparing a polysaccharide derivative.