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:
Jul. 30, 2013
Filed:
Sep. 02, 2008
Applicants:
Robert Carr, Bertem, BE;
Rabah Mouazer, Wavre, BE;
Ivo Frans Johanna Vankelecom, Blanden, BE;
Angels Cano Odena, Leuven, BE;
Inventors:
Robert Carr, Bertem, BE;
Rabah Mouazer, Wavre, BE;
Ivo Frans Johanna Vankelecom, Blanden, BE;
Angels Cano Odena, Leuven, BE;
Assignee:
Huntsman International LLC, The Woodlands, TX (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B01D 61/02 (2006.01); B01D 11/04 (2006.01); B01D 11/00 (2006.01); C07C 249/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
Method of fractionating a mixture of polyisocyanates in the liquid phase, optionally in the presence of a suitable solvent or mixture of two or more solvents, by means of a selectively permeable membrane into a permeate stream and a retentate stream of polyisocyanate compositions different to each other and different to the original mixture.