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:
Aug. 03, 2021
Filed:
Dec. 06, 2010
Marc Fricke, Osnabrueck, DE;
Mark Elbing, Bremen, DE;
Marc Fricke, Osnabrueck, DE;
Mark Elbing, Bremen, DE;
BASF SE, Ludwigshafen, DE;
Abstract
The invention relates to a porous material comprising at least one polyfunctional isocyanate (a1) and at least one polyfunctional substituted aromatic amine (a2-s) of the general formula (I): where Rand Rare selected from among hydrogen and linear or branched alkyl groups having from 1 to 6 carbon atoms and all substituents Qto Qand Qto Qare selected from among hydrogen, a primary amino group and a linear or branched alkyl group having from 1 to 12 carbon atoms, where at least one of Q, Qand Qand at least one of Q, Qand Qis a primary amino group and the compound has at least one linear or branched alkyl group having from 1 to 12 carbon atoms in the α position relative to at least one primary amino group bound to the aromatic ring in formula (I).