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:
Sep. 01, 2026
Filed:
Jul. 06, 2022
Covestro Deutschland Ag, Leverkusen, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
A hydrophilic polyisocyanate composition includes a polyisocyanate component A) and an emulsifier component B. The polyisocyanate component A) consists of at least one polyisocyanate, including silane and thioallophanate structures, of general formula (I), in which R1, R2 and R3 represent identical or different functional groups and each denote a saturated or unsaturated, linear or branched, aliphatic or cyclo-aliphatic or optionally substituted aromatic or araliphatic functional group having up to 18 carbon atoms, which functional group can optionally also contain up to 3 heteroatoms from the series oxygen, sulfur and nitrogen, X represents a linear or branched organic functional group having at least 2 carbon atoms, Y represents a linear or branched, aliphatic or cycloaliphatic, araliphatic or aromatic functional group having up to 18 carbon atoms, and n represents an integer from 1 to 20, and the emulsifier component B) contains at least one ionic and/or nonionic emulsifier.