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. 29, 2023
Filed:
Dec. 20, 2018
Covestro Deutschland Ag, Leverkusen, DE;
Jürgen Köcher, Langenfeld, DE;
Thomas Fulsche, Langenfeld, DE;
Thomas Schüttler, Cologne, DE;
Marianne Struwe, Langenfeld, DE;
Matthias Wintermantel, Hürth, DE;
Covestro Deutschland AG, Leverkusen, DE;
Abstract
The invention relates to a polyurea compound, which can be produced by reacting a polyisocyanate with a dialkoxy amino silane according to general formula R(RO)Si(CH)NHRand optionally also with a trialkoxy amino silane according to general formula (RO)Si(CH)NHRwherein the groups Rare selected independently from one another from C-C-alkyl or C-C-aryl, n and m are each whole numbers between 1 and 4, the groups Rare selected independently from one another from —H, C-CO-alkyl, C3-C12-cycloalkyl, and —CHRCHCOOR, the groups Rare selected independently from one another from H, C-C-alkyl and —COOR, and the groups Rrepresent C-C-alkyl independently from one another. The invention also relates to the use of the compound as a binder for producing coatings.