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:
Jan. 23, 2024
Filed:
Jul. 17, 2019
Covestro (Netherlands) B.v., Nieuwegein, NL;
Gerardus Cornelis Overbeek, Echt, NL;
Patrick Johannes Maria Stals, Echt, NL;
Daan Van Der Zwaag, Echt, NL;
Alfred Jean Paul Bückmann, Echt, NL;
Covestro (Netherlands) B.V., Geleen, NL;
Abstract
The present invention relates to a multi-aziridine compound having: a) from 2 to 6 of the following structural units (A): (A) whereby R′, R″, R, R, Rand Rare as defined herein m is an integer from 1 to 6; b) one or more linking chains wherein each one of these linking chains links two of the structural units A; and c) a molecular weight in the range from 600 Daltons to 5000 Daltons. The multi-aziridine compound can be used for example for crosslinking of for example carboxylic acid functional polymers dissolved and/or dispersed in an aqueous medium.