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:
Mar. 11, 2025
Filed:
Jan. 21, 2021
Covestro (Netherlands) B.v., Geleen, NL;
Patrick Johannes Maria Stals, Geleen, NL;
Daan Van Der Zwaag, Geleen, NL;
Alfred Jean Paul Bückmann, Geleen, NL;
Gerardus Cornelis Overbeek, Geleen, NL;
Jan Van Riel, Geleen, 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): whereby Ris H, Rand Rare independently chosen from H or an aliphatic hydrocarbon group containing from 1-4 carbon atoms, Ris an aliphatic hydrocarbon group containing from 1-4 carbon atoms, R'═H or an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms; R″ and R′″ are independently chosen from an aliphatic hydrocarbon group containing from 1 to 4 carbon atoms, a cycloaliphatic hydrocarbon group containing from 4 to 12 carbon atoms or an aromatic hydrocarbon group containing from 6 to 12 carbon atoms, 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.