Patent ID: 11878969
Assignee: COVESTRO (NETHERLANDS) B.V.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 37:
38. The multi-aziridine compound according to claim 5, wherein R′ is H and R″=an alkyl group containing from 1 to 4 carbon atoms, CH2—O—(C═O)—R′″, CH2—O—R″″, or CH2—(OCH2CH2)n—OCH3, whereby R′″ is an alkyl group containing from 3 to 12 carbon atoms and R″″ is an alkyl group containing from 1 to 12 carbon atoms, wherein the multi-aziridine compound contains 2 or 3 structural units (A), wherein the multi-aziridine compound has a molecular weight of from 840 to 3800 Daltons.