Patent · US Active

Latent curing agent and epoxy compositions containing the same

US9334426B2 · kind B2 · utility

0Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 1, 2014
Grant dateMay 10, 2016
Priority date—
Expiry dateJul 2, 2034

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09J163/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A latent curing agent obtained by the reaction of a coumarin compound of the general formula (1),where X and Y can be independently H, an alkyl group, a heteroalkyl group, an aromatic group, a heteroaromatic group or an acetyl group and Z can be H, OH, an alkyl group, a heteroalkyl group, an aromatic group, a heteroaromatic group with an amine of the general formula (2),

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.