Patent · US Active

Curing agents for epoxy resins

US9499653B2 · kind B2 · utility

1Cited by
13References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 23, 2012
Grant dateNov 22, 2016
Priority date
Expiry dateFeb 23, 2032

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L75/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention relates to new mixtures containing cyanamide and a urea derivative, to liquid curing agents for curing polymer resins, in particular epoxy resins, and to epoxy resin compositions comprising liquid curing agents for producing fibre composite materials.

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