Patent · US Expired

Novel imidazolides and their use as curing agents for polyepoxide compounds

US4587311A · kind A · utility

18Cited by
2References
6Claims
0Family size

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Key dates

Filing dateApr 20, 1984
Grant dateMay 6, 1986
Priority date
Expiry dateApr 20, 2004

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G59/44
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

There are described novel imidazolides (N-acylimidazoles) of the formula I ##STR1## wherein R.sub.1 is methyl, ethyl or isopropyl, PA0 R.sub.2, R.sub.3 and R.sub.4 independently of one another are each hydrogen, methyl, ethyl or isopropyl, with the proviso that R.sub.2 is hydrogen only when R.sub.1 is isopropyl, PA0 R.sub.5, R.sub.6 and R.sub.7 independently of one another are each hydrogen, methyl, ethyl or isopropyl, or phenyl which is unsubstituted or substituted by methyl or ethyl groups, with the proviso that at least one of the symbols R.sub.5, R.sub.6 and R.sub.7 is phenyl which is unsubstituted or substituted according to definition. The imidazolides (I) are suitable as curing agents for polyepoxide compounds.

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