Patent · US Expired

Dicarboxylic compounds having 2,4-quinazolinedione rings and polyester resins derived therefrom

US3985711A · kind A · utility

2Cited by
2References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 5, 1975
Grant dateOct 12, 1976
Priority date
Expiry dateMar 5, 1995

Classification

  • Technology area (CPC A)Human Necessities
  • CPC primaryA61N2/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A dicarboxylic compound complying with one of the general formulae: ##SPC1## In which R is a divalent radical selected from the aliphatic, alicyclic and aromatic radicals, the aliphatic containing 1-20 carbon atoms and the other containing from 5 to 20 carbon atoms, R.sup.1 is selected from the hydrogen atom and the alkyl and cycloalkyl groups containing from 1 to 10 carbon atoms and R.sup.2 is selected from the alkyl and cycloalkyl groups containing from 1 to 10 carbon atoms, the polyester resins derived therefrom being usable as enamelling composition, particularly for coating metal wires.

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