Patent · US Expired

Polyphthalocyanine resins

US4234712A · kind A · utility

39Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 14, 1979
Grant dateNov 18, 1980
Priority date
Expiry dateSep 14, 1999

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G73/0672
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyphthalocyanine resins are obtained by heating one or more bisorthodiniles of the general formula: ##STR1## wherein R represents ##STR2## at temperature at or above the melting point thereof. The resins are useful in high-temperature structural composites and adhesives.

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