Patent · US Expired

Novel tetracyanoanthraquinodimethane derivatives and process for producing same

US4990634A · kind A · utility

11Cited by
3References
3Claims
0Family size

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Key dates

Filing dateSep 14, 1987
Grant dateFeb 5, 1991
Priority date
Expiry dateSep 14, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G5/0618
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A novel tetracyanoanthraquinodimethane derivative and a process for producing it are disclosed, the tetracyanoanthraquinodimethane derivative being represented by formula: ##STR1## wherein R, m, and n are as defined in the specification. A solid charge transfer complex of the tetracyanoanthraquinodimethane derivative with an electron donating compound and a process for producing it are also disclosed.

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