Patent · US Expired

5-amino-5-nitropyridinium halide crystal structure

US5514807A · kind A · utility

2Cited by
1References
3Claims
0Family size

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Inventors

Key dates

Filing dateApr 6, 1994
Grant dateMay 7, 1996
Priority date
Expiry dateApr 6, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/3612
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention relates to new noncentrosymmetric crystal structures consisting of an optionally substituted 2-amino-5-nitropyridinium halide. It also relates to a process for the preparation of these crystal structures. Finally, it relates to a device with an electro-optical effect comprising said crystal structure.

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