Patent · US Expired

Non-linear optical article

US4892681A · kind A · utility

9Cited by
0References
2Claims
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Assignee

Inventors

Key dates

Filing dateSep 29, 1987
Grant dateJan 9, 1990
Priority date
Expiry dateSep 29, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C49/84
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A non-linear optical article is constituted of a derivative of benzalacetophenone represented by the following general formula: ##STR1## wherein A and B each represent the same or different atom or group and stand for a hydrogen atom, an alkoxy group having 1 to 4 carbon atoms, a chlorine atom, a bromine atom, an amino group or a dialkylamino group having 1 to 2 carbon atoms.

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