Patent · US Active

Compositions and methods for storing holographic data

US7989488B2 · kind B2 · utility

1Cited by
7References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 2007
Grant dateAug 2, 2011
Priority date
Expiry dateApr 6, 2030

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B7/245
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

In one aspect, the present invention provides a novel thiophene-containing polynitrone compound having structure (II)wherein R1 is independently at each occurrence a C1-C20 aliphatic radical, a C3-C20 cycloaliphatic radical, or a C2-C30 aromatic radical; R2 is independently at each occurrence hydrogen, deuterium, a C1-C20 aliphatic radical, a C3-C20 cycloaliphatic radical, or a C2-C30 aromatic radical; and “a” is an integer from 2 to 4.

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