Black electrophoretic particles and method of manufacture

Details Black electrophoretic particles and method of manufacture Black electrophoretic particles and method of manufacture

1994-09-14

1998-01-13

Thibodeau, Paul J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

252570, 313483, 42840224, 428403, 428500, 428515, 428689, H01B 324, B32B 900, B32B 1900

Patent

active

057077380

ABSTRACT:
The present invention are dielectric black particles for use in electrophoretic images displays, electrostatic toner or the like, and the corresponding method of manufacturing the same. The present invention black particles are latex particles formed by a polymerization technique, wherein the latex particles are stained to a high degree of blackness with a metal oxide.

REFERENCES:
patent: 3668106 (1972-06-01), Ota
patent: 4126528 (1978-11-01), Chiang
patent: 4298448 (1981-11-01), Muller et al.
patent: 4655897 (1987-04-01), DiSanto et al.
patent: 5403518 (1995-04-01), Schubert
Ruthenium Tetroxide for Fixing and Staining Cytoplasmic Membranes; Gaylarde et al.; Sep. 13, 1968 in Science, vol. 16, pp. 1157-1158.
Ruthenium Tetroxide as a Staining Agent for Unsaturated and Saturated Polymers; Vitali et al.; Oct.1980, in Polymer, vol. 21, pp. 1220-1222.
Electron Microscopy of PS/PMMA and Rubber-Modified Polymer Blends: Use of Ruthenium Tetroxide as a New Staining Agent: Trent et al.; 1981 in Journal of Polymer Science; Polymer Letters Edition, 19, vol. 19, pp. 315-319.
Ruthenium Tetraoxide Staining of Polymers for Electron Microscopy; Trent et al.; 1983 in America Chemical Society, Macromolecules, vol. 16, No. 4, pp. 589-598.

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