Optical filter

Details Optical filter Optical filter

1984-06-05

1987-02-17

Corbin, John K.

Compositions

Radioactive compositions

Nuclear reactor fuel

252582, 350311, C03C 408, G02B 110, G02C 710

Patent

active

046435379

ABSTRACT:
Polyol(allyl carbonate) monomer, e.g., diethylene glycol bis(allyl carbonate), containing 1-[(2,6-dibromo-4-methylphenyl)amino]-4-hydroxy-9,10-anthracenedione in amounts sufficient to selectively absorb at least 90 percent of the visible and ultraviolet light segments of the electromagnetic spectrum below 550 nanometers is described. Also described are ophthalmic articles prepared by curing the monomer.

REFERENCES:
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patent: 2370567 (1945-02-01), Muskrat et al.
patent: 2403113 (1946-07-01), Muskrat et al.
patent: 3106438 (1963-10-01), Converse et al.
patent: 4139578 (1979-02-01), Baughman et al.
patent: 4346197 (1982-08-01), Crano et al.
patent: 4360460 (1982-11-01), Hurter
F. Ullmann et al., "Uber 1-Oxy-4-Chlor-Anthrachinon", Chem. Ber. 53, 826-837, 835 (1920).
The Chemistry of Synthetic Dyes, vol. V, by K. Venkataraman, Ed., Part II, Acid Anthraquinone Dyes, p. 122, W. Schoenauer et al., Academic Press, Inc. (1971).
CA, vol. 79, 1973, 147420b, Anthraquinone Dyes.

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