Narrow band light absorbing filter

Details Narrow band light absorbing filter Narrow band light absorbing filter

1983-05-09

1986-07-22

Gron, Teddy S.

Compositions

Radioactive compositions

Nuclear reactor fuel

350311, 252589, F21V 906, G02B 522, G02B 528

Patent

active

046015329

ABSTRACT:
An optical transmission radiation filter absorbing between 320 and 500 nm comprises a polymeric film having a benzylidene or naphthalamide dye in combination with a phenol-formaldehyde resin which shifts the absorbing wavelength of the dyes.

REFERENCES:
patent: 1497747 (1924-06-01), Wieland
patent: 2568894 (1951-09-01), Mackey
patent: 3052636 (1962-09-01), Strobel
patent: 3060029 (1962-10-01), Gerwonka
patent: 3074971 (1963-01-01), Strobel
patent: 3125597 (1964-03-01), Wahl
patent: 3461287 (1969-08-01), Rai
patent: 4077971 (1978-03-01), Fujita
patent: 4431726 (1984-02-01), Kojima
"Part II-Colour, Dyeing and Fastness Properties . . . " J.S.D.C., Apr. 1977 A. T. Peters and M. S. Wild, pp. 133-140.

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