Method for increasing the ultra-violet light transmittance of et

Details Method for increasing the ultra-violet light transmittance of et Method for increasing the ultra-violet light transmittance of et

1980-03-05

1981-09-15

Evans, Joseph E.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

568852, C07C 3120

Patent

active

042895936

ABSTRACT:
The ultraviolet light transmittance of ethylene glycol containing ultraviolet light absorbing impurities is increased by exposing the ethylene glycol to ultraviolet radiation at a wavelength of at least 220 nanometers from a controllable ultraviolet radiation emission source.

REFERENCES:
patent: 3970711 (1976-07-01), Reiche et al.
patent: 4045316 (1977-08-01), Legan
Van der Linde et al., "Photochem. Photobiol.", vol. 13, pp. 147-155 (1971).
Armstrong et al., "Nature", No. 5048, pp. 481-484, Jul. 30, 1966.

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