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B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
B01J19/122—Incoherent waves
B01J19/123—Ultraviolet light
C—CHEMISTRY; METALLURGY
C01—INORGANIC CHEMISTRY
C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
C01G41/00—Compounds of tungsten
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Physics & Mathematics
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FR904076D1940-04-231940-04-23Perfectionnements aux procédés de réactions photochimiques notamment au sujet d'oxydes métalliques
ExpiredFR904076A
(fr)