Patent classifications
C
CHEMISTRY; METALLURGY
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C01
INORGANIC CHEMISTRY
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C01B
NON-METALLIC ELEMENTS; COMPOUNDS THEREOF;; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
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3/00
Hydrogen; Gaseous mixtures containing hydrogen; Separation of hydrogen from mixtures containing it; Purification of hydrogen; Reversible storage of hydrogen
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C01B3/02
Production of hydrogen; Production of gaseous mixtures containing hydrogen
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C01B3/06
by reaction of inorganic compounds containing electro-positively bound hydrogen with inorganic reducing agents
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C01B3/12
by reaction of water vapour with carbon monoxide
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