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Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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37/00
Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
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B01J37/34
Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves; ; Ionic sputtering; Flame or plasma spraying; Particle radiation
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B01J37/341
making use of electric or magnetic fields, wave energy or particle radiation
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B01J37/342
of electric, magnetic or electromagnetic fields, e.g. for magnetic separation
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