Top IPC subclasses
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1
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C25B
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6
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Electrolytic or electrophoretic processes for the production of compounds or non- metals; apparatus therefor
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2
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C12H
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2
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pasteurisation, sterilisation, preservation, purification, clarification, ageing of alcoholic bevera
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3
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C07C
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1
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Acyclic or carbocyclic compounds
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4
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A23L
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1
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Foods, foodstuffs, or non-alcoholic beverages, not covered by subclasses A21D or A23B-A23J; their preparation or treatment, e.g. cooking, modification of nutritive qualities, physical treatment; preservation of foods or foodstuffs, in general
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