Top IPC subclasses
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1
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C12N
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37
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Micro-organisms or enzymes; compositions thereof; propagating, preserving, or maintaining micro-organisms; mutation or genetic engineering; culture media
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2
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C12R
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11
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Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
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3
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A23K
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11
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Feeding-stuffs specially adapted for animals; methods specially adapted for production thereof
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4
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C01G
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9
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Compounds containing metals not covered by subclasses C01D or C01F
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5
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B82Y
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5
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|
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6
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C01B
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3
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non-metallic elementscompounds thereof
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7
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A61K
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3
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Preparations for medical, dental, or toilet purposes
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8
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A61D
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3
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veterinary instruments, implements, tools, or methods
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9
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C07F
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3
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acyclic, carbocyclic, or heterocyclic compounds containing elements other than carbon, hydrogen, hal
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10
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C12P
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3
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fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or t
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11
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C07C
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2
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Acyclic or carbocyclic compounds
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12
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F26B
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2
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Drying solid materials or objects by removing liquid therefrom
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13
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C09B
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2
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organic dyes or closely-related compounds for producing dyesmordantslakes
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14
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A61P
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2
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Specific therapeutic activity of chemical compounds or medicinal preparations
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15
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C12Q
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2
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measuring or testing processes involving enzymes or micro-organismscompositions or test papers there
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16
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A23L
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2
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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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17
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B01D
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1
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Separation
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|
18
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C07D
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1
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Heterocyclic compounds
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|
19
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C08B
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1
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polysaccharidesderivatives thereof
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|
20
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A01N
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1
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Preservation of bodies of humans or animals or plants or parts thereof; biocides, e.g. as disinfectants, as pesticides or as herbicides; pest repellants or attractants; plant growth regulators
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