Top IPC subclasses
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1
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C12N
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13
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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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A23L
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9
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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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3
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A23K
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7
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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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C07K
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6
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Peptides
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5
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A61K
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5
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Preparations for medical, dental, or toilet purposes
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6
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C12P
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5
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fermentation or enzyme-using processes to synthesise a desired chemical compound or composition or t
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7
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C12Q
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4
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measuring or testing processes involving enzymes or micro-organismscompositions or test papers there
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8
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B82Y
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4
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|
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9
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C01G
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3
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Compounds containing metals not covered by subclasses C01D or C01F
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|
10
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A61P
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3
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Specific therapeutic activity of chemical compounds or medicinal preparations
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11
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C12R
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2
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Indexing scheme associated with subclasses C12C-C12Q, relating to micro-organisms
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12
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B01J
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2
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Chemical or physical processes, e.g. catalysis, colloid chemistry; their relevant apparatus
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13
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B01D
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1
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Separation
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14
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A61D
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1
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veterinary instruments, implements, tools, or methods
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15
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C09B
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1
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organic dyes or closely-related compounds for producing dyesmordantslakes
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16
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A01K
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1
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animal husbandrycare of birds, fishes, insectsfishingrearing or breeding animals, not otherwise prov
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17
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A23J
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1
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protein compositions for foodstuffsworking-up proteins for foodstuffsphosphatide compositions for fo
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