Top IPC subclasses
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1
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C07C
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11
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Acyclic or carbocyclic compounds
|
|
2
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C12N
|
8
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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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|
3
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A61P
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6
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Specific therapeutic activity of chemical compounds or medicinal preparations
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|
4
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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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|
5
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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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|
6
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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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|
7
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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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|
8
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C01F
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2
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compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium
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|
9
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A01G
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2
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Horticulture; cultivation of vegetables, flowers, rice, fruit, vines, hops, or seaweed; forestry; watering
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|
10
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C04B
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2
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Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
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|
11
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A01H
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1
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New plants or processes for obtaining them; plant reproduction by tissue culture techniques
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