Top IPC subclasses
1
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C03C
|
11
|
chemical composition of glasses, glazes, or vitreous enamelssurface treatment of glasssurface treatm
|
2
|
C23D
|
4
|
enamelling of, or applying a vitreous layer to, metals
|
3
|
D06F
|
1
|
laundering, drying, ironing, pressing or folding textile articles
|
4
|
C23G
|
1
|
cleaning or de-greasing of metallic material by chemical methods other than electrolysis
|
5
|
C10M
|
1
|
lubricating compositionsuse of chemical substances either alone or as lubricating ingredients in a l
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