IPC Subgroup
C02F 11/143 using inorganic substances
Introduced: January 2019
Full Title
Treatment of sludge; Devices therefor > by de-watering, drying or thickening > with addition of chemical agents > using inorganic substances
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- Subclass:
- TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
1 direct subcode
Child Classifications
Navigate with arrow keys, Enter to open
- C02F 11/145 using calcium compounds