IPC Subgroup
B03D 1/01 containing nitrogen
Introduced: January 1990
Last revised: January 2006
Full Title
Flotation > Flotation agents > Organic compounds > containing nitrogen
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- Subclass:
- FLOTATION; DIFFERENTIAL SEDIMENTATION