IPC Subgroup
C05F 7/02 from sulfite liquor or other waste lyes from the manufacture of cellulose
Introduced: September 1968
Last revised: January 2006
Full Title
Fertilisers from waste water, sewage sludge, sea slime, ooze or similar masses > from sulfite liquor or other waste lyes from the manufacture of cellulose
Classification Context
- Section:
- CHEMISTRY; METALLURGY
- Class:
- FERTILISERS; MANUFACTURE THEREOF
- Subclass:
- ORGANIC FERTILISERS NOT COVERED BY SUBCLASSES , , e.g. FERTILISERS FROM WASTE OR REFUSE