Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
Load children
B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Load children
B01J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
Load children
2220/00
Aspects relating to sorbent materials
Load children Filter patents View analytics View as hierarchy
B01J2220/40
Aspects relating to the composition of sorbent or filter aid materials
Load children Filter patents View analytics View as hierarchy
B01J2220/48
Sorbents characterised by the starting material used for their preparation
Load children Filter patents View analytics View as hierarchy
B01J2220/4875
the starting material being a waste, residue or of undefined composition
Load children Filter patents View analytics View as hierarchy