Patent classifications
B
PERFORMING OPERATIONS; TRANSPORTING
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B01
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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B01J
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
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2540/00
Compositional aspects of coordination complexes or ligands in catalyst systems
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B01J2540/40
Non-coordinating groups comprising nitrogen
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B01J2540/42
Quaternary ammonium groups
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