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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2531/00
Additional information regarding catalytic systems classified in B01J31/00
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B01J2531/02
Compositional aspects of complexes used, e.g. polynuclearity
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B01J2531/0238
Complexes comprising multidentate ligands, i.e. more than 2 ionic or coordinative bonds from the central metal to the ligand, the latter having at least two donor atoms, e.g. N, O, S, P
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B01J2531/0241
Rigid ligands, e.g. extended sp2-carbon frameworks or geminal di- or trisubstitution
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B01J2531/0244
Pincer-type complexes, i.e. consisting of a tridentate skeleton bound to a metal, e.g. by one to three metal-carbon sigma-bonds
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