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CPC Subgroup Additional Only
B01J 2531/0261

Complexes comprising ligands with non-tetrahedral chirality

Full Title

Additional information regarding catalytic systems classified in B01J31/00 > Compositional aspects of complexes used, e.g. polynuclearity > Complexes comprising ligands with non-tetrahedral chirality

2 direct subcodes

Child Classifications

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  • B01J 2531/0263 Planar chiral ligands, e.g. derived from donor-substituted paracyclophanes and metallocenes or from substituted arenes
  • B01J 2531/0266 Axially chiral or atropisomeric ligands, e.g. bulky biaryls such as donor-substituted binaphthalenes, e.g. "BINAP" or "BINOL"

Top Applicants

Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
  2. CHINESE ACADEMY OF SCIENCES 8,352
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
  4. LG CHEM KR 4,290
  5. SAUDI ARABIAN OIL COMPANY SA 3,444
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
  7. DOW GLOBAL TECHNOLOGIES US 3,195
  8. MANN + HUMMEL DE 2,822
  9. JOHNSON MATTHEY GB 2,802
  10. UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737