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CPC Subgroup
C07C 209/84

Purification

Full Title

Preparation of compounds containing amino groups bound to a carbon skeleton > Purification; Separation; Stabilisation; Use of additives > Purification

Filing statistics

CPC C07C 209/84 belongs to the parent subclass C07C, which recorded 309,912 patent applications worldwide between 2013 and 2023. Annual filings grew from 24,406 in 2013 to 24,505 in 2023 (+0%), peaking at 31,531 applications in 2016. The most active applicants in class C07 are ROCHE (12,683 applications), NOVARTIS (10,775 applications) and CHINESE ACADEMY OF SCIENCES (10,619 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class C07, 2013–2023, worldwide · Source: EPO PATSTAT

  1. ROCHE CH 12,683
  2. NOVARTIS CH 10,775
  3. CHINESE ACADEMY OF SCIENCES 10,619
  4. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,511
  5. REGENERON PHARMACEUTICALS US 8,426
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,979
  7. LG CHEM KR 7,978
  8. HARVARD UNIVERSITY US 7,706
  9. UNIVERSITY OF CALIFORNIA US 7,455
  10. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,219