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IPC Subgroup
C07C 17/42

Use of additives, e.g. for stabilisation

Introduced: September 1968

Last revised: January 2006

Full Title

Preparation of halogenated hydrocarbons > Separation; Purification; Stabilisation; Use of additives > Use of additives, e.g. for stabilisation

Classification Context

Section:
CHEMISTRY; METALLURGY
Class:
ORGANIC CHEMISTRY
Subclass:
ACYCLIC OR CARBOCYCLIC COMPOUNDS

Filing statistics

IPC C07C 17/42 belongs to the parent subclass C07C, which recorded 319,159 patent applications worldwide between 2013 and 2023. Annual filings declined from 28,346 in 2013 to 26,894 in 2023 (-5%), peaking at 30,398 applications in 2020. The most active applicants in class C07 are CHINESE ACADEMY OF SCIENCES (12,697 applications), ROCHE (11,347 applications) and SINOPEC (CHINA PETROCHEMICAL CORPORATION) (11,024 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

stabilisation of halogenated hydrocarbons

Top Applicants

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

  1. CHINESE ACADEMY OF SCIENCES 12,697
  2. ROCHE CH 11,347
  3. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 11,024
  4. NOVARTIS CH 9,356
  5. BASF (BADISCHE ANILIN & SODA FABRIK) DE 8,531
  6. BRISTOL-MYERS SQUIBB COMPANY US 7,320
  7. LG CHEM KR 7,245
  8. REGENERON PHARMACEUTICALS US 6,816
  9. HARVARD UNIVERSITY US 6,190
  10. GENENTECH US 5,922