Preparation of halogenated hydrocarbons

Introduced: September 1968

Last revised: January 2006

Classification Context

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

Filing statistics

IPC C07C 17/00 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

CHLOROFORMcycloaliphatic halogenated hydrocarbonspreparation of halogenated hydrocarbons

11 direct subcodes

Child Classifications

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C07C 17/007 from carbon or carbides and halogens
C07C 17/013 by addition of halogens
C07C 17/07 by addition of hydrogen halides
C07C 17/093 by replacement by halogens
C07C 17/23 by dehalogenation
C07C 17/25 by splitting-off hydrogen halides from halogenated hydrocarbons
C07C 17/26 by reactions involving an increase in the number of carbon atoms in the skeleton
C07C 17/35 by reactions not affecting the number of carbon or halogen atoms in the molecules
C07C 17/361 by reactions involving a decrease in the number of carbon atoms
C07C 17/37 by disproportionation of halogenated hydrocarbons
C07C 17/38 Separation; Purification; Stabilisation; Use of additives

Top Applicants

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

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