Cyanogen; Compounds thereof

Filing statistics

CPC C01C 3/00 belongs to the parent subclass C01C, which recorded 10,840 patent applications worldwide between 2013 and 2023. Annual filings grew from 558 in 2013 to 1,445 in 2023 (+159%). The most active applicants in class C01 are CHINESE ACADEMY OF SCIENCES (4,293 applications), LG CHEM (3,317 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (2,219 applications).

Source: EPO PATSTAT, worldwide filings

14 direct subcodes

Child Classifications

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C01C 3/001
C01C 3/002
C01C 3/003
C01C 3/004
C01C 3/005
C01C 3/006
C01C 3/007
C01C 3/008
C01C 3/02 Preparation, of hydrogen cyanide
C01C 3/06 Stabilisation of hydrogen cyanide
C01C 3/08 Simple or complex cyanides of metals
C01C 3/14 Cyanic acid; Salts thereof
C01C 3/16 Cyanamide; Salts thereof (; dicyandiamide C07C279/28)
C01C 3/20 Thiocyanic acid; Salts thereof

Top Applicants

Top 10 applicants by patent filingsfor class C01, 2013–2023, worldwide · Source: EPO PATSTAT

CHINESE ACADEMY OF SCIENCES 4,293
LG CHEM KR 3,317
BASF (BADISCHE ANILIN & SODA FABRIK) DE 2,219
SINOPEC (CHINA PETROCHEMICAL CORPORATION) 2,154
OMYA INTERNATIONAL CH 1,524
PANASONIC INTELLECTUAL PROPERTY JP 1,362
SAUDI ARABIAN OIL COMPANY SA 1,298
SUMITOMO METAL MINING COMPANY JP 1,286
CENTRAL SOUTH UNIVERSITY 1,243
L'AIR LIQUIDE SOCIETE ANONYME POUR L'ETUDE ET L'EXPLOITATION DES PROCEDES GEORGES CLAUDE FR 1,238