Halogens; Halogen acids (oxyacids C01B11/00)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Halogens; Halogen acids

CPC: Halogens; Halogen acids (oxyacids C01B11/00)

Full titles differ between systems:

IPC:

Halogens; Halogen acids

CPC:

Halogens; Halogen acids (oxyacids C01B11/00)

IPC and CPC are identically structured here. All 5 subcodes exist in both systems.

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C01B 7/01 Chlorine; Hydrogen chloride since 1974 +3 CPC IPC+CPC Available in IPC and CPC
C01B 7/09 Bromine; Hydrogen bromide since 1974 +2 CPC IPC+CPC Available in IPC and CPC
C01B 7/13 Iodine; Hydrogen iodide since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C01B 7/19 Fluorine; Hydrogen fluoride since 1974 +1 CPC IPC+CPC Available in IPC and CPC
C01B 7/24 Inter-halogen compounds IPC+CPC Available in IPC and CPC

Class C01,2013–2023, worldwide · Source: EPO PATSTAT

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