Compounds of calcium, strontium, or barium (C01F7/00 takes precedence)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Compounds of calcium, strontium, or barium

CPC: Compounds of calcium, strontium, or barium (C01F7/00 takes precedence)

Full titles differ between systems:

IPC:

Compounds of calcium, strontium, or barium

CPC:

Compounds of calcium, strontium, or barium (C01F7/00 takes precedence)

Of 7 combined children, 6 exist in both systems.

1 codes are CPC-only extensions.

2 shared codes have differing titles between IPC and CPC.

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C01F 11/005 CPC only CPC only
C01F 11/02 Oxides or hydroxides (production of lime C04B2/00) IPC+CPC Available in IPC and CPC
C01F 11/18 Carbonates +5 CPC IPC+CPC Available in IPC and CPC
C01F 11/20 Halides IPC+CPC Available in IPC and CPC
C01F 11/36 Nitrates IPC+CPC Available in IPC and CPC
C01F 11/46 Sulfates (dehydration of gypsum C04B11/02) +4 CPC IPC+CPC Available in IPC and CPC
C01F 11/48 Sulfites 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