containing organic compounds

Introduced: July 1974

Full Title

Full titles differ between systems:

IPC:

Anti-oxidant compositions; Compositions inhibiting chemical change > containing organic compounds

CPC:

Anti-oxidant compositions; Compositions inhibiting chemical change ( , in foodstuffs A21D, A23, , in macromolecular compositions C08; in liquid fuels or lubricants C10; in fats, fatty substances, fatty oils or waxes C11B5/00; in detergents C11D; ; corrosion inhibiting compositions for metallic material C23F11/00) > containing organic compounds

IPC and CPC are identically structured here. All 9 subcodes exist in both systems.

IPC defines codes here since 1974.

Child Classifications

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C09K 15/06 containing oxygen since 1974 IPC+CPC Available in IPC and CPC
C09K 15/10 containing sulfur since 1974 IPC+CPC Available in IPC and CPC
C09K 15/12 containing sulfur and oxygen since 1974 IPC+CPC Available in IPC and CPC
C09K 15/16 containing nitrogen since 1974 IPC+CPC Available in IPC and CPC
C09K 15/20 containing nitrogen and oxygen since 1974 IPC+CPC Available in IPC and CPC
C09K 15/26 containing nitrogen and sulfur since 1974 IPC+CPC Available in IPC and CPC
C09K 15/28 containing nitrogen, oxygen and sulfur since 1974 IPC+CPC Available in IPC and CPC
C09K 15/30 containing heterocyclic ring with at least one nitrogen atom as ring member since 1974 IPC+CPC Available in IPC and CPC
C09K 15/32 containing boron, silicon, phosphorus, selenium, tellurium or a metal since 1974 +3 CPC IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C09,2013–2023, worldwide · Source: EPO PATSTAT

LG CHEM KR 6,420
NITTO DENKO CORPORATION JP 5,752
HALLIBURTON ENERGY SERVICES GROUP US 5,650
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 5,635
DOW GLOBAL TECHNOLOGIES US 4,844
MERCK PATENT DE 4,779
CHINESE ACADEMY OF SCIENCES 4,311
FUJIFILM JP 4,205
BASF (BADISCHE ANILIN & SODA FABRIK) DE 4,039
SINOPEC (CHINA PETROCHEMICAL CORPORATION) 3,931

Top Applicants (CPC)

Class C09,2013–2023, worldwide · Source: EPO PATSTAT

LG CHEM KR 7,954
HALLIBURTON ENERGY SERVICES GROUP US 6,584
NITTO DENKO CORPORATION JP 6,500
3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,490
DOW GLOBAL TECHNOLOGIES US 6,324
FUJIFILM JP 5,832
MERCK PATENT DE 5,481
BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,147
SAMSUNG DISPLAY KR 5,105
NITTO DENKO CORPORATION 3,584