Obtaining drying-oils (preparation of synthetic oil by polymerisation C08F, C08G)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Obtaining drying-oils

CPC: Obtaining drying-oils (preparation of synthetic oil by polymerisation C08F, C08G)

Full titles differ between systems:

IPC:

Obtaining drying-oils

CPC:

Obtaining drying-oils (preparation of synthetic oil by polymerisation C08F, C08G)

IPC and CPC are identically structured here. All 4 subcodes exist in both systems.

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C09F 5/02 from natural sources IPC+CPC Available in IPC and CPC
C09F 5/06 by dehydration of hydroxylated fatty acids or oils IPC+CPC Available in IPC and CPC
C09F 5/08 by esterification of fatty acids IPC+CPC Available in IPC and CPC
C09F 5/10 Refining IPC+CPC Available in IPC and CPC

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

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