CPC Subgroup Additional Only
C08G 2261/324 condensed
Full Title
Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule > Monomer units or repeat units incorporating structural elements in the main chain > incorporating heteroaromatic structural elements in the main chain > condensed
7 direct subcodes
Child Classifications
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- C08G 2261/3241 containing one or more nitrogen atoms as the only heteroatom, e.g. carbazole
- C08G 2261/3242 containing one or more oxygen atoms as the only heteroatom, e.g. benzofuran
- C08G 2261/3243 containing one or more sulfur atoms as the only heteroatom, e.g. benzothiophene
- C08G 2261/3244 containing only one kind of heteroatoms other than N, O, S
- C08G 2261/3245 containing nitrogen and oxygen as heteroatoms
- C08G 2261/3246 containing nitrogen and sulfur as heteroatoms
- C08G 2261/3247 containing combinations of different heteroatoms other than nitrogen and oxygen or nitrogen and sulfur
Top Applicants
Top 10 applicants by patent filingsfor class C08, 2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 15,432
- DOW GLOBAL TECHNOLOGIES US 14,214
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
- FUJIFILM JP 6,178
- CHINESE ACADEMY OF SCIENCES 5,569
- SHIN-ETSU CHEMICAL COMPANY JP 5,506
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
- TORAY INDUSTRIES JP 4,635
- NITTO DENKO CORPORATION JP 4,620