CPC Subgroup Additional Only
C08G 2261/322 non-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 > non-condensed
10 direct subcodes
Child Classifications
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- C08G 2261/3221 containing one or more nitrogen atoms as the only heteroatom, e.g. pyrrole, pyridine or triazole
- C08G 2261/3222 containing one or more oxygen atoms as the only heteroatom, e.g. furan
- C08G 2261/3223 containing one or more sulfur atoms as the only heteroatom, e.g. thiophene
- C08G 2261/3224 containing one or more Si atoms as the only heteroatom
- C08G 2261/3225 containing one or more Se atoms as the only heteroatom
- C08G 2261/3226 containing one or more Te atoms as the only heteroatom
- C08G 2261/3227 containing only one kind of heteroatoms other than N, O, S, Si, Se, Te
- C08G 2261/3228 containing nitrogen and oxygen as heteroatoms
- C08G 2261/3229 containing nitrogen and sulfur as heteroatoms
- C08G 2261/323 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