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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

  1. LG CHEM KR 15,432
  2. DOW GLOBAL TECHNOLOGIES US 14,214
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
  4. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
  5. FUJIFILM JP 6,178
  6. CHINESE ACADEMY OF SCIENCES 5,569
  7. SHIN-ETSU CHEMICAL COMPANY JP 5,506
  8. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
  9. TORAY INDUSTRIES JP 4,635
  10. NITTO DENKO CORPORATION JP 4,620