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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

  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