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PCE
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CPC Subgroup
C08F 6/06

Treatment of polymer solutions

Full Title

Post-polymerisation treatments (C08F8/00 takes precedence; of conjugated diene rubbers C08C) > Treatment of polymer solutions

3 direct subcodes

Child Classifications

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  • C08F 6/08 Removal of catalyst residues
  • C08F 6/10 Removal of volatile materials, e.g. solvents
  • C08F 6/12 Separation of polymers from solutions

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