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DIFF Subgroup
C08F 4/647

Catalysts containing a specific non-metal or metal-free compound

Introduced: January 1990

Full Title

Full titles differ between systems:

IPC:

Polymerisation catalysts > Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors > selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths, or actinides > together with refractory metals, iron group metals, platinum group metals, manganese, technetium, rhenium, or compounds thereof > Refractory metals or compounds thereof > Titanium, zirconium, hafnium, or compounds thereof > Catalysts containing a specific non-metal or metal-free compound

CPC:

Polymerisation catalysts > Metals; Metal hydrides; Metallo-organic compounds; Use thereof as catalyst precursors > selected from light metals, zinc, cadmium, mercury, copper, silver, gold, boron, gallium, indium, thallium, rare earths or actinides > together with refractory metals, iron group metals, platinum group metals, manganese, rhenium or compounds thereof > Refractory metals or compounds thereof > Titanium, zirconium, hafnium or compounds thereof > Catalysts containing a specific non-metal or metal-free compound

IPC and CPC are identically structured here. All 2 subcodes exist in both systems.

IPC defines codes here since 1990.

Child Classifications

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  • C08F 4/648 inorganic since 1990 IPC+CPC Available in IPC and CPC

Top Applicants

Top Applicants (IPC)

Class C08,2013–2023, worldwide · Source: EPO PATSTAT

  1. LG CHEM KR 14,262
  2. DOW GLOBAL TECHNOLOGIES US 12,486
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
  4. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
  5. CHINESE ACADEMY OF SCIENCES 6,993
  6. FUJIFILM JP 5,049
  7. 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
  8. SHIN-ETSU CHEMICAL COMPANY JP 4,517
  9. BOREALIS AT 4,213
  10. ARKEMA FR 4,098

Top Applicants (CPC)

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