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DIFF Subgroup
C08F 4/659

Component covered by group C08F4/64 containing a transition metal-carbon bond

Introduced: January 2006

Title

Titles differ between systems:

IPC: Component covered by group containing a transition metal-carbon bond

CPC: Component covered by group C08F4/64 containing a transition metal-carbon bond

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 > Component covered by group containing a transition metal-carbon bond

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 > Component covered by group C08F4/64 containing a transition metal-carbon bond

CPC subdivides this area 5x more granularly than IPC with 4 additional codes.

4 codes are CPC-only extensions.

IPC defines codes here since 2006.

Child Classifications

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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