C08F 4/64 Titanium, zirconium, hafnium or compounds thereof
Introduced: July 1974
Title
Titles differ between systems:
IPC: Titanium, zirconium, hafnium, or compounds thereof
CPC: Titanium, zirconium, hafnium or compounds thereof
Full Title
Full titles differ between systems:
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
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
Of 8 combined children, 7 exist in both systems.
1 codes are CPC-only extensions.
6 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1990.
Child Classifications
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- C08F 4/642 Component covered by group C08F4/64 with an organo-aluminium compound since 1990 +3 CPC IPC+CPC Available in IPC and CPC
- C08F 4/643 Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44 other than an organo-aluminium compound since 1990 +1 CPC IPC+CPC Available in IPC and CPC
- C08F 4/645 Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44, not provided for in a single group of groups C08F4/642 - C08F4/643 since 1990 +1 CPC IPC+CPC Available in IPC and CPC
- C08F 4/646 Catalysts comprising at least two different metals, in metallic form or as compounds thereof, in addition to the component covered by group C08F4/64 since 1990 +1 CPC IPC+CPC Available in IPC and CPC
- C08F 4/647 Catalysts containing a specific non-metal or metal-free compound since 1990 IPC+CPC Available in IPC and CPC
- C08F 4/65 Pretreating the metal or compound covered by group C08F4/64 before the final contacting with the metal or compound covered by group C08F4/44 since 1990 IPC+CPC Available in IPC and CPC
- C08F 4/659 Component covered by group C08F4/64 containing a transition metal-carbon bond since 2006 +4 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class C08,2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 14,262
- DOW GLOBAL TECHNOLOGIES US 12,486
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 9,858
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 7,877
- CHINESE ACADEMY OF SCIENCES 6,993
- FUJIFILM JP 5,049
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 4,923
- SHIN-ETSU CHEMICAL COMPANY JP 4,517
- BOREALIS AT 4,213
- ARKEMA FR 4,098
Top Applicants (CPC)
Class C08,2013–2023, worldwide · Source: EPO PATSTAT
- LG CHEM KR 15,432
- DOW GLOBAL TECHNOLOGIES US 14,214
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 11,155
- 3M INNOVATIVE PROPERTIES COMPANY (MINNESOTA MINING AND MANUFACTURING INNOVATIVE PROPERTIES COMPANY) US 6,455
- FUJIFILM JP 6,178
- CHINESE ACADEMY OF SCIENCES 5,569
- SHIN-ETSU CHEMICAL COMPANY JP 5,506
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 5,443
- TORAY INDUSTRIES JP 4,635
- NITTO DENKO CORPORATION JP 4,620