DIFF Main Group
B01J 19/00 Chemical, physical or physico-chemical processes in general; Their relevant apparatus
Introduced: January 1980
Of 17 combined children, 11 exist in both systems.
6 codes are CPC-only extensions.
5 shared codes have differing titles between IPC and CPC.
IPC defines codes here since 1980.
Child Classifications
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- B01J 19/02 Apparatus characterised by being constructed of material selected for its chemically-resistant properties since 1980 IPC+CPC Available in IPC and CPC
- B01J 19/06 Solidifying liquids (making microcapsules B01J13/02) since 1980 IPC+CPC Available in IPC and CPC
- B01J 19/08 Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor (application of shock waves B01J3/08) since 1980 +2 CPC IPC+CPC Available in IPC and CPC
- B01J 19/14 Production of inert gas mixtures; Use of inert gases in general since 1980 IPC+CPC Available in IPC and CPC
- B01J 19/16 Preventing evaporation or oxidation of non-metallic liquids by applying a floating layer, e.g. of microballoons since 1980 IPC+CPC Available in IPC and CPC
- B01J 19/18 Stationary reactors having moving elements inside (B01J19/08, B01J19/26 take precedence) since 1980 +8 CPC IPC+CPC Available in IPC and CPC
- B01J 19/24 Stationary reactors without moving elements inside (B01J19/08, B01J19/26 take precedence; with stationary particles B01J8/02) since 1980 +9 CPC IPC+CPC Available in IPC and CPC
- B01J 19/26 Nozzle-type reactors, i.e. the distribution of the initial reactants within the reactor is effected by their introduction or injection through nozzles since 1980 IPC+CPC Available in IPC and CPC
- B01J 19/28 Moving reactors, e.g. rotary drums (B01J19/08 takes precedence) since 1980 +1 CPC IPC+CPC Available in IPC and CPC
- B01J 19/30 Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer since 1990 +1 CPC IPC+CPC Available in IPC and CPC
- B01J 19/32 Packing elements in the form of grids or built-up elements for forming a unit or module inside the apparatus for mass or heat transfer since 1990 +1 CPC IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class B01,2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 16,893
- CHINESE ACADEMY OF SCIENCES 11,733
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 3,898
- LG CHEM KR 3,367
- PETROCHINA COMPANY 3,224
- IFPEN (IFP ENERGIES NOUVELLES) FR 3,042
- ZHEJIANG UNIVERSITY 2,890
- MANN + HUMMEL DE 2,740
- JOHNSON MATTHEY GB 2,534
- SAUDI ARABIAN OIL COMPANY SA 2,527
Top Applicants (CPC)
Class B01,2013–2023, worldwide · Source: EPO PATSTAT
- SINOPEC (CHINA PETROCHEMICAL CORPORATION) 10,345
- CHINESE ACADEMY OF SCIENCES 8,352
- BASF (BADISCHE ANILIN & SODA FABRIK) DE 5,134
- LG CHEM KR 4,290
- SAUDI ARABIAN OIL COMPANY SA 3,444
- IFPEN (IFP ENERGIES NOUVELLES) FR 3,417
- DOW GLOBAL TECHNOLOGIES US 3,195
- MANN + HUMMEL DE 2,822
- JOHNSON MATTHEY GB 2,802
- UNIVERSAL OIL PRODUCTS COMPANY (UOP) US 2,737