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IPC Main Group
B01J 19/00

Chemical, physical or physico-chemical processes in general; Their relevant apparatus

Introduced: January 1980

Last revised: January 2006

Classification Context

Section:
PERFORMING OPERATIONS; TRANSPORTING
Class:
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Subclass:
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS

Filing statistics

IPC B01J 19/00 belongs to the parent subclass B01J, which recorded 498,869 patent applications worldwide between 2013 and 2023. Annual filings grew from 29,790 in 2013 to 56,315 in 2023 (+89%). The most active applicants in class B01 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (16,893 applications), CHINESE ACADEMY OF SCIENCES (11,733 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (3,898 applications).

Source: EPO PATSTAT, worldwide filings

Related Keywords

chemical, physico-chemical or physical APPARATUSchemical REACTORS

11 direct subcodes

Child Classifications

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  • B01J 19/02 Apparatus characterised by being constructed of material selected for its chemically-resistant properties
  • B01J 19/06 Solidifying liquids
  • B01J 19/14 Production of inert gas mixtures; Use of inert gases in general
  • B01J 19/16 Preventing evaporation or oxidation of non-metallic liquids by applying a floating layer, e.g. of microballoons
  • B01J 19/24 Stationary reactors without moving elements inside
  • 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
  • B01J 19/28 Moving reactors, e.g. rotary drums
  • B01J 19/3 Loose or shaped packing elements, e.g. Raschig rings or Berl saddles, for pouring into the apparatus for mass or heat transfer
  • 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

Top Applicants

Top 10 applicants by patent filingsfor class B01, 2013–2023, worldwide · Source: EPO PATSTAT

  1. SINOPEC (CHINA PETROCHEMICAL CORPORATION) 16,893
  2. CHINESE ACADEMY OF SCIENCES 11,733
  3. BASF (BADISCHE ANILIN & SODA FABRIK) DE 3,898
  4. LG CHEM KR 3,367
  5. PETROCHINA COMPANY 3,224
  6. IFPEN (IFP ENERGIES NOUVELLES) FR 3,042
  7. ZHEJIANG UNIVERSITY 2,890
  8. MANN + HUMMEL DE 2,740
  9. JOHNSON MATTHEY GB 2,534
  10. SAUDI ARABIAN OIL COMPANY SA 2,527