IPC Subgroup
B01J 27/06 Halogens; Compounds thereof
Introduced: July 1974
Last revised: January 2006
Full Title
Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds > Halogens; Compounds thereof
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
6 direct subcodes
Child Classifications
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- B01J 27/08 Halides
- B01J 27/125 with scandium, yttrium, aluminium, gallium, indium or thallium
- B01J 27/128 with iron group metals or platinum group metals
- B01J 27/132 with chromium, molybdenum, tungsten or polonium
- B01J 27/135 with titanium, zirconium, hafnium, germanium, tin or lead
- B01J 27/138 with alkaline earth metals, magnesium, beryllium, zinc, cadmium or mercury
Top Applicants
Top 10 applicants by patent filingsfor 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