IPC Subgroup
B01J 35/7 characterised by their crystalline properties, e.g. semi-crystalline
Introduced: January 2024
Full Title
Catalysts, in general, characterised by their form or physical properties > characterised by their crystalline properties, e.g. semi-crystalline
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
Additional Content
Catalysts comprising carbon Molecular sieves
2 direct subcodes
Child Classifications
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- B01J 35/73 having a two-dimensional [2D] layered crystalline structure, e.g. layered double hydroxide [LDH]
- B01J 35/77 Compounds characterised by their crystallite size
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