CPC Main Group
B01J 2/00 Processes or devices for granulating materials in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
Filing statistics
CPC B01J 2/00 belongs to the parent subclass B01J, which recorded 375,224 patent applications worldwide between 2013 and 2023. Annual filings grew from 21,358 in 2013 to 35,413 in 2023 (+66%), peaking at 40,354 applications in 2020. The most active applicants in class B01 are SINOPEC (CHINA PETROCHEMICAL CORPORATION) (10,345 applications), CHINESE ACADEMY OF SCIENCES (8,352 applications) and BASF (BADISCHE ANILIN & SODA FABRIK) (5,134 applications).
Source: EPO PATSTAT, worldwide filings
14 direct subcodes
Child Classifications
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- B01J 2/02 by dividing the liquid material into drops, e.g. by spraying, and solidifying the drops
- B01J 2/10 in stationary drums or troughs, provided with kneading or mixing appliances
- B01J 2/12 in rotating drums
- B01J 2/14 in rotating dishes or pans
- B01J 2/16 by suspending the powder material in a gas, e.g. in fluidised beds or as a falling curtain
- B01J 2/18 using a vibrating apparatus
- B01J 2/20 by expressing the material, e.g. through sieves and fragmenting the extruded length
- B01J 2/22 by pressing in moulds or between rollers
- B01J 2/24 Obtaining flakes by scraping a solid layer from a surface
- B01J 2/26 on endless conveyor belts
- B01J 2/28 using special binding agents
- B01J 2/30 using agents to prevent the granules sticking together; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
Top Applicants
Top 10 applicants by patent filingsfor 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