IPC 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
Introduced: September 1968
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
Related Keywords
GRANULATING in generalmaking POWDER in general
12 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 2/1 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 2/2 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 2/3 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) 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