IPC Subgroup
B01F 23/47 involving high-viscosity liquids, e.g. asphalt
Introduced: January 2022
Full Title
Mixing according to the phases to be mixed, e.g. dispersing or emulsifying > Mixing liquids with liquids; Emulsifying > involving high-viscosity liquids, e.g. asphalt
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
Additional Content
High viscosity liquids A high viscosity fluid is generally considered one with a viscosity above 2000 centipoise, such as the viscosity of bitumen measured at 25 deg.C.
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