IPC Main Group
B01D 3/00 Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- Subclass:
- SEPARATION
Additional Content
Preparation of alcoholic beverages by distillation
Related Keywords
rectification of spirit ALCOHOL(S)DISTILLATION of fermented solutionsDISTILLATION in generalpreparing ETHANOL by distillation from fermented solutionsdistilling alcohol from products of FERMENTATIONRECTIFYING of spirit[= distillation apparatus]
9 direct subcodes
Child Classifications
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- B01D 3/02 in boilers or stills
- B01D 3/04 pipe stills
- B01D 3/06 Flash distillation
- B01D 3/08 in rotating vessels; Atomisation on rotating discs
- B01D 3/1 Vacuum distillation
- B01D 3/12 Molecular distillation
- B01D 3/14 Fractional distillation
- B01D 3/34 with one or more auxiliary substances
- B01D 3/42 Regulation; Control
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