IPC Definitions - January 01, 2012
B01D 53/00 - Definition
References relevant to classification in this main group
This main group does not cover:
Separation of difficult-to-condense gases or air by liquefaction | F25J |
For the separation of specific gases or vapours, see the relevant places, e.g. for purification or separation of nitrogen | C01B 21/04 |
Working-up undefined gaseous mixtures obtained by cracking hydrocarbon oils | C10G 70/00 |
Cleaning coal gas | C10K |
Working-up of natural gas, or synthetic natural gas | C10L 3/10 |
For investigating materials | G01N 30/00 |