F25J2220/42 - CPC Classification Index

ClassID:

160426 ⎘

F25J2220/42 - CPC Classification

Classification description:

Processes or apparatus involving steps for the removal of impurities Separating low boiling, i.e. more volatile components from nitrogen, e.g. He, H, Ne

Recent Application in this class:

20190284112

2019-09-19

Method and system for producing olefins

20180023888

2018-01-25

METHOD FOR RECOVERING HELIUM

20080134716

2008-06-12

Method for Separating Trace Components from a Nitrogen-Rich Stream