C01B23/0015 - CPC Classification Index

ClassID:

84771 ⎘

C01B23/0015 - CPC Classification

Classification description:

Noble gases; Compounds thereof; Purification or separation processes of noble gases Chemical processing only

Sub-classes:

C01B23/0021 » {by oxidation} 11
C01B23/0026 » {by reduction} 7
C01B23/0031 » {by complexation} 2

Recent Application in this class:

20180050301

2018-02-22

Methods and systems for managing gas purification

20160325996

2016-11-10

Method for recovering and purifying argon gas from silicon single crystal manufacturing apparatus and apparatus for recovering and purifying argon gas

20110138877

2011-06-16

Helium reclamation systems and methods for a gas chromatograph

20070033968

2007-02-15

Process and apparatus for obtaining krypton and/or xenon