F25J2215/52 - CPC Classification Index

ClassID:

160413 ⎘

F25J2215/52 - CPC Classification

Classification description:

Processes characterised by the type or other details of the product stream; Oxygen or special cases, e.g. isotope-mixtures or low purity O Oxygen production with multiple purity O

Recent Application in this class:

20230358468

2023-11-09

PROCESS AND APPARATUS FOR CRYOGENIC SEPARATION OF AIR WITH MIXED GAS TURBINE

20230168030

2023-06-01

PROCESS FOR CRYOGENIC FRACTIONATION OF AIR, AIR FRACTIONATION PLANT AND INTEGRATED SYSTEM COMPOSED OF AT LEAST TWO AIR FRACTIONATION PLANTS

20210381761

2021-12-09

Method and unit for low-temperature air separation

20170205142

2017-07-20

Method for obtaining an air product in an air separation plant and air separation plant

20140053601

2014-02-27

Method and apparatus for separating air by cryogenic distillation

20110302956

2011-12-15

Rare gases recovery process for triple column oxygen plant

20100071412

2010-03-25

Method and apparatus for producing high purity oxygen

20090064714

2009-03-12

PROCESS FOR LOW-TEMPERATURE SEPARATION OF AIR

20080223076

2008-09-18

Cryogenic Distillation Method and Installation for Air Separation

#10

20070221492

2007-09-27

Method and Installation for Supplying Highly Pure Oxygen By Cryogenic Distillation of Air