F25J1/003 - CPC Classification Index

ClassID:

160022 ⎘

F25J1/003 - CPC Classification

Classification description:

Processes or apparatus for liquefying or solidifying gases or gaseous mixtures characterised by the kind of cold generation within the liquefaction unit for compensating heat leaks and liquid production

Sub-classes:

F25J1/0032 » {using the feed stream itself or separated fractions from it, i.e. "internal refrigeration" } 16
F25J1/0047 » {using an "external" refrigerant stream in a closed vapor compression cycle } 21

Recent Application in this class:

20230213277

2023-07-06

SYSTEM AND METHOD FOR EFFICIENT NATURAL GAS PRETREATMENT

20220357102

2022-11-10

METHOD AND APPARATUS FOR FORMING SOLID CARBON DIOXIDE

20200292211

2020-09-17

Gas expansion system

20150121953

2015-05-07

PROCESS FOR RELIQUEFYING A METHANE-RICH FRACTION