ClassID:

32251

B01J3/042 - CPC Classification

Classification description:

Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor; Pressure vessels, e.g. autoclaves in the form of a tube

Recent Application in this class:
#1
20260118073
2026-04-30

TUBE-SHEET ASSEMBLY FOR UREA PLANT

#2
20250325949
2025-10-23

System, Method, and Device for the Continuous Processing of Granular Materials Under an Atmosphere

#3
20250091986
2025-03-20

THERMAL STRIPPING UREA PLANT AND PROCESS

#4
20240279165
2024-08-22

Thermal stripping urea plant and process

#5
20240279164
2024-08-22

Thermal stripping urea plant and process

#6
20240149234
2024-05-09

CARRIER FOR HIGH-PRESSURE PROCESSING AT MODERATE TEMPERATURES

#7
20240034655
2024-02-01

A TREATMENT PROCESS FOR WASTE STREAMS

#8
20230382849
2023-11-30

Thermal stripping urea plant and process

#9
20230235257
2023-07-27

Accelerated Aging of Alcohol Spirits

#10
20230201783
2023-06-29

PROCESSES FOR REDUCING SHUTDOWN TIME OF SUB-SYSTEMS IN LOW-DENSITY POLYETHYLENE PRODUCTION

#11
20230191348
2023-06-22

Pilot-scale supercritical water oxidation oil and hydrogen production system capable of realizing long-distance multi-stage heating of organic rock

#12
20230040351
2023-02-09

Zero discharge water treatment apparatus and method

#13
20220387950
2022-12-08

Pulsed compression reactors and methods for their operation

#14
20220274916
2022-09-01

Thermal stripping urea plant and process

#15
20220250021
2022-08-11

Apparatus for supercritical water gasification

#16
20220212136
2022-07-07

Pressure vessel

#17
20220072746
2022-03-10

Horizontal supercritical fluid foaming autoclave with internal stirring device

#18
20220072530
2022-03-10

Horizontal supercritical fluid autoclave and apparatus thereof

#19
20220025075
2022-01-27

Methods of controlling shutdown of reactor systems

#20
20210371361
2021-12-02

Reactor for carrying out a gas-liquid two-phase high-pressure reaction with a foaming medium

#21
20210354101
2021-11-18

Method for carrying out a gas/fluid two-phase high-pressure reaction

#22
20210347720
2021-11-11

Method and apparatus for producing biofuel in an oscillating flow production line under supercritical fluid conditions

#23
20210316263
2021-10-14

System for chemical transformation of 3D state materials

#24
20210309767
2021-10-07

HIGH PRESSURE, FREE RADICAL POLYMERIZATIONS TO PRODUCE ETHYLENE-BASED POLYMERS

#25
20210237024
2021-08-05

Reactor vessel for biomass material

#26
20200369792
2020-11-26

Process for the preparation of ethylene homopolymers or copolymers

#27
20200353432
2020-11-12

Pulsed compression reactors and methods for their operation

#28
20200325427
2020-10-15

Accelerated aging of alcohol spirits

#29
20200290001
2020-09-17

Pressure-release vessel with rigid proportional liner and associated microwave-assisted chemistry methods

#30
20200248113
2020-08-06

Accelerated aging of alcohol spirits

#31
20200147568
2020-05-14

Autoclave system and method

#32
20200047082
2020-02-13

Multifunctional vessels for extraction and fractionation of extracts from biomass

#33
20200023356
2020-01-23

Cap for closing a sample container for microwave treatment and a method and sample assembly for performing microwave treatment

#34
20190338053
2019-11-07

Polymerization process with a partial shutdown phase

#35
20190329202
2019-10-31

Pressure vessel

#36
20190299182
2019-10-03

Apparatus and process for high pressure polymerization of ethylene

#37
20190292279
2019-09-26

High pressure, free radical polymerizations to produce ethylene-based polymers

#38
20190284131
2019-09-19

Process for the preparation of N-alkyl-nitratoethylnitramines

#39
20190275493
2019-09-12

Mixing reactor and related process

#40
20180297002
2018-10-18

High temperature pressure digestion vessel system with dual action seal

#41
20180221845
2018-08-09

High temperature pressure digestion vessel system with dual action seal

#42
20180134824
2018-05-17

High pressure free-radical polymerizations

#43
20180099941
2018-04-12

High-pressure reactor for the synthesis of melamine

#44
20180071701
2018-03-15

PORTABLE SUPERCRITICAL FLUID EXTRACTION APPARATUS

#45
20180070615
2018-03-15

Retort load/unload system and method

#46
20170320032
2017-11-09

Acid digestion instrument and vessel system

#47
20170233327
2017-08-17

Method and apparatus for producing biofuel in an oscillating flow production line under supercritical fluid conditions

#48
20170121434
2017-05-04

Process for the preparation of an ethylene copolymer in a tubular reactor

#49
20170081779
2017-03-23

Pressure release mechanism for capsule and method of use with supercritical fluids

#50
20170015636
2017-01-19

High-pressure reactor for the synthesis of melamine

#51
20160333474
2016-11-17

Clamping assembly for a reactor system

#52
20160168470
2016-06-16

Devolatilization system and methods thereof

#53
20150345076
2015-12-03

Continuous method for the precipitation of lignin from black liquor

#54
20150343405
2015-12-03

Continuous process for conversion of lignin to useful compounds

#55
20150132926
2015-05-14

Process for large-scale ammonothermal manufacturing of gallium nitride boules

#56
20150013272
2015-01-15

Heat-treatment device capable of receiving loose products

#57
20140377134
2014-12-25

System for controlling and optimizing reactions in solid phase synthesis of small molecules

#58
20130224098
2013-08-29

USE OF A REACTOR WITH INTEGRATED HEAT EXCHANGER IN A PROCESS FOR HYDRODECHLORINATING SILICON TETRACHLORIDE

#59
20130172555
2013-07-04

Horizontal high-pressure melamine reactor

#60
20130011327
2013-01-10

Method and device for treating solid-fluid mixtures

#61
20120263630
2012-10-18

VERTICAL HIGH TEMPERATURE AND HIGH PRESSURE STOVE STRUCTURE

#62
20120118223
2012-05-17

High pressure apparatus and method for nitride crystal growth

#63
20110193017
2011-08-11

AUTOCLAVE REACTOR HEATING ASSEMBLY AND METHODS

#64
20110190534
2011-08-04

Method for decomposing and recovering isocyanate compound

#65
20110183498
2011-07-28

High pressure apparatus and method for nitride crystal growth

#66
20110094376
2011-04-28

Piston cylinder-type high-pressure generating device

#67
20100088952
2010-04-15

HIGH PRESSURE EXTRACTION

#68
20100031875
2010-02-11

Process for large-scale ammonothermal manufacturing of gallium nitride boules

#69
20100031873
2010-02-11

BASKET PROCESS AND APPARATUS FOR CRYSTALLINE GALLIUM-CONTAINING NITRIDE

#70
20100022736
2010-01-28

Apparatus for the production of polyethylene and ethylene copolymers

#71
20090301387
2009-12-10

High pressure apparatus and method for nitride crystal growth

#72
20090275776
2009-11-05

Method for decomposing and recovering isocyanate compound

#73
20090013926
2009-01-15

Pressure vessel for growing single crystals

#74
20080317647
2008-12-25

Autoclaves with Combined Air Flow

#75
20080135496
2008-06-12

Device for supercritical water oxidation of materials

#76
20070280877
2007-12-06

ALPHA ALUMINA SUPPORTS FOR ETHYLENE OXIDE CATALYSTS AND METHOD OF PREPARING THEREOF

#77
20070232801
2007-10-04

High pressure method for producing pure melamine in a vertical synthesis reactor

#78
20070217285
2007-09-20

Autoclave with underflow dividers

#79
20070071660
2007-03-29

Thermally autogenous subsurface chemical reactor and method

#80
20060133972
2006-06-22

Shell-and-tube type reactor for carrying out catalytic gaseous phase reactions and a procedure for operating the same

#81
20060086673
2006-04-27

Gravity pressure vessel and related apparatus and methods

#82
20050226809
2005-10-13

Method and article for producing hydrogen gas