ClassID:

28480

B01D3/4294 - CPC Classification

Classification description:

Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping; Regulation; Control of columns Feed stream

Recent Application in this class:
#1
20260084077
2026-03-26

REFINERY APPARATUS

#2
20260054194
2026-02-26

SYSTEMS, ANALYZERS, CONTROLLERS, AND ASSOCIATED METHODS TO ENHANCE FLUID SEPARATION FOR DISTILLATION OPERATIONS

#3
20250367572
2025-12-04

SYSTEMS, ANALYZERS, CONTROLLERS, AND ASSOCIATED METHODS TO ENHANCE FLUID SEPARATION FOR DISTILLATION OPERATIONS

#4
20250345722
2025-11-13

CHEMICAL DISTILLATION SYSTEM WITH IN SITU ANALYTICS

#5
20230416173
2023-12-28

Distillation Process and Apparatus with Pressure Corrected Temperature Heat Source Control

#6
20230415066
2023-12-28

PROCESS FOR SEPARATING MOLECULES FROM A MIXTURE OF FLUIDS COMPRISING AT LEAST ONE FLUORINATED COMPONENT

#7
20230191278
2023-06-22

Systems for controlling fractionation using dynamic competing economic objectives

#8
20220249972
2022-08-11

Continuous-Feed Vacuum System with Integrated Preheater

#9
20220186129
2022-06-16

Method to mitigate fouling in a hydrocarbon plant

#10
20210139797
2021-05-13

Process for separating a component mixture and separation apparatus

#11
20200384382
2020-12-10

Automatic tritium extraction device and method for environmental monitoring

#12
20200230518
2020-07-23

Method for separating and purifying mixture having small difference in boiling points

#13
20200102512
2020-04-02

Method and apparatus for preventing coke formation in the reactor vapor feed nozzle of a fluid catalytic cracking unit (FCCU) main fractionator column

#14
20190367439
2019-12-05

Method and apparatus for producing acetic acid

#15
20190299118
2019-10-03

Folded fractionation column and process

#16
20190184304
2019-06-20

Method for controlling a rectification column

#17
20190134526
2019-05-09

Evaporation apparatus and method

#18
20180134676
2018-05-17

Process for the epoxidation of propene

#19
20170349521
2017-12-07

Method for producing acetic acid

#20
20170334816
2017-11-23

Process for the separation of glycols using glycerol

#21
20170298000
2017-10-19

Reduced fouling process for the production of methyl methacrylate

#22
20170232362
2017-08-17

FALSE DOWNCOMER LIPS

#23
20160069612
2016-03-10

Onsite ultra high purity chemicals or gas purification

#24
20150068886
2015-03-12

WATER DISTILLING APPARATUS USING SATURATED AIR CURRENTS AND METHODS FOR MAXIMISING THE PERFORMANCE THEREOF

#25
20140262732
2014-09-18

Onsite ultra high purity chemicals or gas purification

#26
20140232023
2014-08-21

FALSE DOWNCOMER LIPS

#27
20130037404
2013-02-14

Distillation process and multi-column heat-integrated distillation system

#28
20100000850
2010-01-07

Method Of Improving Rectifier Column Performance In An Ethanol Plant

#29
20090277514
2009-11-12

SYSTEM AND METHOD TO CONTROL CATALYST MIGRATION

#30
20090107887
2009-04-30

Vapor/liquid separation apparatus

#31
20060129012
2006-06-15

Vapor/liquid separation apparatus