ClassID:

33755

B01J2219/00218 - CPC Classification

Classification description:

Chemical, physical or physico-chemical processes in general; Their relevant apparatus; Controlling or regulating processes; Control algorithm comparing a sensed parameter with a pre-set value Dynamically variable (in-line) parameter values

Recent Application in this class:
#1
20250339830
2025-11-06

OXYGEN-BASED CONTROL OF POLYMERIZATION REACTIONS

#2
20250135429
2025-05-01

AUTOMATED CONTROL SYSTEM AND METHOD AND CHEMICAL PARK

#3
20250050299
2025-02-13

METHOD FOR PREDICTING PERFORMANCE DROP OF A COMMERCIAL ALKANE DEHYDROGENATION UNIT AND OPTIMIZING RUN DURATION

#4
20240132786
2024-04-25

ASSEMBLIES AND METHODS FOR ENHANCING CONTROL OF FLUID CATALYTIC CRACKING (FCC) PROCESSES USING SPECTROSCOPIC ANALYZERS

#5
20240024839
2024-01-25

CHEMICAL PRODUCTION MONITORING

#6
20230144017
2023-05-11

Device and methods for determination of molecular weight distributions of polymers and distributions of other polymer properties without physical separation

#7
20230118319
2023-04-20

Assemblies and methods for enhancing control of fluid catalytic cracking (FCC) processes using spectroscopic analyzers

#8
20210391034
2021-12-16

Methods for determining transition metal compound concentrations in multicomponent liquid systems

#9
20200219591
2020-07-09

Methods for determining transition metal compound concentrations in multicomponent liquid systems

#10
20190303539
2019-10-03

Methods for determining transition metal compound concentrations in multicomponent liquid systems

#11
20190282991
2019-09-19

Off-gas incinerator control

#12
20190154588
2019-05-23

Systems and methods for predicting and controlling the properties of a chemical species during a time-dependent process

#13
20190151814
2019-05-23

Detecting and correcting vibration in heat exchangers

#14
20190128812
2019-05-02

Device and methods for determination of molecular weight distributions of polymers and distributions of other polymer properties without physical separation

#15
20180328149
2018-11-15

Actuator with port

#16
20180283812
2018-10-04

Detecting and correcting vibration in heat exchangers

#17
20180011024
2018-01-11

Systems and methods for predicting and controlling the properties of a chemical species during a time-dependent process

#18
20160158721
2016-06-09

Gas decomposition reactor feedback control using raman spectrometry

#19
20150148506
2015-05-28

System and method for rapid transitioning of polyolefin processes from one product to another

#20
20150147234
2015-05-28

System and method for rapid transitioning of polyolefin processes from one product to another

#21
20140271372
2014-09-18

Gas decomposition reactor feedback control using Raman spectrometry

#22
20140228605
2014-08-14

Conversion of plastics to olefin and aromatic products using temperature control

#23
20140105813
2014-04-17

HYDROGEN RECYCLER WITH OXYGEN REACTOR

#24
20130310953
2013-11-21

Method of solving a control problem in a processing plant

#25
20120316296
2012-12-13

Method for improving a polymerization reaction by taking out and analysing a sample

#26
20120237438
2012-09-20

Adaptive control system for a sulfur recovery process

#27
20110142720
2011-06-16

Method for improving a polymerization reaction by taking out and analysing a sample

#28
20110076200
2011-03-31

CHEMICAL PLANT

#29
20100166646
2010-07-01

METHOD AND SYSTEM FOR ADJUSTING THE TEMPERATURE PROFILE OF A CATALYZER IN A REFORMER

#30
20100042370
2010-02-18

Method of replacing the catalyst tubes of a hydrocarbon reformer

#31
20100036064
2010-02-11

SEMIBATCH COPOLYMERIZATION PROCESS FOR COMPOSITIONALLY UNIFORM COPOLYMERS

#32
20100022720
2010-01-28

Polymerization monitoring and method of selecting leading indicators

#33
20100015029
2010-01-21

Conversion of urea to reactants for NOreduction

#34
20090326168
2009-12-31

Multiple component feed methods and systems

#35
20090208375
2009-08-20

Method for Improving a Polymerization Reaction by Taking Out and Analysing a Sample

#36
20090037027
2009-02-05

Method and apparatus for monitoring polyolefin production

#37
20090032440
2009-02-05

Method of transferring particles from one pressure zone to another pressure zone

#38
20080267837
2008-10-30

Conversion of urea to reactants for NOx reduction

#39
20080230687
2008-09-25

Automatic Analysis Device and Method for Monitoring Polymer Production by Means of Mass Spectroscopy

#40
20080147208
2008-06-19

Process for controlling a production process

#41
20080058481
2008-03-06

Transfer vessel between flash tank and purge column

#42
20080014127
2008-01-17

Pilot test method for multitubular reactor

#43
20070107308
2007-05-17

Reformer and method of using the same using dew point temperature

#44
20070078238
2007-04-05

Multiple component feed methods and systems

#45
20070036693
2007-02-15

Method for improving a polymerization reaction by taking out and analysing a sample

#46
20060189783
2006-08-24

Method for adding raw materials during the production of polyesters or copolyesters

#47
20060171859
2006-08-03

Method for carrying out chemical reactions in pseudo-isothermal conditions

#48
20060136149
2006-06-22

On-line measurement and control of polymer properties by raman spectroscopy

#49
20060133971
2006-06-22

Combinational control strategy for fuel processor reactor shift temperature control

#50
20050267267
2005-12-01

Polymerization monitoring and control using improved leading indicators

#51
20050154155
2005-07-14

Method and apparatus for monitoring polyolefin production

#52
20050154154
2005-07-14

Method and apparatus for monitoring polyolefin production

#53
20050154153
2005-07-14

Method and apparatus for monitoring polyolefin production

#54
20050154129
2005-07-14

Method and apparatus for monitoring polyolefin production

#55
20050085598
2005-04-21

Polymerization monitoring and method of selecting leading indicators