Preparation, separation or purification of hydrogen cyanide

Industry

CPC
C01C3/02

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Parent Industries

CCHEMISTRY METALLURGY C01Inorganic chemistry C01CAMMONIA CYANOGEN COMPOUNDS THEREOF C01C3/00Cyanogen Compounds thereof

Current Industry

C01C3/02Preparation, separation or purification of hydrogen cyanide

Industries

Patents Grantslast 30 patents

Information Patent Grant
Cyanide on demand
- Patent number 12,246,970
- Issue date Mar 11, 2025
- HALDOR TOPSØE A/S
- Peter Mølgaard Mortensen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Endothermic reactions heated by resistance heating
- Patent number 12,214,327
- Issue date Feb 4, 2025
- HALDOR TOPSØE A/S
- Peter Mølgaard Mortensen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the purification of hydrogen cyanide
- Patent number 11,939,281
- Issue date Mar 26, 2024
- Evonik Operations GmbH
- Martin Körfer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing hydrogen cyanide
- Patent number 11,897,781
- Issue date Feb 13, 2024
- Evonik Operations GmbH
- Martin Steurenthaler
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of acetonitrile and/or hydrogen cyanide from ammonia and...
- Patent number 11,760,718
- Issue date Sep 19, 2023
- HALDOR TOPSØE A/S
- Poul Erik Højlund Nielsen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Activation energy reducers for catalytic oxidation of gaseous mixtures
- Patent number 11,179,700
- Issue date Nov 23, 2021
- Rohm and Haas Company
- Jon Busick
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the preparation of sodium cyanide
- Patent number 11,053,131
- Issue date Jul 6, 2021
- CyPlus GmbH
- Jens Henkel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Pressure-regulated multi-reactor system
- Patent number 10,913,048
- Issue date Feb 9, 2021
- AUROTEC GMBH
- Stefan Zikeli
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Installation and process for the preparation of hydrogen cyanide
- Patent number 10,865,118
- Issue date Dec 15, 2020
- Arkema France
- Yves Bernardin
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method, apparatus and system for manufacture of a cyanide
- Patent number 10,843,931
- Issue date Nov 24, 2020
- SYNERGEN MET LIMITED
- Geoffrey Alexander Duckworth
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for the catalytic preparation of hydrogen cyanide from meth...
- Patent number 10,710,057
- Issue date Jul 14, 2020
- Haldor Topsoe A/S
- Burcin Temel McKenna
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High purity HCN from acrylonitrile co-production
- Patent number 10,647,663
- Issue date May 12, 2020
- INVISTA North America S.a.r.l.
- Benjamin D. Herzog
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Reactor for preparing hydrogen cyanide by the andrussow process, eq...
- Patent number 10,597,302
- Issue date Mar 24, 2020
- Arkema France
- Yves Bernardin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for removing nitriles from hydrogen cyanide
- Patent number 10,562,782
- Issue date Feb 18, 2020
- THE CHEMOURS COMPANY FC, LLC
- William David Parten
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reaction tube and method for producing hydrogen cyanide
- Patent number 10,441,942
- Issue date Oct 15, 2019
- Evonik Degussa, GmbH
- Martin Steffan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Pressure-controlled reactor
- Patent number 10,323,191
- Issue date Jun 18, 2019
- AUROTEC GMBH
- Stefan Zikeli
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for preparing alpha-hydroxycarboxylic acid esters in which a...
- Patent number 10,227,284
- Issue date Mar 12, 2019
- Evonik Roehm GmbH
- Steffen Krill
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Activation energy reducers for catalytic oxidation of gaseous mixtures
- Patent number 10,143,998
- Issue date Dec 4, 2018
- Rohm & Haas Company
- Jon Busick
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Installation and process for the preparation of hydrogen cyanide
- Patent number 9,944,533
- Issue date Apr 17, 2018
- Arkema France
- Yves Bernardin
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
C-11 cyanide production system
- Patent number 9,821,285
- Issue date Nov 21, 2017
- Brookhaven Science Associates, LLC
- Dohyun Kim
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing alpha-hydroxy carboxylic esters in the gas phase
- Patent number 9,809,530
- Issue date Nov 7, 2017
- Evonik Roehm GmbH
- Steffen Krill
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Catalyst having a three-dimensional dent structure in the form of a...
- Patent number 9,757,720
- Issue date Sep 12, 2017
- Heraeus Deutschland GmbH & Co. KG
- Annette Lukas
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Device and process for catalytic gas phase reactions and use thereof
- Patent number 9,266,081
- Issue date Feb 23, 2016
- Uhde GmbH
- Meinhard Schwefer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Single chamber vaporizer and use thereof in chemical synthesis
- Patent number 9,249,029
- Issue date Feb 2, 2016
- BASF SE
- Ralf Boehling
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Catalyst
- Patent number 9,126,187
- Issue date Sep 8, 2015
- Heraeus Materials Technology GmbH & Co. KG
- Thorsten Keller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Catalyst
- Patent number 9,056,307
- Issue date Jun 16, 2015
- Heraeus Deutschland GmbH & Co. KG
- Thorsten Keller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing hydrocyanic acid by catalytic dehydration of...
- Patent number 9,034,293
- Issue date May 19, 2015
- BASF SE
- Ralf Boehling
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
C-11 cyanide production system
- Patent number 8,932,551
- Issue date Jan 13, 2015
- Brookhaven Science Associates, LLC
- Dohyun Kim
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
High efficiency reactor and process
- Patent number 8,906,334
- Issue date Dec 9, 2014
- Invista North America S.a r.l.
- Colin S. Slaten
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reactor for preparing hydrogen cyanide by the Andrussow process
- Patent number 8,802,020
- Issue date Aug 12, 2014
- Evonik Rohm GmbH
- Thomas Schaefer
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
ENDOTHERMIC REACTIONS HEATED BY RESISTANCE HEATING
- Publication number 20250121344
- Publication date Apr 17, 2025
- HALDOR TOPSOE A/S
- Peter Mølgaard MORTENSEN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
GAUZES HAVING A TERTIARY STRUCTURE FOR THE CATALYTIC CONVERSION OF...
- Publication number 20230321644
- Publication date Oct 12, 2023
- Jens KOPATSCH
- C01 - INORGANIC CHEMISTRY
Information Patent Application
CYANIDE ON DEMAND
- Publication number 20220259056
- Publication date Aug 18, 2022
- HALDOR TOPSOE A/S
- Peter Mølgaard MORTENSEN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
GAS-TIGHT, HEAT-PERMEABLE MULTILAYER CERAMIC COMPOSITE TUBE
- Publication number 20220152584
- Publication date May 19, 2022
- BASF SE
- Grigorios Kolios
- B32 - LAYERED PRODUCTS
Information Patent Application
PROCESS FOR THE PURIFICATION OF HYDROGEN CYANIDE
- Publication number 20210269396
- Publication date Sep 2, 2021
- Evonik Operations GmbH
- Martin KÖRFER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for Producing Hydrocyanic Acid and Device for Producing Hydr...
- Publication number 20210238049
- Publication date Aug 5, 2021
- MITSUBISHI CHEMICAL CORPORATION
- Shimpei Kato
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ENDOTHERMIC REACTIONS HEATED BY RESISTANCE HEATING
- Publication number 20210113983
- Publication date Apr 22, 2021
- HALDOR TOPSOE A/S
- Peter Mølgaard MORTENSEN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF SODIUM CYANIDE
- Publication number 20200299144
- Publication date Sep 24, 2020
- CyPlus GmbH
- Jens Henkel
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ACTIVATION ENERGY REDUCERS FOR CATALYTIC OXIDATION OF GASEOUS MIXTURES
- Publication number 20200230577
- Publication date Jul 23, 2020
- Rohm and Haas Company
- Jon Busick
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PRODUCTION OF ACETONITRILE AND/OR HYDROGEN CYANIDE FROM AMMONIA AND...
- Publication number 20200095193
- Publication date Mar 26, 2020
- HALDOR TOPSOE A/S
- Poul Erik HØJLUND NIELSEN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING HYDROGEN CYANIDE
- Publication number 20190225501
- Publication date Jul 25, 2019
- EVONIK DEGUSSA GmbH
- Martin Steurenthaler
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE CATALYTIC PREPARATION OF HYDROGEN CYANIDE FROM METH...
- Publication number 20190091664
- Publication date Mar 28, 2019
- HALDOR TOPSOE A/S
- Burcin Temel McKenna
- C01 - INORGANIC CHEMISTRY
Information Patent Application
INSTALLATION AND PROCESS FOR THE PREPARATION OF HYDROGEN CYANIDE
- Publication number 20180215626
- Publication date Aug 2, 2018
- Arkema France
- Yves Bernardin
- C01 - INORGANIC CHEMISTRY
Information Patent Application
HIGH PURITY HCN FROM ACRYLONITRILE CO-PRODUCTION
- Publication number 20180208548
- Publication date Jul 26, 2018
- INVISTA North America S.a r.l.
- BENJAMIN D. HERZOG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR REMOVING NITRILES FROM HYDROGEN CYANIDE
- Publication number 20180194640
- Publication date Jul 12, 2018
- THE CHEMOURS COMPANY FC, LLC
- WILLIAM DAVID PARTEN
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PREPARATION OF SODIUM CYANIDE
- Publication number 20180155204
- Publication date Jun 7, 2018
- EPC ENGINEERING & TECHNOLOGIES GMBH
- Jens Henkel
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ACID ESTERS IN WHICH A...
- Publication number 20170283364
- Publication date Oct 5, 2017
- Evonik Roehm GmbH
- Steffen KRILL
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR THE CATALYTIC PREPARATION OF HYDROGEN CYANIDE FROM METH...
- Publication number 20170246617
- Publication date Aug 31, 2017
- HALDOR TOPSOE A/S
- Burcin Temel McKenna
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ACTIVATION ENERGY REDUCERS FOR CATALYTIC OXIDATION OF GASEOUS MIXTURES
- Publication number 20170225152
- Publication date Aug 10, 2017
- Rohm and Haas Company
- Jon Busick
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PRODUCING ALPHA-HYDROXY CARBOXYLIC ESTERS IN THE GAS PHASE
- Publication number 20170144960
- Publication date May 25, 2017
- Evonik Roehm GmbH
- Steffen KRILL
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ISOTHERMAL CHEMICAL PROCESS
- Publication number 20170106360
- Publication date Apr 20, 2017
- Jay S. Meriam
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING HYDROGEN CYANIDE USING FLOW STRAIGHTENER
- Publication number 20160347622
- Publication date Dec 1, 2016
- INVISTA North America S.a r.l.
- John C. CATON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
BIOMASS-DERIVED CHEMICAL INTERMEDIATES
- Publication number 20160304788
- Publication date Oct 20, 2016
- Anellotech, Inc.
- Charles Sorensen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
REACTION TUBE AND METHOD FOR PRODUCING HYDROGEN CYANIDE
- Publication number 20160263558
- Publication date Sep 15, 2016
- EVONIK DEGUSSA GmbH
- Martin Steffan
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REDUCTION OF ORGANONITRILE IMPURITY LEVELS IN HCN FROM AN OXYGEN AN...
- Publication number 20160200586
- Publication date Jul 14, 2016
- INVISTA TECHNOLOGIES S.A R.L.
- Stewart FORSYTH
- C01 - INORGANIC CHEMISTRY
Information Patent Application
HYDROGEN CYANIDE PRODUCTION WITH TREATED NATURAL GAS AS SOURCE OR M...
- Publication number 20160194210
- Publication date Jul 7, 2016
- INVISTA North America S.a r.l.
- John C. CATON
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
INSTALLATION AND PROCESS FOR THE PREPARATION OF HYDROGEN CYANIDE
- Publication number 20160194212
- Publication date Jul 7, 2016
- Arkema France
- Yves BERNARDIN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
OPERATIONAL CONTROLS FOR INERT GAS BLANKETING FOR ANDRUSSOW PROCESS
- Publication number 20160194211
- Publication date Jul 7, 2016
- INVISTA North America S.a r.l.
- John C. CATON
- C01 - INORGANIC CHEMISTRY
Information Patent Application
HYDROGEN CYANIDE MANUFACTURING PROCESS WITH SECOND WASTE HEAT BOILER
- Publication number 20160167975
- Publication date Jun 16, 2016
- John C. CATON
- C01 - INORGANIC CHEMISTRY
Information Patent Application
REACTOR FOR PREPARING HYDROGEN CYANIDE BY THE ANDRUSSOW PROCESS, EQ...
- Publication number 20160152484
- Publication date Jun 2, 2016
- Arkema France
- Yves BERNARDIN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Preparation, separation or purification of hydrogen cyanide

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Cyanide on demand

Endothermic reactions heated by resistance heating

Process for the purification of hydrogen cyanide

Method for producing hydrogen cyanide

Production of acetonitrile and/or hydrogen cyanide from ammonia and...

Activation energy reducers for catalytic oxidation of gaseous mixtures

Process for the preparation of sodium cyanide

Pressure-regulated multi-reactor system

Installation and process for the preparation of hydrogen cyanide

Method, apparatus and system for manufacture of a cyanide

Process for the catalytic preparation of hydrogen cyanide from meth...

High purity HCN from acrylonitrile co-production

Reactor for preparing hydrogen cyanide by the andrussow process, eq...

Method for removing nitriles from hydrogen cyanide

Reaction tube and method for producing hydrogen cyanide

Pressure-controlled reactor

Method for preparing alpha-hydroxycarboxylic acid esters in which a...

Activation energy reducers for catalytic oxidation of gaseous mixtures

Installation and process for the preparation of hydrogen cyanide

C-11 cyanide production system

Method for producing alpha-hydroxy carboxylic esters in the gas phase

Catalyst having a three-dimensional dent structure in the form of a...

Device and process for catalytic gas phase reactions and use thereof

Single chamber vaporizer and use thereof in chemical synthesis

Catalyst

Catalyst

Process for preparing hydrocyanic acid by catalytic dehydration of...

C-11 cyanide production system

High efficiency reactor and process

Reactor for preparing hydrogen cyanide by the Andrussow process

Patents Applicationslast 30 patents

ENDOTHERMIC REACTIONS HEATED BY RESISTANCE HEATING

GAUZES HAVING A TERTIARY STRUCTURE FOR THE CATALYTIC CONVERSION OF...

CYANIDE ON DEMAND

GAS-TIGHT, HEAT-PERMEABLE MULTILAYER CERAMIC COMPOSITE TUBE

PROCESS FOR THE PURIFICATION OF HYDROGEN CYANIDE

Method for Producing Hydrocyanic Acid and Device for Producing Hydr...

ENDOTHERMIC REACTIONS HEATED BY RESISTANCE HEATING

PROCESS FOR THE PREPARATION OF SODIUM CYANIDE

ACTIVATION ENERGY REDUCERS FOR CATALYTIC OXIDATION OF GASEOUS MIXTURES

PRODUCTION OF ACETONITRILE AND/OR HYDROGEN CYANIDE FROM AMMONIA AND...

METHOD FOR PRODUCING HYDROGEN CYANIDE

PROCESS FOR THE CATALYTIC PREPARATION OF HYDROGEN CYANIDE FROM METH...

INSTALLATION AND PROCESS FOR THE PREPARATION OF HYDROGEN CYANIDE

HIGH PURITY HCN FROM ACRYLONITRILE CO-PRODUCTION

METHOD FOR REMOVING NITRILES FROM HYDROGEN CYANIDE

PROCESS FOR THE PREPARATION OF SODIUM CYANIDE

METHOD FOR PREPARING ALPHA-HYDROXYCARBOXYLIC ACID ESTERS IN WHICH A...

PROCESS FOR THE CATALYTIC PREPARATION OF HYDROGEN CYANIDE FROM METH...

ACTIVATION ENERGY REDUCERS FOR CATALYTIC OXIDATION OF GASEOUS MIXTURES

METHOD FOR PRODUCING ALPHA-HYDROXY CARBOXYLIC ESTERS IN THE GAS PHASE

ISOTHERMAL CHEMICAL PROCESS

PROCESS FOR PRODUCING HYDROGEN CYANIDE USING FLOW STRAIGHTENER

BIOMASS-DERIVED CHEMICAL INTERMEDIATES

REACTION TUBE AND METHOD FOR PRODUCING HYDROGEN CYANIDE

REDUCTION OF ORGANONITRILE IMPURITY LEVELS IN HCN FROM AN OXYGEN AN...

HYDROGEN CYANIDE PRODUCTION WITH TREATED NATURAL GAS AS SOURCE OR M...

INSTALLATION AND PROCESS FOR THE PREPARATION OF HYDROGEN CYANIDE

OPERATIONAL CONTROLS FOR INERT GAS BLANKETING FOR ANDRUSSOW PROCESS

HYDROGEN CYANIDE MANUFACTURING PROCESS WITH SECOND WASTE HEAT BOILER

REACTOR FOR PREPARING HYDROGEN CYANIDE BY THE ANDRUSSOW PROCESS, EQ...