Purification

Industry

CPC
C01C3/0295

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Parent Industries

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

Current Industry

C01C3/0295Purification

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Patents Grantslast 30 patents

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
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
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
Method for purifying hydrocyanic acid
- Patent number 7,462,263
- Issue date Dec 9, 2008
- Michael Bartsch
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for removing ammonia from a gas comprising hydrogen cyanide,...
- Patent number 6,872,296
- Issue date Mar 29, 2005
- INVISTA North America S.a.r.l.
- Tae Hoon Kim
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the adsorptive extraction of hydrocarbons from aqueous s...
- Patent number 6,123,852
- Issue date Sep 26, 2000
- SKW Trostberg Aktiengesellschaft
- Gunter Weber
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3689215
- Patent number 3,689,215
- Issue date Sep 5, 1972
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3655519
- Patent number 3,655,519
- Issue date Apr 11, 1972
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3600424
- Patent number 3,600,424
- Issue date Aug 17, 1971
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3488919
- Patent number 3,488,919
- Issue date Jan 13, 1970
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3022143
- Patent number 3,022,143
- Issue date Feb 20, 1962
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
1571982
- Patent number 1,571,982
- Issue date Feb 9, 1926
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
1445303
- Patent number 1,445,303
- Issue date Feb 13, 1923
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
1444300
- Patent number 1,444,300
- Issue date Feb 6, 1923
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

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
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
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
PROCESS FOR HEAT RECOVERY FROM AMMONIA STRIPPER IN ANDRUSSOW PROCESS
- Publication number 20160068404
- Publication date Mar 10, 2016
- INVISTA North America S.a r.l.
- John C. CATON
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method for purifying hydrocyanic acid
- Publication number 20060201798
- Publication date Sep 14, 2006
- BASF Aktiengesellschaft
- Michael Bartsch
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Method for removing ammonia from a gas comprising hydrogen cyanide,...
- Publication number 20040022709
- Publication date Feb 5, 2004
- Tae Hoon Kim
- C01 - INORGANIC CHEMISTRY

Purification

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for the purification of hydrogen cyanide

High purity HCN from acrylonitrile co-production

Method for removing nitriles from hydrogen cyanide

Method for purifying hydrocyanic acid

Method for removing ammonia from a gas comprising hydrogen cyanide,...

Method for the adsorptive extraction of hydrocarbons from aqueous s...

3689215

3655519

3600424

3488919

3022143

1571982

1445303

1444300

Patents Applicationslast 30 patents

PROCESS FOR THE PURIFICATION OF HYDROGEN CYANIDE

HIGH PURITY HCN FROM ACRYLONITRILE CO-PRODUCTION

METHOD FOR REMOVING NITRILES FROM HYDROGEN CYANIDE

HYDROGEN CYANIDE MANUFACTURING PROCESS WITH SECOND WASTE HEAT BOILER

PROCESS FOR HEAT RECOVERY FROM AMMONIA STRIPPER IN ANDRUSSOW PROCESS

Method for purifying hydrocyanic acid

Method for removing ammonia from a gas comprising hydrogen cyanide,...