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CPC
C01B7/0731

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CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B7/00Halogens Halogen acids

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C01B7/0731by extraction

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Patents Grantslast 30 patents

Information Patent Grant
Method and an apparatus for separating chlorine gas from a gaseous...
- Patent number 11,351,497
- Issue date Jun 7, 2022
- Max-Planck-Gesellschaft zur Forderung der Wissenschaften E.V.
- Simon Bechtel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and installation for concentrating aqueous hydrogen halide s...
- Patent number 10,494,258
- Issue date Dec 3, 2019
- SGL Carbon SE
- Peter Poellmann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Separation of a phosgene- and hydrogen chloride-comprising stream
- Patent number 10,252,912
- Issue date Apr 9, 2019
- BASF SE
- Heiner Schelling
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purifying contaminated gaseous hydrogen chloride
- Patent number 10,179,735
- Issue date Jan 15, 2019
- Wacker Chemie AG
- Konrad Mautner
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing diaryl carbonates and polycarbonates
- Patent number 9,175,135
- Issue date Nov 3, 2015
- Bayer MaterialScience AG
- Pieter Ooms
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for separating gas
- Patent number 8,308,850
- Issue date Nov 13, 2012
- Solvay Fluor GmbH
- Jens Olschimke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for purifying hydrogen chloride
- Patent number 7,683,223
- Issue date Mar 23, 2010
- Solvay (Societe Anonyme)
- Michel Strebelle
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Separation of a substance mixture consisting of hydrogen chloride a...
- Patent number 7,584,629
- Issue date Sep 8, 2009
- BASF Aktiengesellschaft
- Martin Sohn
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the production of isocyanates
- Patent number 7,504,533
- Issue date Mar 17, 2009
- Bayer MaterialScience LLC
- Matthias Böhm
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Preparation of largely HBr-free HCI gas and largely HBr-free aqueou...
- Patent number 6,890,508
- Issue date May 10, 2005
- BASF Aktiengesellschaft
- Dieter Schläfer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ionic purifier
- Patent number 6,372,022
- Issue date Apr 16, 2002
- Air Liquide America Corporation
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
On-site generation of ultra-high-purity buffered-HF and ammonium fl...
- Patent number 6,350,425
- Issue date Feb 26, 2002
- Air Liquide America Corporation
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process and apparatus for producing high-purity chemicals for the m...
- Patent number 6,183,720
- Issue date Feb 6, 2001
- Air Liquide Electronics Labeille
- Thierry Laederich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
On-site manufacture of ultra-high-purity hydrofluoric acid for semi...
- Patent number 6,063,356
- Issue date May 16, 2000
- Air Liquide America Corporation
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Point-of-use ammonia purification for electronic component manufacture
- Patent number 6,015,477
- Issue date Jan 18, 2000
- Air Liquide America Corporation
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
On-site manufacture of ultra-high-purity hydrochloric acid for semi...
- Patent number 5,846,387
- Issue date Dec 8, 1998
- Air Liquide Electronics Chemicals & Services, Inc.
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
On-site ammonia purification for semiconductor manufacture
- Patent number 5,846,386
- Issue date Dec 8, 1998
- Startec Ventures, Inc.
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
On-site manufacture of ultra-high-purity hydrofluoric acid for semi...
- Patent number 5,785,820
- Issue date Jul 28, 1998
- Startec Ventures, Inc.
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Point-of-use ammonia purification for electronic component manufacture
- Patent number 5,755,934
- Issue date May 26, 1998
- Startec Ventures, Inc.
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
On-site generation of ultra-high-purity buffered-HF for semiconduct...
- Patent number 5,722,442
- Issue date Mar 3, 1998
- Startec Ventures, Inc.
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Point-of-use ammonia purification for electronic component manufacture
- Patent number 5,496,778
- Issue date Mar 5, 1996
- Startec Ventures, Inc.
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Continuous purification of an off-gas composed of CO.sub.2 +HCl+COC...
- Patent number 5,391,363
- Issue date Feb 21, 1995
- BASF Aktiengesellschaft
- Peter Ksoll
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the separation of halogenated hydrocarbons from hydroch...
- Patent number 4,986,974
- Issue date Jan 22, 1991
- Hoechst Aktiengesellschaft
- Wilhelm Lendle
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Separation of acids
- Patent number 4,285,924
- Issue date Aug 25, 1981
- National Research Development Corp.
- Michael W. T. Pratt
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3574695
- Patent number 3,574,695
- Issue date Apr 13, 1971
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3445197
- Patent number 3,445,197
- Issue date May 20, 1969
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3381025
- Patent number 3,381,025
- Issue date Apr 30, 1968
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3353911
- Patent number 3,353,911
- Issue date Nov 21, 1967
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2764607
- Patent number 2,764,607
- Issue date Sep 25, 1956
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2137095
- Patent number 2,137,095
- Issue date Nov 15, 1938
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD OF SEPARATING PHOSGENE AND HYDROGEN CHLORIDE
- Publication number 20240300817
- Publication date Sep 12, 2024
- BASF SE
- Torsten MATTKE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
A METHOD AND AN APPARATUS FOR SEPARATING CHLORINE GAS FROM A GASEOU...
- Publication number 20210077947
- Publication date Mar 18, 2021
- Simon BECHTEL
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SEPARATION OF A PHOSGENE- AND HYDROGEN CHLORIDE-COMPRISING STREAM
- Publication number 20180044179
- Publication date Feb 15, 2018
- BASF SE
- Heiner SCHELLING
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHODS FOR THE SEPARATION OF HCL FROM A CARBOHYDRATE AND COMPOSITI...
- Publication number 20130028832
- Publication date Jan 31, 2013
- Aharon Eyal
- C13 - SUGAR INDUSTRY
Information Patent Application
PROCESS FOR PREPARING DIARYL CARBONATES AND POLYCARBONATES
- Publication number 20110245527
- Publication date Oct 6, 2011
- Bayer MaterialScience AG
- Pieter Ooms
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for separating gas
- Publication number 20090211449
- Publication date Aug 27, 2009
- Solvay Fluor GmbH
- Jens Olschimke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PURIFYING HYDROGEN CHLORIDE
- Publication number 20090022653
- Publication date Jan 22, 2009
- Solvay (Societe Anonyme)
- Michel Strebelle
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for the production of isocyanates
- Publication number 20070249859
- Publication date Oct 25, 2007
- Matthias Bohm
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Separation of a substance mixture consisting of hydrogen chloride a...
- Publication number 20060123842
- Publication date Jun 15, 2006
- BASF AKTINEGESSELSCHAFT
- Martin Sohn
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Preparation of largely HBr-free HCI gas and largely HBr-free aqueou...
- Publication number 20030108468
- Publication date Jun 12, 2003
- Dieter Schlafer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process and apparatus for separating foreign hydrogen halides from...
- Publication number 20030019360
- Publication date Jan 30, 2003
- Degussa AG
- Joerg Krissmann
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Production of anhydrous acid from byproduct or waste chlorinated ma...
- Publication number 20020114758
- Publication date Aug 22, 2002
- Leopoldo Salinas
- C01 - INORGANIC CHEMISTRY
Information Patent Application
On-site generation of ultra-high-purity buffered-HF and ammonium fl...
- Publication number 20020079478
- Publication date Jun 27, 2002
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Application
On-site generation of ultra-high-purity buffered-HF and ammonium fl...
- Publication number 20020081237
- Publication date Jun 27, 2002
- Joe G. Hoffman
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ON-SITE GENERATION OF ULTRA-HIGH-PURITY BUFFERED-HF AND AMMONIUM FL...
- Publication number 20010051128
- Publication date Dec 13, 2001
- JOE G. HOFFMAN
- C01 - INORGANIC CHEMISTRY

by extraction

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method and an apparatus for separating chlorine gas from a gaseous...

Method and installation for concentrating aqueous hydrogen halide s...

Separation of a phosgene- and hydrogen chloride-comprising stream

Method for purifying contaminated gaseous hydrogen chloride

Process for preparing diaryl carbonates and polycarbonates

Method for separating gas

Method for purifying hydrogen chloride

Separation of a substance mixture consisting of hydrogen chloride a...

Process for the production of isocyanates

Preparation of largely HBr-free HCI gas and largely HBr-free aqueou...

Ionic purifier

On-site generation of ultra-high-purity buffered-HF and ammonium fl...

Process and apparatus for producing high-purity chemicals for the m...

On-site manufacture of ultra-high-purity hydrofluoric acid for semi...

Point-of-use ammonia purification for electronic component manufacture

On-site manufacture of ultra-high-purity hydrochloric acid for semi...

On-site ammonia purification for semiconductor manufacture

On-site manufacture of ultra-high-purity hydrofluoric acid for semi...

Point-of-use ammonia purification for electronic component manufacture

On-site generation of ultra-high-purity buffered-HF for semiconduct...

Point-of-use ammonia purification for electronic component manufacture

Continuous purification of an off-gas composed of CO.sub.2 +HCl+COC...

Process for the separation of halogenated hydrocarbons from hydroch...

Separation of acids

3574695

3445197

3381025

3353911

2764607

2137095

Patents Applicationslast 30 patents

METHOD OF SEPARATING PHOSGENE AND HYDROGEN CHLORIDE

A METHOD AND AN APPARATUS FOR SEPARATING CHLORINE GAS FROM A GASEOU...

SEPARATION OF A PHOSGENE- AND HYDROGEN CHLORIDE-COMPRISING STREAM

METHODS FOR THE SEPARATION OF HCL FROM A CARBOHYDRATE AND COMPOSITI...

PROCESS FOR PREPARING DIARYL CARBONATES AND POLYCARBONATES

Method for separating gas

METHOD FOR PURIFYING HYDROGEN CHLORIDE

Process for the production of isocyanates

Separation of a substance mixture consisting of hydrogen chloride a...

Preparation of largely HBr-free HCI gas and largely HBr-free aqueou...

Process and apparatus for separating foreign hydrogen halides from...

Production of anhydrous acid from byproduct or waste chlorinated ma...

On-site generation of ultra-high-purity buffered-HF and ammonium fl...

On-site generation of ultra-high-purity buffered-HF and ammonium fl...

ON-SITE GENERATION OF ULTRA-HIGH-PURITY BUFFERED-HF AND AMMONIUM FL...