by solid ion-exchangers

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CPC
C01B7/198

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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

Current Industry

C01B7/198by solid ion-exchangers

Industries

Patents Grantslast 30 patents

Information Patent Grant
Method for producing diluted hydrofluoric acid
- Patent number 11,198,609
- Issue date Dec 14, 2021
- Condias GmbH
- Matthias Fryda
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process to recover hydrogen fluoride from hydrogen fluoride-polymer...
- Patent number 10,280,082
- Issue date May 7, 2019
- Honeywell International Inc.
- Matthew H. Luly
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Azeotrope-like composition of hexafluoropropane, hexafluoropropene...
- Patent number 8,653,311
- Issue date Feb 18, 2014
- Honeywell International Inc.
- Ryan Hulse
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Azeotrope-like composition of hexafluoropropane, hexafluoropropene...
- Patent number 8,436,218
- Issue date May 7, 2013
- Honeywell International Inc.
- Ryan Hulse
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Hydrofluoric acid wastewater treatment method and device
- Patent number 7,311,799
- Issue date Dec 25, 2007
- Sasakura Engineering Co., Ltd.
- Junji Mizutani
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method for recovering an organic solvent from an acidic waste strea...
- Patent number 6,423,290
- Issue date Jul 23, 2002
- International Business Machines Corporation
- Anilkumar C. Bhatt
- C07 - ORGANIC 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
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
Method for separating and recovering an acid
- Patent number 5,300,228
- Issue date Apr 5, 1994
- Asahi Glass Company Ltd.
- Yoshio Sugaya
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for purifying hydrogen fluoride
- Patent number 4,952,386
- Issue date Aug 28, 1990
- Athens Corporation
- John B. Davison
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of hydrofluoric acid etching solutions with weak anion...
- Patent number 4,125,594
- Issue date Nov 14, 1978
- Corning Glass Works
- Yao-Sin Su
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purification of hydrofluoric acid
- Patent number 4,056,605
- Issue date Nov 1, 1977
- Alexandr Ilich Vulikh
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3653811
- Patent number 3,653,811
- Issue date Apr 4, 1972
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2829028
- Patent number 2,829,028
- Issue date Apr 1, 1958
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING DILUTED HYDROFLUORIC ACID
- Publication number 20180148332
- Publication date May 31, 2018
- CONDIAS GMBH
- Matthias FRYDA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS TO RECOVER HYDROGEN FLUORIDE FROM HYDROGEN FLUORIDE-POLYMER...
- Publication number 20180093891
- Publication date Apr 5, 2018
- HONEYWELL INTERNATIONAL INC.
- Matthew H. Luly
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Azeotrope-Like Composition of Hexafluoropropane, Hexafluoropropene...
- Publication number 20130217929
- Publication date Aug 22, 2013
- Honeywell International Inc.
- RYAN HULSE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Azeotrope-Like Composition of Hexafluoropropane, Hexafluoropropene...
- Publication number 20110295045
- Publication date Dec 1, 2011
- Honeywell International Inc.
- RYAN HULSE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Hydrofluoric acid wastewater treatment method and device
- Publication number 20040104107
- Publication date Jun 3, 2004
- SASAKURA ENGINEERING CO., LTD.
- Junji Mizutani
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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
Process for removing arsenic compounds from the distillation bottom...
- Publication number 20020063052
- Publication date May 30, 2002
- Axel Peters
- 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 solid ion-exchangers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing diluted hydrofluoric acid

Process to recover hydrogen fluoride from hydrogen fluoride-polymer...

Azeotrope-like composition of hexafluoropropane, hexafluoropropene...

Azeotrope-like composition of hexafluoropropane, hexafluoropropene...

Hydrofluoric acid wastewater treatment method and device

Method for recovering an organic solvent from an acidic waste strea...

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

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

Method for separating and recovering an acid

Method and apparatus for purifying hydrogen fluoride

Purification of hydrofluoric acid etching solutions with weak anion...

Method for purification of hydrofluoric acid

3653811

2829028

Patents Applicationslast 30 patents

METHOD FOR PRODUCING DILUTED HYDROFLUORIC ACID

PROCESS TO RECOVER HYDROGEN FLUORIDE FROM HYDROGEN FLUORIDE-POLYMER...

Azeotrope-Like Composition of Hexafluoropropane, Hexafluoropropene...

Azeotrope-Like Composition of Hexafluoropropane, Hexafluoropropene...

Hydrofluoric acid wastewater treatment method and device

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

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

Process for removing arsenic compounds from the distillation bottom...

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