Separation Purification

Industry

CPC
C01B17/90

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Parent Industries

CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B17/00Sulfur Compounds thereof

Current Industry

C01B17/90Separation Purification

Industries

Patents Grantslast 30 patents

Information Patent Grant
Processes and devices for separating entrainment from sulphuric aci...
- Patent number 11,207,628
- Issue date Dec 28, 2021
- Noram Engineering and Constructors Ltd.
- Christopher Lane
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Acid recovery from acid-rich solutions
- Patent number 11,203,527
- Issue date Dec 21, 2021
- MELODEA LTD.
- Shaul Lapidot
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Reduction of content of carboxylic acids and derivatives thereof in...
- Patent number 11,111,201
- Issue date Sep 7, 2021
- Solvay S.A.
- Jean-Marie Blaude
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Porous membrane having a fluorinated copolymer as surface treatment
- Patent number 11,040,312
- Issue date Jun 22, 2021
- Pall Corporation
- James A Belmont
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Acid recovery from acid-rich solutions
- Patent number 10,730,750
- Issue date Aug 4, 2020
- MELODEA LTD.
- Shaul Lapidot
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for recovering and purifying waste sulfuric acid solution
- Patent number 10,689,255
- Issue date Jun 23, 2020
- XIANGTAN UNIVERSITY
- Jing Cao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparation of hydrobromic acid
- Patent number 10,626,015
- Issue date Apr 21, 2020
- Agrocel Industries Limited
- Dipesh Kantisen Shroff
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sulfonation process
- Patent number 10,428,163
- Issue date Oct 1, 2019
- Rohm and Haas Company
- John C. Rohanna
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Regeneration of acidic ionic liquid catalysts
- Patent number 10,391,481
- Issue date Aug 27, 2019
- Chevron U.S.A. Inc.
- Saleh Ali Elomari
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
System for manufacturing high purity sulfuric acid
- Patent number 10,351,427
- Issue date Jul 16, 2019
- ASIA UNION ELECTRONIC CHEMICAL CORP.
- Curtis Douglas Dove
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Acid recovery from acid-rich solutions
- Patent number 10,287,164
- Issue date May 14, 2019
- MELODEA LTD.
- Shaul Lapidot
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Treating sulfuric acid
- Patent number 10,138,124
- Issue date Nov 27, 2018
- Rohm and Haas Company
- John C. Rohanna
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for recovering an acid from acid/sugar solutions
- Patent number 9,945,000
- Issue date Apr 17, 2018
- Fpinnovations
- Naceur Jemaa
- C13 - SUGAR INDUSTRY
Information Patent Grant
Method for manufacturing high purity sulfuric acid
- Patent number 9,926,198
- Issue date Mar 27, 2018
- ASIA UNION ELECTRONIC CHEMICAL CORP.
- Curtis Douglas Dove
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for separating arsenic and heavy metals in an acidic washing...
- Patent number 9,555,362
- Issue date Jan 31, 2017
- Eisenmann AG
- Angela Ante
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing sulfuric acid with low levels of niter
- Patent number 9,499,405
- Issue date Nov 22, 2016
- E. I. Du Pont de Nemours and Company
- Hasan Dindi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Methods for the manufacture of cellulose nanocrystals
- Patent number 9,297,111
- Issue date Mar 29, 2016
- Domtar Paper Company, LLC
- Bruno Marcoccia
- C13 - SUGAR INDUSTRY
Information Patent Grant
Method and apparatus for recycling waste sulfuric acid
- Patent number 9,278,860
- Issue date Mar 8, 2016
- Taiwan Semiconductor Manufacturing Co., Ltd.
- Jin-Feng Shiu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purification of spent sulfuric acid from titanium dioxid...
- Patent number 9,156,716
- Issue date Oct 13, 2015
- The National Titaniun Dioxide Co., Ltd. (CRISTAL)
- Ahmed Yasir Vakayil
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for purification of spent sulfuric acid from titanium dioxid...
- Patent number 9,150,440
- Issue date Oct 6, 2015
- The National Titanium Dioxide Co. Ltd. (CRISTAL)
- Ahmed Yasir Vakayil
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for removing SOx from gas using polyethylene glycol
- Patent number 9,017,454
- Issue date Apr 28, 2015
- Beijing Boyuan-Hengsheng High-Technology Co., Ltd.
- Xionghui Wei
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for production of sulphuric acid
- Patent number 8,926,936
- Issue date Jan 6, 2015
- Haldor Topsoe A/S
- Anders Helbo Hansen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing sulfuric acid with low levels of nitrogen oxides
- Patent number 8,815,202
- Issue date Aug 26, 2014
- E I du Pont de Nemours and Company
- Hasan Dindi
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reducing agent for the soluble chromate content of cement and metho...
- Patent number 8,808,451
- Issue date Aug 19, 2014
- Crenox GmbH
- Michael Vössing
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fractionation of a waste liquor stream from nanocrystalline cellulo...
- Patent number 8,709,203
- Issue date Apr 29, 2014
- FPInnovations
- Naceur Jemaa
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Galvanic waste sludge treatment and manufacturing of nano-sized iro...
- Patent number 8,603,420
- Issue date Dec 10, 2013
- Green Future Ltd.
- Vladimir Boiko
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Regeneration of acidic catalysts
- Patent number 8,507,396
- Issue date Aug 13, 2013
- Chevron U.S.A. Inc.
- Saleh Elomari
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the manufacture of an ammonium sulfate composition
- Patent number 8,496,905
- Issue date Jul 30, 2013
- Nutrinova Nutrition Specialties & Food Ingredients GmbH
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Manufacture method of ultra-pure sulfuric acid
- Patent number 8,303,925
- Issue date Nov 6, 2012
- Asian Union Electronic Chemical Corp. Shanghai
- Jiarong Zhan
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for recovering sulfuric acid from concentrated acid hydrolys...
- Patent number 8,052,953
- Issue date Nov 8, 2011
- Peihao Chen
- C13 - SUGAR INDUSTRY

Patents Applicationslast 30 patents

Information Patent Application
METHODS AND SYSTEMS FOR PRODUCING SULFUR-CONTAINING PRODUCTS
- Publication number 20240409408
- Publication date Dec 12, 2024
- APPLIED TECHNOLOGY LIMITED PARTNERSHIP
- Nathan Joseph Porter
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR CONCENTRATING DILUTED SULFURIC ACID
- Publication number 20230406704
- Publication date Dec 21, 2023
- BASF SE
- Maximilian KOELLER
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Method of removing hydrogen peroxide from sulfuric acid
- Publication number 20230339754
- Publication date Oct 26, 2023
- Cheng Ming Huang
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHANOL AND SULFURIC ACID CO-PRODUCTION SYSTEM
- Publication number 20230174443
- Publication date Jun 8, 2023
- Korea Institute of Science and Technology
- Ung LEE
- C07 - ORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE REMOVAL OF PARTICULATE MATTER FROM AN AQUEOUS STREAM
- Publication number 20220401863
- Publication date Dec 22, 2022
- Topsoe A/S
- Mads LYKKE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESSES USEFUL IN THE MANUFACTURE OF CYCLODODECASULFUR
- Publication number 20220169506
- Publication date Jun 2, 2022
- Eastman Chemical Company
- SCOTT DONALD BARNICKI
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
SULFUR MANAGEMENT METHOD
- Publication number 20210130719
- Publication date May 6, 2021
- OXY USA INC.
- Robert L. ZELLER
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ACID RECOVERY FROM ACID-RICH SOLUTIONS
- Publication number 20200361771
- Publication date Nov 19, 2020
- Melodea Ltd.
- Shaul LAPIDOT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
POROUS MEMBRANE HAVING A FLUORINATED COPOLYMER AS SURFACE TREATMENT
- Publication number 20200353427
- Publication date Nov 12, 2020
- PALL CORPORATION
- James A Belmont
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESSES AND DEVICES FOR SEPARATING ENTRAINMENT FROM SULPHURIC ACI...
- Publication number 20200101407
- Publication date Apr 2, 2020
- Noram Engineering and Constructors Ltd.
- Christopher LANE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Method for recovering and purifying waste sulfuric acid solution
- Publication number 20190382266
- Publication date Dec 19, 2019
- Xiangtan University
- Jing Cao
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ACID RECOVERY FROM ACID-RICH SOLUTIONS
- Publication number 20190225492
- Publication date Jul 25, 2019
- Melodea Ltd.
- Shaul LAPIDOT
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Application
PROCESS FOR PREPARATION OF HYDROBROMIC ACID
- Publication number 20190119111
- Publication date Apr 25, 2019
- Agrocel Industries Limited
- Dipesh Kantisen SHROFF
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR MANUFACTURING HIGH PURITY SULFURIC ACID
- Publication number 20180162731
- Publication date Jun 14, 2018
- ASIA UNION ELECTRONIC CHEMICAL CORP.
- Curtis Douglas DOVE
- C01 - INORGANIC CHEMISTRY
Information Patent Application
SULFONATION PROCESS
- Publication number 20180086863
- Publication date Mar 29, 2018
- Rohm and Haas Company
- John C. Rohanna
- C01 - INORGANIC CHEMISTRY
Information Patent Application
TREATING SULFURIC ACID
- Publication number 20180079645
- Publication date Mar 22, 2018
- Rohm and Haas Company
- John C. Rohanna
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
ACID RECOVERY FROM ACID-RICH SOLUTIONS
- Publication number 20170355602
- Publication date Dec 14, 2017
- Melodea Ltd.
- Shaul LAPIDOT
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR RECOVERING AN ACID FROM ACID/SUGAR SOLUTIONS
- Publication number 20160312317
- Publication date Oct 27, 2016
- FPINNOVATIONS
- Naceur JEMAA
- C13 - SUGAR INDUSTRY
Information Patent Application
PROCESS FOR PRODUCING SULFURIC ACID WITH LOW LEVELS OF NITER
- Publication number 20160264420
- Publication date Sep 15, 2016
- E I DU PONT DE NEMOURS AND COMPANY
- Hasan Dindi
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD AND APPARATUS FOR RECYCLING WASTE SULFURIC ACID
- Publication number 20160023901
- Publication date Jan 28, 2016
- Taiwan Semiconductor Manufacturing Co., LTD
- Jin-Feng SHIU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REGENERATION OF ACIDIC IONIC LIQUID CATALYSTS
- Publication number 20150165430
- Publication date Jun 18, 2015
- Chevron U.S.A. Inc.
- Saleh Ali Elomari
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR SEPARATING ARSENIC AND HEAVY METALS IN AN ACIDIC WASHING...
- Publication number 20140339468
- Publication date Nov 20, 2014
- Angela Ante
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR MANUFACTURING HIGH PURITY SULFURIC ACID
- Publication number 20140326593
- Publication date Nov 6, 2014
- ASIA UNION ELECTRONICAL CHEMICAL CORP.
- Curtis Douglas DOVE
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING SULFURIC ACID WITH LOW LEVELS OF NITROGEN OXIDES
- Publication number 20140056802
- Publication date Feb 27, 2014
- E I DU PONT DE NEMOURS AND COMPANY
- Hasan Dindi
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PRODUCTION OF SULPHURIC ACID
- Publication number 20140048228
- Publication date Feb 20, 2014
- Anders Helbo Hansen
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
REGENERATION OF ACIDIC IONIC LIQUID CATALYSTS
- Publication number 20130303358
- Publication date Nov 14, 2013
- Chevron U.S.A. Inc.
- Saleh Ali Elomari
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD FOR PURIFICATION OF SPENT SULFURIC ACID FROM TITANIUM DIOXID...
- Publication number 20130302240
- Publication date Nov 14, 2013
- The National Titanium Dioxide Co. Ltd. (CRISTAL)
- Ahmed Yasir VAKAYIL
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Method for the Manufacture of an Ammonium Sulfate Composition
- Publication number 20130064755
- Publication date Mar 14, 2013
- Stephan Brietzke
- C07 - ORGANIC CHEMISTRY
Information Patent Application
METHOD FOR THE SEPARATION OF A NON-VOLATILE STRONG ACID FROM A SALT...
- Publication number 20120301389
- Publication date Nov 29, 2012
- ASHER VITNER LTD.
- Aharon Eyal
- C01 - INORGANIC CHEMISTRY
Information Patent Application
FRACTIONATION OF A WASTE LIQUOR STREAM FROM NANOCRYSTALLINE CELLULO...
- Publication number 20120211184
- Publication date Aug 23, 2012
- Fpinnovations
- Naceur Jemaa
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Separation Purification

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Processes and devices for separating entrainment from sulphuric aci...

Acid recovery from acid-rich solutions

Reduction of content of carboxylic acids and derivatives thereof in...

Porous membrane having a fluorinated copolymer as surface treatment

Acid recovery from acid-rich solutions

Method for recovering and purifying waste sulfuric acid solution

Process for preparation of hydrobromic acid

Sulfonation process

Regeneration of acidic ionic liquid catalysts

System for manufacturing high purity sulfuric acid

Acid recovery from acid-rich solutions

Treating sulfuric acid

Method for recovering an acid from acid/sugar solutions

Method for manufacturing high purity sulfuric acid

Method for separating arsenic and heavy metals in an acidic washing...

Process for producing sulfuric acid with low levels of niter

Methods for the manufacture of cellulose nanocrystals

Method and apparatus for recycling waste sulfuric acid

Method for purification of spent sulfuric acid from titanium dioxid...

Method for purification of spent sulfuric acid from titanium dioxid...

Method for removing SOx from gas using polyethylene glycol

Process for production of sulphuric acid

Process for producing sulfuric acid with low levels of nitrogen oxides

Reducing agent for the soluble chromate content of cement and metho...

Fractionation of a waste liquor stream from nanocrystalline cellulo...

Galvanic waste sludge treatment and manufacturing of nano-sized iro...

Regeneration of acidic catalysts

Method for the manufacture of an ammonium sulfate composition

Manufacture method of ultra-pure sulfuric acid

Method for recovering sulfuric acid from concentrated acid hydrolys...

Patents Applicationslast 30 patents

METHODS AND SYSTEMS FOR PRODUCING SULFUR-CONTAINING PRODUCTS

PROCESS FOR CONCENTRATING DILUTED SULFURIC ACID

Method of removing hydrogen peroxide from sulfuric acid

METHANOL AND SULFURIC ACID CO-PRODUCTION SYSTEM

PROCESS FOR THE REMOVAL OF PARTICULATE MATTER FROM AN AQUEOUS STREAM

PROCESSES USEFUL IN THE MANUFACTURE OF CYCLODODECASULFUR

SULFUR MANAGEMENT METHOD

ACID RECOVERY FROM ACID-RICH SOLUTIONS

POROUS MEMBRANE HAVING A FLUORINATED COPOLYMER AS SURFACE TREATMENT

PROCESSES AND DEVICES FOR SEPARATING ENTRAINMENT FROM SULPHURIC ACI...

Method for recovering and purifying waste sulfuric acid solution

ACID RECOVERY FROM ACID-RICH SOLUTIONS

PROCESS FOR PREPARATION OF HYDROBROMIC ACID

METHOD FOR MANUFACTURING HIGH PURITY SULFURIC ACID

SULFONATION PROCESS

TREATING SULFURIC ACID

ACID RECOVERY FROM ACID-RICH SOLUTIONS

METHOD FOR RECOVERING AN ACID FROM ACID/SUGAR SOLUTIONS

PROCESS FOR PRODUCING SULFURIC ACID WITH LOW LEVELS OF NITER

METHOD AND APPARATUS FOR RECYCLING WASTE SULFURIC ACID

REGENERATION OF ACIDIC IONIC LIQUID CATALYSTS

METHOD FOR SEPARATING ARSENIC AND HEAVY METALS IN AN ACIDIC WASHING...

METHOD FOR MANUFACTURING HIGH PURITY SULFURIC ACID

PROCESS FOR PRODUCING SULFURIC ACID WITH LOW LEVELS OF NITROGEN OXIDES

PROCESS FOR PRODUCTION OF SULPHURIC ACID

REGENERATION OF ACIDIC IONIC LIQUID CATALYSTS

METHOD FOR PURIFICATION OF SPENT SULFURIC ACID FROM TITANIUM DIOXID...

Method for the Manufacture of an Ammonium Sulfate Composition

METHOD FOR THE SEPARATION OF A NON-VOLATILE STRONG ACID FROM A SALT...

FRACTIONATION OF A WASTE LIQUOR STREAM FROM NANOCRYSTALLINE CELLULO...