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Patents Grants
last 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 Applications
last 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-...