Cationic impurities

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CPC
C01B25/238

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CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B25/00Phosphorus Compounds thereof

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C01B25/238Cationic impurities

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Processes for the removal and recovery of cadmium from wet-process...
- Patent number 12,123,072
- Issue date Oct 22, 2024
- K-TECHNOLOGIES, INC.
- William W. Berry
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processes for the removal and recovery of cadmium from wet-process...
- Patent number 11,840,745
- Issue date Dec 12, 2023
- K-TECHNOLOGIES, INC.
- William W. Berry
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for removing cadmium in the manufacture of phosphoric acid
- Patent number 11,667,528
- Issue date Jun 6, 2023
- JESA TECHNOLOGIES LLC
- Stephen Wayne Hilakos
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Processes for the removal and recovery of cadmium from wet-process...
- Patent number 11,512,367
- Issue date Nov 29, 2022
- K-TECHNOLOGIES, INC.
- William W. Berry
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Processes for the recovery of uranium from wet-process phosphoric a...
- Patent number 11,047,022
- Issue date Jun 29, 2021
- OCP S.A.
- William W Berry
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Compositions and processes for removing heavy metals from phosphori...
- Patent number 10,865,110
- Issue date Dec 15, 2020
- Cytec Industries Inc.
- Lei Zhang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Processes for the recovery of uranium from wet-process phosphoric a...
- Patent number 10,060,011
- Issue date Aug 28, 2018
- K-TECHNOLOGIES, INC.
- William W Berry
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Extraction of uranium from wet-process phosphoric acid
- Patent number 9,932,654
- Issue date Apr 3, 2018
- Urtek, LLC
- Marcus Worsley Richardson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processes for the recovery of uranium from industrial phosphoric ac...
- Patent number 9,702,026
- Issue date Jul 11, 2017
- K-TECHNOLOGIES, INC.
- William W Berry
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Processes for the removal and recovery of minor elements in wet-pro...
- Patent number 9,573,810
- Issue date Feb 21, 2017
- K-TECHNOLOGIES, INC.
- William W. Berry
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Extraction of uranium from wet-process phosphoric acid
- Patent number 8,883,096
- Issue date Nov 11, 2014
- Urtek, LLC
- Marcus Worsley Richardson
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Purification of phosphoric acid rich streams
- Patent number 8,034,312
- Issue date Oct 11, 2011
- Niro Process Technology B.V.
- Reinhard Uwe Scholz
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Immobilization of metal contaminants from a liquid to a solid medium
- Patent number 5,495,064
- Issue date Feb 27, 1996
- Albright & Wilson Limited
- Michael L. James
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of lead and cadmium from phosphoric acid
- Patent number 5,431,895
- Issue date Jul 11, 1995
- Hoechst Aktiengesellschaft
- Dirk C. Vermaire
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of cadmium from solutions of phosphoric acid
- Patent number 5,246,681
- Issue date Sep 21, 1993
- Enichem Agricoltura S.p.A.
- Gaetano Calicchio
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of vanadium from phosphoric acid
- Patent number 5,230,876
- Issue date Jul 27, 1993
- J. R. Simplot Co.
- Klaas J. Hutter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of vanadium from wet process phosphoric acid
- Patent number 5,171,548
- Issue date Dec 15, 1992
- Advanced Separation Technologies Incorporated
- Gordon J. Rossiter
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the removal of cadmium ions from phosphoric acid result...
- Patent number 5,068,094
- Issue date Nov 26, 1991
- Chemische Fabrik Budenheim Rudolf A. Oetker
- Klaus Frankenfeld
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for removal of heavy metals, especially cadmium, from phosph...
- Patent number 4,986,970
- Issue date Jan 22, 1991
- Norsk Hydro a.s
- Hans F. T. Haraldsen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of cadmium from phosphoric acid-containing solutions
- Patent number 4,975,162
- Issue date Dec 4, 1990
- Shell Research Limited
- Karl R. Engels
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Process for working up phosphoric acid
- Patent number 4,971,778
- Issue date Nov 20, 1990
- Hoechst AG.
- Gerhard Bettermann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of cationic impurities from inorganic solutions
- Patent number 4,861,490
- Issue date Aug 29, 1989
- Phosphate Engineering & Construction Co., Inc.
- Susan B. Morris
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for extracting arsenic and heavy metals from phosphoric acid
- Patent number 4,824,650
- Issue date Apr 25, 1989
- Lloyd E. Segrist
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the removal of heavy metals from acid, phosphate-contai...
- Patent number 4,822,582
- Issue date Apr 18, 1989
- Stamicarbon B.V.
- Cornelis A. M. Weterings
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for the removal of cadmium from acid phosphate-containing aq...
- Patent number 4,806,323
- Issue date Feb 21, 1989
- Stamicarbon B.V.
- Tjay T. Tjioe
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for purifying phosphoric acid for electrical semiconductor use
- Patent number 4,804,526
- Issue date Feb 14, 1989
- FMC Corporation
- Richard E. Hall
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for freeing mineral acids from heavy metals
- Patent number 4,777,028
- Issue date Oct 11, 1988
- Hoechst Aktiengesellschaft
- Klaus Schrodter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of wet-process phosphoric acid
- Patent number 4,769,226
- Issue date Sep 6, 1988
- Rhone-Poulenc Chimie de Base
- Louis Winand
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for working up heavy metal-containing residues originally f...
- Patent number 4,762,693
- Issue date Aug 9, 1988
- Hoechst Aktiengesellschaft
- Gunther Schimmel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of arsenic from acids
- Patent number 4,692,228
- Issue date Sep 8, 1987
- Tenneco Canada Inc. (ERCO division)
- Zbigniew Twardowski
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
PROCESSES FOR THE REMOVAL AND RECOVERY OF CADMIUM FROM WET-PROCESS...
- Publication number 20240158888
- Publication date May 16, 2024
- K-TECHNOLOGIES, INC.
- William W. Berry
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE REMOVAL OF HEAVY METALS FROM A PHOSPHORIC ACID CONT...
- Publication number 20230234847
- Publication date Jul 27, 2023
- YARA INTERNATIONAL ASA
- Patrycja KITA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR PURIFYING A PHOSPHATE CONTAINING ACIDIC SOLUTION COMPRI...
- Publication number 20230226492
- Publication date Jul 20, 2023
- PRAYON
- Marc Sonveaux
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE REMOVAL OF HEAVY METALS FROM A PHOSPHORIC ACID CONT...
- Publication number 20230227311
- Publication date Jul 20, 2023
- YARA INTERNATIONAL ASA
- Patrycja KITA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE REMOVAL OF HEAVY METALS FROM A PHOSPHORIC ACID CONT...
- Publication number 20230219817
- Publication date Jul 13, 2023
- YARA INTERNATIONAL ASA
- Patrycja KITA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR THE REMOVAL AND RECOVERY OF CADMIUM FROM WET-PROCESS...
- Publication number 20230122906
- Publication date Apr 20, 2023
- K-TECHNOLOGIES, INC.
- William W. Berry
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR REMOVING CADMIUM IN THE MANUFACTURE OF PHOSPHORIC ACID
- Publication number 20220332582
- Publication date Oct 20, 2022
- JESA TECHNOLOGIES LLC
- Stephen Wayne HILAKOS
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR THE REMOVAL AND RECOVERY OF CADMIUM FROM WET-PROCESS...
- Publication number 20220325377
- Publication date Oct 13, 2022
- K-TECHNOLOGIES, INC.
- William W. Berry
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR REMOVING CADMIUM AND OTHER METALS AND IMPURITIES IN PHO...
- Publication number 20210269310
- Publication date Sep 2, 2021
- Mai ATTIA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
COMPOSITIONS AND PROCESSES FOR REMOVING HEAVY METALS FROM PHOSPHORI...
- Publication number 20190106324
- Publication date Apr 11, 2019
- CYTEC INDUSTRIES INC.
- Lei ZHANG
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESSES FOR THE RECOVERY OF URANIUM FROM WET-PROCESS PHOSPHORIC A...
- Publication number 20190078176
- Publication date Mar 14, 2019
- K-TECHNOLOGIES, INC.
- William W. Berry
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Processes for the Recovery of Uranium from Wet-Process Phosphoric A...
- Publication number 20170335430
- Publication date Nov 23, 2017
- K-TECHNOLOGIES, INC.
- William W. Berry
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR REMOVING METAL IONS IN PHOSPHORIC ACID SOLUTION
- Publication number 20160016799
- Publication date Jan 21, 2016
- OCI COMPANY LTD.
- Seung-Hyun HAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESSES FOR THE REMOVAL AND RECOVERY OF MINOR ELEMENTS IN WET-PRO...
- Publication number 20150166343
- Publication date Jun 18, 2015
- K-TECHNOLOGIES, INC.
- William W. Berry
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS AND PLANT FOR DECONTAMINATING PHOSPHORIC ACID SOLUTION
- Publication number 20140197110
- Publication date Jul 17, 2014
- BABCOCK NOELL GMBH
- Gerd Edler
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
EXTRACTION OF URANIUM FROM WET-PROCESS PHOSPHORIC ACID
- Publication number 20130164197
- Publication date Jun 27, 2013
- URTEK, LLC
- MARCUS WORSLEY RICHARDSON
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PURIFICATION OF PHOSPHORIC ACID RICH STREAMS
- Publication number 20080226529
- Publication date Sep 18, 2008
- NIRO PROCESS TECHNOLOGY B.V.
- Reinhard Uwe SCHOLZ
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for removing metal impurities from wet process phosphoric a...
- Publication number 20040179984
- Publication date Sep 16, 2004
- D. R. Nagaraj
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Cationic impurities

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Processes for the removal and recovery of cadmium from wet-process...

Processes for the removal and recovery of cadmium from wet-process...

Method for removing cadmium in the manufacture of phosphoric acid

Processes for the removal and recovery of cadmium from wet-process...

Processes for the recovery of uranium from wet-process phosphoric a...

Compositions and processes for removing heavy metals from phosphori...

Processes for the recovery of uranium from wet-process phosphoric a...

Extraction of uranium from wet-process phosphoric acid

Processes for the recovery of uranium from industrial phosphoric ac...

Processes for the removal and recovery of minor elements in wet-pro...

Extraction of uranium from wet-process phosphoric acid

Purification of phosphoric acid rich streams

Immobilization of metal contaminants from a liquid to a solid medium

Process for the removal of lead and cadmium from phosphoric acid

Process for the removal of cadmium from solutions of phosphoric acid

Removal of vanadium from phosphoric acid

Process for the removal of vanadium from wet process phosphoric acid

Process for the removal of cadmium ions from phosphoric acid result...

Method for removal of heavy metals, especially cadmium, from phosph...

Removal of cadmium from phosphoric acid-containing solutions

Process for working up phosphoric acid

Removal of cationic impurities from inorganic solutions

Method for extracting arsenic and heavy metals from phosphoric acid

Process for the removal of heavy metals from acid, phosphate-contai...

Method for the removal of cadmium from acid phosphate-containing aq...

Process for purifying phosphoric acid for electrical semiconductor use

Process for freeing mineral acids from heavy metals

Purification of wet-process phosphoric acid

Process for working up heavy metal-containing residues originally f...

Removal of arsenic from acids

Patents Applicationslast 30 patents

PROCESSES FOR THE REMOVAL AND RECOVERY OF CADMIUM FROM WET-PROCESS...

PROCESS FOR THE REMOVAL OF HEAVY METALS FROM A PHOSPHORIC ACID CONT...

PROCESS FOR PURIFYING A PHOSPHATE CONTAINING ACIDIC SOLUTION COMPRI...

PROCESS FOR THE REMOVAL OF HEAVY METALS FROM A PHOSPHORIC ACID CONT...

PROCESS FOR THE REMOVAL OF HEAVY METALS FROM A PHOSPHORIC ACID CONT...

PROCESSES FOR THE REMOVAL AND RECOVERY OF CADMIUM FROM WET-PROCESS...

METHOD FOR REMOVING CADMIUM IN THE MANUFACTURE OF PHOSPHORIC ACID

PROCESSES FOR THE REMOVAL AND RECOVERY OF CADMIUM FROM WET-PROCESS...

PROCESS FOR REMOVING CADMIUM AND OTHER METALS AND IMPURITIES IN PHO...

COMPOSITIONS AND PROCESSES FOR REMOVING HEAVY METALS FROM PHOSPHORI...

PROCESSES FOR THE RECOVERY OF URANIUM FROM WET-PROCESS PHOSPHORIC A...

Processes for the Recovery of Uranium from Wet-Process Phosphoric A...

METHOD FOR REMOVING METAL IONS IN PHOSPHORIC ACID SOLUTION

PROCESSES FOR THE REMOVAL AND RECOVERY OF MINOR ELEMENTS IN WET-PRO...

PROCESS AND PLANT FOR DECONTAMINATING PHOSPHORIC ACID SOLUTION

EXTRACTION OF URANIUM FROM WET-PROCESS PHOSPHORIC ACID

PURIFICATION OF PHOSPHORIC ACID RICH STREAMS

Process for removing metal impurities from wet process phosphoric a...