Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange

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CPC
C01G41/003

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CCHEMISTRY METALLURGY C01Inorganic chemistry C01GCOMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F C01G41/00Compounds of tungsten

Current Industry

C01G41/003Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange

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Patents Grantslast 30 patents

Information Patent Grant
Preparation method of phosphotungstic acid
- Patent number 11,214,495
- Issue date Jan 4, 2022
- Central South University
- Zhongwei Zhao
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for producing sodium tungstate, method for collecting tungst...
- Patent number 9,512,504
- Issue date Dec 6, 2016
- A.L.M.T. Corp.
- Yoshiharu Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing sodium tungstate, method for collecting tungst...
- Patent number 9,249,479
- Issue date Feb 2, 2016
- A.L.M.T. Corp.
- Yoshiharu Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing sodium tungstate, method for collecting tungst...
- Patent number 8,632,747
- Issue date Jan 21, 2014
- A.L.M.T. Corp.
- Yoshiharu Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering molybdate or tungstate from aqueous solutions
- Patent number 8,545,673
- Issue date Oct 1, 2013
- Evonik Degussa GmbH
- Thomas Dietz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Ammonium paratungstate hydrates and ammonium paratungstate decahydrate
- Patent number 8,440,161
- Issue date May 14, 2013
- H.C. Starck GmbH
- Viktor Stoller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for making ammonium metatungstate
- Patent number 8,435,483
- Issue date May 7, 2013
- TDY Industries, LLC
- John R. White
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for recovering molybdate or tungstate from aqueous solutions
- Patent number 8,277,765
- Issue date Oct 2, 2012
- Evonik Degussa GmbH
- Thomas Dietz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the extraction of specific transition metals
- Patent number 8,268,267
- Issue date Sep 18, 2012
- Metals Recovery Technology Inc.
- Joseph L. Thomas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing ammonium paratungstate hydrates and ammonium p...
- Patent number 8,216,533
- Issue date Jul 10, 2012
- H.C. Starck GmbH
- Viktor Stoller
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for making ammonium metatungstate
- Patent number 7,794,686
- Issue date Sep 14, 2010
- TDY Industries, Inc.
- John R. White
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the extraction of specific transition metals with gaseo...
- Patent number 7,604,784
- Issue date Oct 20, 2009
- Metals Recovery Technology Inc.
- Joseph L. Thomas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing pure ammonium metallates
- Patent number 5,891,407
- Issue date Apr 6, 1999
- H. C. Starck GmbH & Co. KG
- Wilfried Gutknecht
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of metals
- Patent number 5,478,539
- Issue date Dec 26, 1995
- Zeneca Limited
- Raymond F. Dalton
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering tungsten as an ammoniacal tungstate compound...
- Patent number 5,417,945
- Issue date May 23, 1995
- GTE Products Corporation
- Richard G. W. Gingerich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of metals
- Patent number 5,213,777
- Issue date May 25, 1993
- Imperial Chemical Industries PLC
- Raymond F. Dalton
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for separating tungsten from molybednum
- Patent number 4,999,169
- Issue date Mar 12, 1991
- GTE Products Corporation
- Michael J. Cheresnowsky
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for recovering tungsten from organic solutions
- Patent number 4,882,131
- Issue date Nov 21, 1989
- GTE Products Corporation
- John A. Powers
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for recovering chromium and other metal values from chromiu...
- Patent number 4,798,708
- Issue date Jan 17, 1989
- GTE Products Corporation
- Judith A. Ladd
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Methods for preparing high-purity molybdenum or tungsten powder and...
- Patent number 4,762,695
- Issue date Aug 9, 1988
- Kabushiki Kaisha Toshiba
- Hiroshi Endo
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Process for extracting tungsten from alkali metal tungstate solutions
- Patent number 4,759,915
- Issue date Jul 26, 1988
- GTE Products Corporation
- Tai K. Kim
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of tungsten from ammoniacal solutions
- Patent number 4,626,425
- Issue date Dec 2, 1986
- GTE Products Corporation
- Richard A. Scheithauer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for producing ammonium paratungstate
- Patent number 4,623,534
- Issue date Nov 18, 1986
- GTE Products Corporation
- Richard A. Scheithauer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of tungsten and rhenium
- Patent number 4,599,222
- Issue date Jul 8, 1986
- GTE Products Corporation
- Alan D. Douglas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of rhenium
- Patent number 4,557,906
- Issue date Dec 10, 1985
- GTE Products Corporation
- Alan D. Douglas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovering vanadium values from ammonium bicarbonate solution
- Patent number 4,551,315
- Issue date Nov 5, 1985
- Chevron Research Company
- Paul J. Marcantonio
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for improving solvent extraction operation using two mixers
- Patent number 4,551,314
- Issue date Nov 5, 1985
- Amax Inc.
- Leo W. Beckstead
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for extracting tungsten or molybdenum from solution
- Patent number 4,515,756
- Issue date May 7, 1985
- Occidental Research Corporation
- David J. Blumer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Stripping a solution containing molybdenum, tungsten and/or vanadiu...
- Patent number 4,515,757
- Issue date May 7, 1985
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of cobalt, molybdenum, nickel, tungsten and vanadium from...
- Patent number 4,514,369
- Issue date Apr 30, 1985
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
PREPARATION METHOD OF PHOSPHOTUNGSTIC ACID
- Publication number 20190185341
- Publication date Jun 20, 2019
- CENTRAL SOUTH UNIVERSITY
- Zhongwei ZHAO
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR PRODUCING SODIUM TUNGSTATE, METHOD FOR COLLECTING TUNGST...
- Publication number 20140119998
- Publication date May 1, 2014
- A.L.M.T. CORP.
- Yoshiharu Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING SODIUM TUNGSTATE, METHOD FOR COLLECTING TUNGST...
- Publication number 20140112847
- Publication date Apr 24, 2014
- A.L.M.T. CORP.
- Yoshiharu Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
PROCESS FOR THE EXTRACTION OF SPECIFIC TRANSITION METALS
- Publication number 20130064742
- Publication date Mar 14, 2013
- METALS RECOVERY TECHNOLOGY INC.
- JOSEPH L. THOMAS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
AMMONIUM PARATUNGSTATE HYDRATES AND AMMONIUM PARATUNGSTATE DECAHYDRATE
- Publication number 20130029153
- Publication date Jan 31, 2013
- H.C. Starck GmbH
- Viktor Stoller
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for Recovering Molybdate or Tungstate from Aqueous Solutions
- Publication number 20120305208
- Publication date Dec 6, 2012
- EVONIK DEGUSSA GmbH
- Thomas Dietz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING SODIUM TUNGSTATE, METHOD FOR COLLECTING TUNGST...
- Publication number 20110300040
- Publication date Dec 8, 2011
- A.L.M.T. CORP.
- Yoshiharu Yamamoto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Method for Making Ammonium Metatungstate
- Publication number 20110002840
- Publication date Jan 6, 2011
- TDY INDUSTRIES, INC.
- John R. White
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE EXTRACTION OF SPECIFIC TRANSITION METALS
- Publication number 20100098606
- Publication date Apr 22, 2010
- METALS RECOVERY TECHNOLOGY INC.
- JOSEPH L. THOMAS
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
METHOD FOR PRODUCING AMMONIUM PARATUNGSTATE HYDRATES AND AMMONIUM P...
- Publication number 20100098619
- Publication date Apr 22, 2010
- H.C. Starck GmbH
- Viktor Stoller
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD FOR MAKING AMMONIUM METATUNGSTATE
- Publication number 20100040532
- Publication date Feb 18, 2010
- TDY INDUSTRIES, INC.
- John R. White
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for Recovering Molybdate or Tungstate from Aqueous Solutions
- Publication number 20090274598
- Publication date Nov 5, 2009
- EVONIK DEGUSSA GmbH
- Thomas Dietz
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
Process for the extraction of specific transition metals with gaseo...
- Publication number 20090047198
- Publication date Feb 19, 2009
- Joseph L. Thomas
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Preparation involving a liquid-liquid extraction, an adsorption or an ion-exchange

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Preparation method of phosphotungstic acid

Method for producing sodium tungstate, method for collecting tungst...

Method for producing sodium tungstate, method for collecting tungst...

Method for producing sodium tungstate, method for collecting tungst...

Process for recovering molybdate or tungstate from aqueous solutions

Ammonium paratungstate hydrates and ammonium paratungstate decahydrate

Method for making ammonium metatungstate

Process for recovering molybdate or tungstate from aqueous solutions

Process for the extraction of specific transition metals

Method for producing ammonium paratungstate hydrates and ammonium p...

Method for making ammonium metatungstate

Process for the extraction of specific transition metals with gaseo...

Process for producing pure ammonium metallates

Process for the recovery of metals

Process for recovering tungsten as an ammoniacal tungstate compound...

Process for the recovery of metals

Method for separating tungsten from molybednum

Process for recovering tungsten from organic solutions

Process for recovering chromium and other metal values from chromiu...

Methods for preparing high-purity molybdenum or tungsten powder and...

Process for extracting tungsten from alkali metal tungstate solutions

Recovery of tungsten from ammoniacal solutions

Method for producing ammonium paratungstate

Recovery of tungsten and rhenium

Recovery of rhenium

Recovering vanadium values from ammonium bicarbonate solution

Process for improving solvent extraction operation using two mixers

Process for extracting tungsten or molybdenum from solution

Stripping a solution containing molybdenum, tungsten and/or vanadiu...

Recovery of cobalt, molybdenum, nickel, tungsten and vanadium from...

Patents Applicationslast 30 patents

PREPARATION METHOD OF PHOSPHOTUNGSTIC ACID

METHOD FOR PRODUCING SODIUM TUNGSTATE, METHOD FOR COLLECTING TUNGST...

METHOD FOR PRODUCING SODIUM TUNGSTATE, METHOD FOR COLLECTING TUNGST...

PROCESS FOR THE EXTRACTION OF SPECIFIC TRANSITION METALS

AMMONIUM PARATUNGSTATE HYDRATES AND AMMONIUM PARATUNGSTATE DECAHYDRATE

Process for Recovering Molybdate or Tungstate from Aqueous Solutions

METHOD FOR PRODUCING SODIUM TUNGSTATE, METHOD FOR COLLECTING TUNGST...

Method for Making Ammonium Metatungstate

PROCESS FOR THE EXTRACTION OF SPECIFIC TRANSITION METALS

METHOD FOR PRODUCING AMMONIUM PARATUNGSTATE HYDRATES AND AMMONIUM P...

METHOD FOR MAKING AMMONIUM METATUNGSTATE

Process for Recovering Molybdate or Tungstate from Aqueous Solutions

Process for the extraction of specific transition metals with gaseo...