with elimination of impurities

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CPC
C01B25/303

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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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C01B25/303with elimination of impurities

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Patents Grantslast 30 patents

Information Patent Grant
Manufacturing method of high purity lithium phosphate from the wast...
- Patent number 10,056,656
- Issue date Aug 21, 2018
- KANGWON NATIONAL UNIVERSITY UNIVERSITY-INDUSTRY COOPERATION FOUNDATION
- Young Jun Song
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of producing alkali metal phosphate
- Patent number 5,443,808
- Issue date Aug 22, 1995
- Kemira Oy
- Stig-Goran A. Weckman
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Production of monobasic potassium phosphate with low chloride conte...
- Patent number 4,885,148
- Issue date Dec 5, 1989
- Phosphate Engineering & Construction Co., Inc.
- William R. Erickson
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the manufacture of disodium phosphate
- Patent number 4,759,920
- Issue date Jul 26, 1988
- Negev Phosphates Ltd.
- Alexander Iosef
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus for reducing iron and vanadium in phosphoric acid solution
- Patent number 4,705,671
- Issue date Nov 10, 1987
- Hoechst Aktiengesellschaft
- Herbert Ressel
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the manufacture of monopotassium phosphate
- Patent number 4,678,649
- Issue date Jul 7, 1987
- Negev Phosphates Ltd.
- Iosef Alexander
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for reducing iron and vanadium in phosphoric acid solution
- Patent number 4,642,224
- Issue date Feb 10, 1987
- Hoechst Aktiengesellschaft
- Herbert Ressel
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making alkali metal phosphate solutions containing litt...
- Patent number 4,632,812
- Issue date Dec 30, 1986
- Hoechst Aktiengesellschaft
- Johannes-Wilhelmus Kinneging
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of alkali metal phosphate solutions free from zinc
- Patent number 4,299,803
- Issue date Nov 10, 1981
- Hoechst Aktiengesellschaft
- Klaus Schrodter
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of fluoride-free phosphates
- Patent number 4,222,990
- Issue date Sep 16, 1980
- Pennzoil Company
- Erhart K. Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Preparation of detergent grade sodium tripolyphosphate from wet pro...
- Patent number 4,209,497
- Issue date Jun 24, 1980
- Stauffer Chemical Company
- Mazin R. Irani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Fluoride-free phosphate reactions
- Patent number 4,191,734
- Issue date Mar 4, 1980
- Pennzoil Company
- Erhart K. Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Preparation of sodium tripolyphosphate
- Patent number 4,146,575
- Issue date Mar 27, 1979
- EUTECO S.p.A.
- Onorio Gallistru
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of pure alkali metal phosphate solutions from wet-proces...
- Patent number 4,134,962
- Issue date Jan 16, 1979
- Hoechst Aktiengesellschaft
- Klaus-Peter Ehlers
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of producing phosphoric acid and potassium dihydrogen phosph...
- Patent number 4,105,748
- Issue date Aug 8, 1978
- Pennzoil Company
- Erhart K. Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Production of pure alkali metal phosphate solutions from wet-proces...
- Patent number 4,100,261
- Issue date Jul 11, 1978
- Hoechst Aktiengesellschaft
- Klaus-Peter Ehlers
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of fluoride-free phosphates
- Patent number 4,086,322
- Issue date Apr 25, 1978
- Pennzoil Company
- Erhart K. Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method of producing fluoride-free phosphoric acid
- Patent number 4,055,626
- Issue date Oct 25, 1977
- Pennzoil Company
- Erhart Karl Drechsel
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Removal of fluorine from phosphatic solutions
- Patent number 4,053,561
- Issue date Oct 11, 1977
- Stauffer Chemical Company
- Mazin R. Irani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of alkali metal phosphate solutions of low vanadium content
- Patent number 4,053,562
- Issue date Oct 11, 1977
- Hoechst Aktiengesellschaft
- Heinz Harnisch
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Reclamation of phosphate from bright dip drag-out
- Patent number 4,044,106
- Issue date Aug 23, 1977
- Albert Yi-Hung Fang
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of monobasic potassium phosphate by electrodialysis
- Patent number 4,033,842
- Issue date Jul 5, 1977
- Southwire Company
- Kent W. Loest
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of monobasic potassium phosphate by ion exchange
- Patent number 4,008,307
- Issue date Feb 15, 1977
- Southwire Company
- Kent W. Loest
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Cleanup of wet process phosphoric acid
- Patent number 3,993,735
- Issue date Nov 23, 1976
- Stauffer Chemical Company
- Mazin R. Irani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Food grade alkali metal phosphates from wet process H.sub.3 PO.sub.4
- Patent number 3,993,733
- Issue date Nov 23, 1976
- Stauffer Chemical Company
- Mazin R. Irani
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3764655
- Patent number 3,764,655
- Issue date Oct 9, 1973
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3763005
- Patent number 3,763,005
- Issue date Oct 2, 1973
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
3655335
- Patent number 3,655,335
- Issue date Apr 11, 1972
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3493336
- Patent number 3,493,336
- Issue date Feb 3, 1970
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3423170
- Patent number 3,423,170
- Issue date Jan 21, 1969
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR THE HIGH EFFICIENCY RECYCLING OF IRON PHOSPHATE BLACK PO...
- Publication number 20240182304
- Publication date Jun 6, 2024
- Watix Technology LLC
- Robert Brian Huang
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS TO PRODUCE LITHIUM COMPOUNDS
- Publication number 20230234848
- Publication date Jul 27, 2023
- RECION TECHNOLOGIES, INC.
- Salman SAFARIMOHSENABAD
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PRODUCTION OF A FERTILIZER
- Publication number 20220306471
- Publication date Sep 29, 2022
- NOURYON CHEMICALS INTERNATIONAL B.V.
- Martinus Catharinus TAMMER
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PROCESS FOR THE PRODUCTION OF A FERTILIZER
- Publication number 20210163289
- Publication date Jun 3, 2021
- NOURYON CHEMICALS INTERNATIONAL B.V.
- Martinus Catharinus TAMMER
- C01 - INORGANIC CHEMISTRY

with elimination of impurities

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Manufacturing method of high purity lithium phosphate from the wast...

Method of producing alkali metal phosphate

Production of monobasic potassium phosphate with low chloride conte...

Process for the manufacture of disodium phosphate

Apparatus for reducing iron and vanadium in phosphoric acid solution

Process for the manufacture of monopotassium phosphate

Process for reducing iron and vanadium in phosphoric acid solution

Process for making alkali metal phosphate solutions containing litt...

Production of alkali metal phosphate solutions free from zinc

Production of fluoride-free phosphates

Preparation of detergent grade sodium tripolyphosphate from wet pro...

Fluoride-free phosphate reactions

Preparation of sodium tripolyphosphate

Production of pure alkali metal phosphate solutions from wet-proces...

Method of producing phosphoric acid and potassium dihydrogen phosph...

Production of pure alkali metal phosphate solutions from wet-proces...

Production of fluoride-free phosphates

Method of producing fluoride-free phosphoric acid

Removal of fluorine from phosphatic solutions

Production of alkali metal phosphate solutions of low vanadium content

Reclamation of phosphate from bright dip drag-out

Production of monobasic potassium phosphate by electrodialysis

Production of monobasic potassium phosphate by ion exchange

Cleanup of wet process phosphoric acid

Food grade alkali metal phosphates from wet process H.sub.3 PO.sub.4

3764655

3763005

3655335

3493336

3423170

Patents Applicationslast 30 patents

METHOD FOR THE HIGH EFFICIENCY RECYCLING OF IRON PHOSPHATE BLACK PO...

PROCESS TO PRODUCE LITHIUM COMPOUNDS

PROCESS FOR THE PRODUCTION OF A FERTILIZER

PROCESS FOR THE PRODUCTION OF A FERTILIZER