Hemihydrate-dihydrate process

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CPC
C01B25/229

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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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C01B25/229Hemihydrate-dihydrate process

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Patents Grantslast 30 patents

Information Patent Grant
Method for producing phosphoric acid and by-producing alpha-hemihyd...
- Patent number 10,745,278
- Issue date Aug 18, 2020
- Kingenta Ecological Engineering Group Co., Ltd.
- Zhaoping Hu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of P.sub.2 O.sub.5 values from phosphoric acid hemihydrate...
- Patent number 4,853,201
- Issue date Aug 1, 1989
- Occidental Chemical Corporation
- Fernando Ore
- 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
Process for the production of highly concentrated phosphoric acid
- Patent number 4,797,265
- Issue date Jan 10, 1989
- Mitsui Toatsu Chemicals, Inc.
- Tadashi Inoue
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Continuous process for preparing phosphoric acid and calcium sulphate
- Patent number 4,777,027
- Issue date Oct 11, 1988
- Prayon Developpment, Societe Anonyme
- Armand L. Davister
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the preparation of phosphoric acid and calcium sulphate
- Patent number 4,588,570
- Issue date May 13, 1986
- Prayon Development
- Armand L. Davister
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for the wet process manufacture of phosphoric acid
- Patent number 4,501,724
- Issue date Feb 26, 1985
- Goers Associates Inc.
- Walter E. Goers
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of recovering uranium from wet process phosphoric acid with...
- Patent number 4,427,641
- Issue date Jan 24, 1984
- Central Glass Company Limited
- Seizi Yoshikawa
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Phosphohemihydrate process for purification of gypsum
- Patent number 4,424,196
- Issue date Jan 3, 1984
- United States Gypsum Company
- Jay W. Palmer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing phosphoric acid
- Patent number 4,311,677
- Issue date Jan 19, 1982
- Swiss Aluminium Ltd.
- Arthur B. Gerunda
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
METHOD FOR PRODUCING PHOSPHORIC ACID AND BY-PRODUCING ALPHA-HEMIHYD...
- Publication number 20180257938
- Publication date Sep 13, 2018
- KINGENTA ECOLOGICAL ENGINEERING GROUP CO., LTD.
- Zhaoping Hu
- C01 - INORGANIC CHEMISTRY
Information Patent Application
PRODUCTION OF PHOSPHORIC ACID BY A TWO-STAGE CRYSTALLIZATION PROCESS
- Publication number 20140255287
- Publication date Sep 11, 2014
- MOS HOLDINGS INC.
- Paul Kucera
- C01 - INORGANIC CHEMISTRY

Hemihydrate-dihydrate process

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Method for producing phosphoric acid and by-producing alpha-hemihyd...

Recovery of P.sub.2 O.sub.5 values from phosphoric acid hemihydrate...

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

Process for the production of highly concentrated phosphoric acid

Continuous process for preparing phosphoric acid and calcium sulphate

Method for the preparation of phosphoric acid and calcium sulphate

Method for the wet process manufacture of phosphoric acid

Method of recovering uranium from wet process phosphoric acid with...

Phosphohemihydrate process for purification of gypsum

Process for producing phosphoric acid

Patents Applicationslast 30 patents

METHOD FOR PRODUCING PHOSPHORIC ACID AND BY-PRODUCING ALPHA-HEMIHYD...

PRODUCTION OF PHOSPHORIC ACID BY A TWO-STAGE CRYSTALLIZATION PROCESS