from or via fluosilicic acid or salts thereof by a wet process

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CPC
C01B33/186

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CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B33/00Silicon Compounds thereof

Current Industry

C01B33/186from or via fluosilicic acid or salts thereof by a wet process

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Patents Grantslast 30 patents

Information Patent Grant
Process for preparing calcium fluoride from fluosilicic acid
- Patent number 11,873,229
- Issue date Jan 16, 2024
- OCP SA
- Kamal Samrane
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
High purity synthetic fluorite, process for preparing the same and...
- Patent number 11,851,341
- Issue date Dec 26, 2023
- FLUORSID S.P.A.
- Luca Pala
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Surface-treated silica filler, and resin composition containing sur...
- Patent number 11,072,710
- Issue date Jul 27, 2021
- Namics Corporation
- Ayako Sato
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Process for the preparation of pure silica
- Patent number 7,534,411
- Issue date May 19, 2009
- STI Silicon Technologies Israel Ltd.
- Lev Shapira
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing high-purity silica by reacting crude silica w...
- Patent number 5,458,864
- Issue date Oct 17, 1995
- Nissan Chemical Industries Ltd.
- Makoto Tsugeno
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing high-purity silica by reacting crude silica w...
- Patent number 5,266,289
- Issue date Nov 30, 1993
- Nissan Chemical Industries Ltd.
- Makoto Tsugeno
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Silica particles and process for producing the same
- Patent number 5,230,953
- Issue date Jul 27, 1993
- Nissan Chemical Industries Ltd.
- Makoto Tsugeno
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of production of high purity silica and ammonium fluoride
- Patent number 5,165,907
- Issue date Nov 24, 1992
- IMCERA Group Inc.
- Paul C. Chieng
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of production of high purity fusible silica
- Patent number 5,028,407
- Issue date Jul 2, 1991
- International Minerals & Chemical Corp.
- Paul C. Chieng
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of production of high purity silica and ammonium fluoride
- Patent number 4,981,664
- Issue date Jan 1, 1991
- International Minerals & Chemical Corporation
- Paul C. Chieng
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of silica and fluorine-containing coproducts from fluosi...
- Patent number 4,915,705
- Issue date Apr 10, 1990
- Freeport Research and Engineering Co.
- Phillip D. Mollere
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the production of soluble alkali silicates
- Patent number 4,693,878
- Issue date Sep 15, 1987
- Swiss Aluminium Ltd.
- Arankathu Skaria
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Recovery of fluorine from waste gases
- Patent number 4,613,494
- Issue date Sep 23, 1986
- James C. Barber and Associates, Inc.
- James C. Barber
- C05 - FERTILISERS MANUFACTURE THEREOF
Information Patent Grant
Method for producing silica
- Patent number 4,557,918
- Issue date Dec 10, 1985
- Boliden Aktiebolag
- Gosta B. Lagerstrom
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for manufacturing boron-free silicon dioxide
- Patent number 4,505,883
- Issue date Mar 19, 1985
- Siemens Aktiengesellschaft
- Lutz Vite
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preparing pure silicon dioxide having high mechanical s...
- Patent number 4,473,539
- Issue date Sep 25, 1984
- Stamicarbon B.V.
- Joseph J. F. Scholten
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of pure silicon dioxide and silicon dio...
- Patent number 4,465,657
- Issue date Aug 14, 1984
- Unie Van Kunstmestfabrieken BV
- Ruud Spijker
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of alkali metal products from alkali metal fluosilicate
- Patent number 4,328,196
- Issue date May 4, 1982
- Pennzoil Company
- John B. Sardisco
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing fluorine compounds and amorphous silica
- Patent number 4,308,244
- Issue date Dec 29, 1981
- Occidental Research Corp.
- Subhas K. Sikdar
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of hydrofluoric acid from fluosilicic acid
- Patent number 4,298,586
- Issue date Nov 3, 1981
- Occidental Research Corp.
- Subhas K. Sikdar
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of hydrofluoric acid from fluosilicic acid with high pH hy...
- Patent number 4,213,951
- Issue date Jul 22, 1980
- Occidental Research Corporation
- Subhas K. Sikdar
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of hydrofluoric acid from fluosilicic acid with high pH hy...
- Patent number 4,213,952
- Issue date Jul 22, 1980
- Occidental Research Corporation
- Subhas K. Sikdar
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing sodium fluoride from sodium silicofluoride
- Patent number 4,057,614
- Issue date Nov 8, 1977
- Central Glass Company, Limited
- Tetsuhiro Ono
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Ammonium fluoride process for defluorinating phosphoric acids and p...
- Patent number 4,046,860
- Issue date Sep 6, 1977
- Gustave E. Kidde
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the production of ammonium fluoride from fluosilicic acid
- Patent number 4,026,997
- Issue date May 31, 1977
- Bayer Aktiengesellschaft
- Siegfried Schneider
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of hydrofluoric acid from aqueous fluosilicic acid
- Patent number 3,971,845
- Issue date Jul 27, 1976
- Bayer Aktiengesellschaft
- Wolf Becker
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3907973
- Patent number 3,907,973
- Issue date Sep 23, 1975
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3887693
- Patent number 3,887,693
- Issue date Jun 3, 1975
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3842161
- Patent number 3,842,161
- Issue date Oct 15, 1974
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3833713
- Patent number 3,833,713
- Issue date Sep 3, 1974
- C01 - INORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
SURFACE-TREATED SILICA FILLER, AND RESIN COMPOSITION CONTAINING SUR...
- Publication number 20190338138
- Publication date Nov 7, 2019
- Namics Corporation
- Ayako SATO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
Process For Preparing Calcium Fluoride From Fluosilicic Acid
- Publication number 20180155207
- Publication date Jun 7, 2018
- OCP SA
- Kamal Samrane
- C01 - INORGANIC CHEMISTRY
Information Patent Application
ELECTRODEPOSITION PROCESS FOR THE MANUFACTURE OF AN ELECTRODE FOR A...
- Publication number 20140170303
- Publication date Jun 19, 2014
- NEXEON LIMITED
- Phil Rayner
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Application
Process for the preparation of pure silica
- Publication number 20050106091
- Publication date May 19, 2005
- Lev Shapira
- C01 - INORGANIC CHEMISTRY

from or via fluosilicic acid or salts thereof by a wet process

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for preparing calcium fluoride from fluosilicic acid

High purity synthetic fluorite, process for preparing the same and...

Surface-treated silica filler, and resin composition containing sur...

Process for the preparation of pure silica

Process for producing high-purity silica by reacting crude silica w...

Process for producing high-purity silica by reacting crude silica w...

Silica particles and process for producing the same

Method of production of high purity silica and ammonium fluoride

Method of production of high purity fusible silica

Method of production of high purity silica and ammonium fluoride

Production of silica and fluorine-containing coproducts from fluosi...

Process for the production of soluble alkali silicates

Recovery of fluorine from waste gases

Method for producing silica

Method for manufacturing boron-free silicon dioxide

Process for preparing pure silicon dioxide having high mechanical s...

Process for the preparation of pure silicon dioxide and silicon dio...

Production of alkali metal products from alkali metal fluosilicate

Process for producing fluorine compounds and amorphous silica

Recovery of hydrofluoric acid from fluosilicic acid

Recovery of hydrofluoric acid from fluosilicic acid with high pH hy...

Recovery of hydrofluoric acid from fluosilicic acid with high pH hy...

Process for producing sodium fluoride from sodium silicofluoride

Ammonium fluoride process for defluorinating phosphoric acids and p...

Process for the production of ammonium fluoride from fluosilicic acid

Recovery of hydrofluoric acid from aqueous fluosilicic acid

3907973

3887693

3842161

3833713

Patents Applicationslast 30 patents

SURFACE-TREATED SILICA FILLER, AND RESIN COMPOSITION CONTAINING SUR...

Process For Preparing Calcium Fluoride From Fluosilicic Acid

ELECTRODEPOSITION PROCESS FOR THE MANUFACTURE OF AN ELECTRODE FOR A...

Process for the preparation of pure silica