Pure alkali metal polyphosphates from impure starting materials

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CPC
C01B25/416

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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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C01B25/416Pure alkali metal polyphosphates from impure starting materials

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Patents Grantslast 30 patents

Information Patent Grant
Process for working up dusts which are produced in the electrotherm...
- Patent number 4,904,459
- Issue date Feb 27, 1990
- Hoechst Aktiengesellschaft
- Friedrich Kolkmann
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Manufacture of sodium tripolyphosphate from wet acid
- Patent number 4,676,963
- Issue date Jun 30, 1987
- FMC Corporation
- Nirmal K. Khanna
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sodium tripolyphosphate manufacture
- Patent number 4,590,051
- Issue date May 20, 1986
- FMC Corporation
- Lawrence A. Shimp
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for making sodium tripolyphosphate from wet process phospho...
- Patent number 4,251,491
- Issue date Feb 17, 1981
- Olin Corporation
- Stanley A. Ficner
- C01 - INORGANIC CHEMISTRY
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
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
Process for the joint production of sodium tripolyphosphate and tit...
- Patent number 4,005,175
- Issue date Jan 25, 1977
- Societa'Italiana Resine S.I.R. S.p.A.
- Benedetto Calcagno
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
3574534
- Patent number 3,574,534
- Issue date Apr 13, 1971
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3438725
- Patent number 3,438,725
- Issue date Apr 15, 1969
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3433585
- Patent number 3,433,585
- Issue date Mar 18, 1969
- C01 - INORGANIC CHEMISTRY

Pure alkali metal polyphosphates from impure starting materials

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Process for working up dusts which are produced in the electrotherm...

Manufacture of sodium tripolyphosphate from wet acid

Sodium tripolyphosphate manufacture

Process for making sodium tripolyphosphate from wet process phospho...

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

Preparation of sodium tripolyphosphate

Process for the joint production of sodium tripolyphosphate and tit...

3574534

3438725

3433585

Patents Applicationslast 30 patents