Anhydrite processes

Industry

CPC
C01B25/2235

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Parent Industries

CCHEMISTRY METALLURGY C01Inorganic chemistry C01BNON-METALLIC ELEMENTS COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C C01B25/00Phosphorus Compounds thereof

Current Industry

C01B25/2235Anhydrite processes

Industries

Patents Grantslast 30 patents

Information Patent Grant
Crystal modification in wet process phosphoric acid production
- Patent number 5,009,873
- Issue date Apr 23, 1991
- Nalco Chemical Company
- E. Michael Kerr
- 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
Phosphoanhydrite process
- Patent number 4,452,770
- Issue date Jun 5, 1984
- United States Gypsum Company
- Jay W. Palmer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus useful for wet process phosphoric acid production
- Patent number 4,260,584
- Issue date Apr 7, 1981
- Occidental Petroleum Corporation
- Fernando Ore
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for preventing the formation of calcium sulphate scale
- Patent number 4,221,769
- Issue date Sep 9, 1980
- Fisons Limited
- Douglas C. Harper
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of preventing gypsum scale formation in phosphoric acid plan...
- Patent number 3,972,981
- Issue date Aug 3, 1976
- Fisons Limited
- Douglas Charles Harper
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
3792151
- Patent number 3,792,151
- Issue date Feb 12, 1974
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
3619136
- Patent number 3,619,136
- Issue date Nov 9, 1971
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2710247
- Patent number 2,710,247
- Issue date Jun 7, 1955
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
2338407
- Patent number 2,338,407
- Issue date Jan 4, 1944
- C01 - INORGANIC CHEMISTRY

Anhydrite processes

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Crystal modification in wet process phosphoric acid production

Method for the wet process manufacture of phosphoric acid

Phosphoanhydrite process

Apparatus useful for wet process phosphoric acid production

Process for preventing the formation of calcium sulphate scale

Method of preventing gypsum scale formation in phosphoric acid plan...

3792151

3619136

2710247

2338407