Hanceford L. Allen

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Bartow, FL, US

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Patents Grantslast 30 patents

Information Patent Grant
Regeneration of activated carbon
- Patent number 4,407,725
- Issue date Oct 4, 1983
- International Minerals & Chemical Corp.
- Hanceford L. Allen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Purification of phosphoric acid
- Patent number 4,341,638
- Issue date Jul 27, 1982
- International Minerals & Chemical Corp.
- William W. Berry
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method for solvent extraction of metallic mineral values from acidi...
- Patent number 4,278,640
- Issue date Jul 14, 1981
- International Minerals & Chemical Corporation
- Hanceford L. Allen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Purification of phosphoric acid
- Patent number 4,256,570
- Issue date Mar 17, 1981
- International Minerals & Chemical Corporation
- Hanceford L. Allen
- C01 - INORGANIC CHEMISTRY