using aromatic amines

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Patents Grantslast 30 patents

Information Patent Grant
Lipophilic guanidinium compounds for removal of oxyanions from aque...
- Patent number 11,001,554
- Issue date May 11, 2021
- UT-Battelle, LLC
- Neil J. Williams
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Method for removing impurities from solvent extraction solutions
- Patent number 6,951,960
- Issue date Oct 4, 2005
- Inco Limited
- Jean-Jacques Robert Perraud
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Solvent extraction of copper values using dihydroxy azoarenes
- Patent number 4,003,975
- Issue date Jan 18, 1977
- Union Carbide Corporation
- John Frank Tancredi
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the manufacture of potassium phosphates
- Patent number 3,993,729
- Issue date Nov 23, 1976
- Dead Sea Works Ltd.
- Joseph Epstein
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removing nitrates with an organic amine salt and ion exchange
- Patent number 3,983,222
- Issue date Sep 28, 1976
- Kemira Oy
- Timo Kalevi Lehto
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
3145235
- Patent number 3,145,235
- Issue date Aug 18, 1964
- C07 - ORGANIC CHEMISTRY