Edward I. Wiewiorowski

Person

New Orleans, LA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Reclaiming of aluminum-chromium waste materials from etching operat...
- Patent number 4,954,168
- Issue date Sep 4, 1990
- Amax Inc.
- Ranko Crnojevich
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Cyclic process for recovering metal values and alumina from spent c...
- Patent number 4,670,229
- Issue date Jun 2, 1987
- Amax Inc.
- Edward I. Wiewiorowski
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Selective extraction of molybdenum and vanadium from spent catalyst...
- Patent number 4,666,685
- Issue date May 19, 1987
- Amax Inc.
- Edward I. Wiewiorowski
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Removal of hexavalent selenium from nickel, cobalt or copper sulfat...
- Patent number 4,544,541
- Issue date Oct 1, 1985
- Amax Inc.
- Eddie C. Chou
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Production of metals with low selenium contents
- Patent number 4,497,659
- Issue date Feb 5, 1985
- Amax Inc.
- Ranko Crnojevich
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of nonferrous metals with low selenium contents
- Patent number 4,214,900
- Issue date Jul 29, 1980
- Amax Inc.
- Ranko Crnojevich
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Cathodic dissolution of cobaltic hydroxide
- Patent number 4,175,014
- Issue date Nov 20, 1979
- Amax Inc.
- Ranko Crnojevich
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Dissolution of cobaltic hydroxide with organic reductant
- Patent number 4,151,258
- Issue date Apr 24, 1979
- Amax Inc.
- Ranko Crnojevich
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Purification of nickel and cobalt metal powders by a caustic wash
- Patent number 4,149,875
- Issue date Apr 17, 1979
- Amax Inc.
- Ranko Crnojevich
- B22 - CASTING POWDER METALLURGY

Edward I. Wiewiorowski

Person

Patents Grantslast 30 patents

Reclaiming of aluminum-chromium waste materials from etching operat...

Cyclic process for recovering metal values and alumina from spent c...

Selective extraction of molybdenum and vanadium from spent catalyst...

Removal of hexavalent selenium from nickel, cobalt or copper sulfat...

Production of metals with low selenium contents

Production of nonferrous metals with low selenium contents

Cathodic dissolution of cobaltic hydroxide

Dissolution of cobaltic hydroxide with organic reductant

Purification of nickel and cobalt metal powders by a caustic wash