Dean A. Van Leirsburg

Person

Oklahoma City, OK, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for regenerating sulfur contaminated reforming catalysts
- Patent number RE34250
- Issue date May 11, 1993
- Chevron Research and Technology Company
- Dean A. Van Leirsburg
- 502 - Catalyst, solid sorbent, or support therefor: product or process of making
Information Patent Grant
Process for regenerating sulfur contaminated reforming catalysts
- Patent number 4,851,380
- Issue date Jul 25, 1989
- Chevron Research Company
- Dean A. Van Leirsburg
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Stripping a solution containing molybdenum, tungsten and/or vanadiu...
- Patent number 4,515,757
- Issue date May 7, 1985
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of cobalt, molybdenum, nickel, tungsten and vanadium from...
- Patent number 4,514,369
- Issue date Apr 30, 1985
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovering metals from spent hydroprocessing catalysts
- Patent number 4,500,495
- Issue date Feb 19, 1985
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of cobalt, molybdenum, nickel and vanadium from an aqueous...
- Patent number 4,442,074
- Issue date Apr 10, 1984
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of cobalt, molybdenum, nickel and vanadium from an aqueous...
- Patent number 4,434,141
- Issue date Feb 28, 1984
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Stripping a solution containing molybdenum and vanadium values
- Patent number 4,434,140
- Issue date Feb 28, 1984
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of cobalt, molybdenum, nickel and vanadium from an aqueous...
- Patent number 4,432,949
- Issue date Feb 21, 1984
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Leaching cobalt from spent hydroprocessing catalysts with sulfur di...
- Patent number 4,432,953
- Issue date Feb 21, 1984
- Chevron Research Company
- Gale L. Hubred
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Extracting cobalt from spent hydroprocessing catalysts with cyanide
- Patent number 4,409,190
- Issue date Oct 11, 1983
- Chevron Research Company
- Dean A. Van Leirsburg
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Dean A. Van Leirsburg

Person

Patents Grantslast 30 patents

Process for regenerating sulfur contaminated reforming catalysts

Process for regenerating sulfur contaminated reforming catalysts

Stripping a solution containing molybdenum, tungsten and/or vanadiu...

Recovery of cobalt, molybdenum, nickel, tungsten and vanadium from...

Recovering metals from spent hydroprocessing catalysts

Recovery of cobalt, molybdenum, nickel and vanadium from an aqueous...

Recovery of cobalt, molybdenum, nickel and vanadium from an aqueous...

Stripping a solution containing molybdenum and vanadium values

Recovery of cobalt, molybdenum, nickel and vanadium from an aqueous...

Leaching cobalt from spent hydroprocessing catalysts with sulfur di...

Extracting cobalt from spent hydroprocessing catalysts with cyanide