William C. Copenhafer

Person

People

Patents Grantslast 30 patents

Information Patent Grant
Selective removal of sulfide from aqueous alkali solutions
- Patent number 8,858,902
- Issue date Oct 14, 2014
- FMC Wyoming Corporation
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Selective removal of sulfide from aqueous alkali solutions
- Patent number 8,454,840
- Issue date Jun 4, 2013
- FMC Wyoming Corporation
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Flue gas desulfurization process utilizing hydrogen peroxide
- Patent number 7,998,446
- Issue date Aug 16, 2011
- FMC Corporation
- Henry A. Pfeffer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of sodium sesquicarbonate and sodium carbonate monohydrate
- Patent number 7,638,109
- Issue date Dec 29, 2009
- FMC Corporation
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Crystallization of sodium carbonate decahydrate from liquors supers...
- Patent number 7,018,594
- Issue date Mar 28, 2006
- FMC Wyoming Corporation
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Bicarbonate conversion in a carbonate monohydrate process
- Patent number 6,576,206
- Issue date Jun 10, 2003
- FMC Wyoming Corporation
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Production of feed liquors for sodium carbonate crystallization pro...
- Patent number 6,428,759
- Issue date Aug 6, 2002
- FMC Wyoming Corporation
- David E. Smith
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for the production of sodium carbonate crystals
- Patent number 6,228,335
- Issue date May 8, 2001
- FMC Wyoming Corporation
- William C. Copenhafer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method of reducing the formation of scale in the production of soda...
- Patent number 6,022,516
- Issue date Feb 8, 2000
- FMC Corporation
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for producing sodium salts from brines of sodium ores
- Patent number 5,283,054
- Issue date Feb 1, 1994
- FMC Corporation
- William C. Copenhafer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Process for producing sodium salts from brines of sodium ores
- Patent number 5,262,134
- Issue date Nov 16, 1993
- FMC Corporation
- William R. Frint
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Peroxygen laundry bleach
- Patent number 5,194,176
- Issue date Mar 16, 1993
- FMC Corporation
- William Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Hydrometallurgical process for the production of beryllium
- Patent number 4,729,881
- Issue date Mar 8, 1988
- FMC Corporation
- William C. Copenhafer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Production of sodium bicarbonate by reversion of soda-type feed salt
- Patent number 4,654,204
- Issue date Mar 31, 1987
- Intermountain Research and Development Corporation
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Solution mining of trona or nahcolite ore with electrodialytically-...
- Patent number 4,652,054
- Issue date Mar 24, 1987
- Intermountain Research and Development Corporation
- William C. Copenhafer
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Dry injection flue gas desulfurization process using absorptive sod...
- Patent number 4,588,569
- Issue date May 13, 1986
- Intermountain Research and Development Corporation
- Michael J. Cyran
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Enhanced recovery of soda ash from aqueous sodium carbonate solutio...
- Patent number 4,519,806
- Issue date May 28, 1985
- Intermountain Research and Development Corp.
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Enhanced recovery of sodium carbonate from NaCl-containing sodium c...
- Patent number 4,288,419
- Issue date Sep 8, 1981
- Intermountain Research & Develop. Corp.
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of alkali values from sodium bicarbonate-containing ore wi...
- Patent number 4,283,372
- Issue date Aug 11, 1981
- Intermountain Research and Devel. Corp.
- William R. Frint
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Flue Gas Treatment Process
- Publication number 20150368051
- Publication date Dec 24, 2015
- Natronx Technologies, LLC
- William Copenhafer
- B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information Patent Application
Selective Removal of Sulfide from Aqueous Alkali Solutions
- Publication number 20130248462
- Publication date Sep 26, 2013
- FMC Wyoming Corporation
- William C. Copenhafer
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
COMBUSTION FLUE GAS SOx TREATMENT VIA DRY SORBENT INJECTION
- Publication number 20110014106
- Publication date Jan 20, 2011
- FMC Corporation
- Henry A. Pfeffer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Dilute Stabilized Peracetic Acid Production and Treatment Process
- Publication number 20090043123
- Publication date Feb 12, 2009
- FMC Corporation
- William C. Copenhafer
- A01 - AGRICULTURE FORESTRY ANIMAL HUSBANDRY HUNTING TRAPPING FISHING
Information Patent Application
Flue Gas Desulfurization Process Utilizing Hydrogen Peroxide
- Publication number 20080264250
- Publication date Oct 30, 2008
- FMC Corporation
- Henry A. Pfeffer
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Production of sodium sesquicarbonate and sodium carbonate monohydrate
- Publication number 20070140945
- Publication date Jun 21, 2007
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Crystallization of sodium carbonate decahydrate from liquors supers...
- Publication number 20030095912
- Publication date May 22, 2003
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Bicarbonate conversion in a carbonate monohydrate process
- Publication number 20030007923
- Publication date Jan 9, 2003
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the recovery of soda ash
- Publication number 20020054842
- Publication date May 9, 2002
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for the recovery of soda ash
- Publication number 20020009409
- Publication date Jan 24, 2002
- William C. Copenhafer
- C01 - INORGANIC CHEMISTRY

William C. Copenhafer

Person

Patents Grantslast 30 patents

Selective removal of sulfide from aqueous alkali solutions

Selective removal of sulfide from aqueous alkali solutions

Flue gas desulfurization process utilizing hydrogen peroxide

Production of sodium sesquicarbonate and sodium carbonate monohydrate

Crystallization of sodium carbonate decahydrate from liquors supers...

Bicarbonate conversion in a carbonate monohydrate process

Production of feed liquors for sodium carbonate crystallization pro...

Process for the production of sodium carbonate crystals

Method of reducing the formation of scale in the production of soda...

Process for producing sodium salts from brines of sodium ores

Process for producing sodium salts from brines of sodium ores

Peroxygen laundry bleach

Hydrometallurgical process for the production of beryllium

Production of sodium bicarbonate by reversion of soda-type feed salt

Solution mining of trona or nahcolite ore with electrodialytically-...

Dry injection flue gas desulfurization process using absorptive sod...

Enhanced recovery of soda ash from aqueous sodium carbonate solutio...

Enhanced recovery of sodium carbonate from NaCl-containing sodium c...

Recovery of alkali values from sodium bicarbonate-containing ore wi...

Patents Applicationslast 30 patents

Flue Gas Treatment Process

Selective Removal of Sulfide from Aqueous Alkali Solutions

COMBUSTION FLUE GAS SOx TREATMENT VIA DRY SORBENT INJECTION

Dilute Stabilized Peracetic Acid Production and Treatment Process

Flue Gas Desulfurization Process Utilizing Hydrogen Peroxide

Production of sodium sesquicarbonate and sodium carbonate monohydrate

Crystallization of sodium carbonate decahydrate from liquors supers...

Bicarbonate conversion in a carbonate monohydrate process

Process for the recovery of soda ash

Process for the recovery of soda ash