Richard Donald Witham

Person

Boulder City, NV, US

People

Patents Grantslast 30 patents

Information Patent Grant
Water purification device for arsenic removal
- Patent number 8,475,658
- Issue date Jul 2, 2013
- Molycorp Minerals, LLC
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Single phase yttrium phosphate having the xenotime crystal structur...
- Patent number 8,425,871
- Issue date Apr 23, 2013
- Corning Incorporated
- Sandra Lee Gray
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Composition for removing arsenic from aqueous streams
- Patent number 7,686,976
- Issue date Mar 30, 2010
- Molycorp Minerals, LLC
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process using rare earths to remove oxyanions from aqueous streams
- Patent number 7,338,603
- Issue date Mar 4, 2008
- Molycorp, Inc.
- Edward Bayer McNew
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for removing arsenic from aqueous streams
- Patent number 7,300,589
- Issue date Nov 27, 2007
- Union Oil Company of California
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for removing arsenic from drinking water
- Patent number 7,048,853
- Issue date May 23, 2006
- Union Oil Company of California
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for removing arsenic from aqueous streams
- Patent number 6,863,825
- Issue date Mar 8, 2005
- Union Oil Company of California
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
SINGLE PHASE YTTRIUM PHOSPHATE HAVING THE XENOTIME CRYSTAL STRUCTUR...
- Publication number 20140011662
- Publication date Jan 9, 2014
- Corning Incorporated
- Sandra Lee Gray
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Process for removing and sequestering contaminants from aqueous str...
- Publication number 20100187178
- Publication date Jul 29, 2010
- MOLYCORP MINERALS, LLC
- John Leslie Burba
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING C...
- Publication number 20100168498
- Publication date Jul 1, 2010
- MOLYCORP MINERALS, LLC
- John L. Burba, III
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
WATER PURIFICATION DEVICE FOR ARSENIC REMOVAL
- Publication number 20100044317
- Publication date Feb 25, 2010
- MOLYCORP MINERALS, LLC
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING C...
- Publication number 20090107919
- Publication date Apr 30, 2009
- Chevron U.S.A. Inc.
- John L. Burba, III
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
COMPOSITION FOR REMOVING ARSENIC FROM AQUEOUS STREAMS
- Publication number 20080093580
- Publication date Apr 24, 2008
- Union Oil Company of California DBA Unocal
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Composition and process for removing arsenic from aqueous streams
- Publication number 20060207945
- Publication date Sep 21, 2006
- Union Oil Company of California DBA Unocal
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Process for removing arsenic from drinking water
- Publication number 20050133455
- Publication date Jun 23, 2005
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Application
Process for removing arsenic from aqueous streams
- Publication number 20040144729
- Publication date Jul 29, 2004
- Richard Donald Witham
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Richard Donald Witham

Person

Patents Grantslast 30 patents

Water purification device for arsenic removal

Single phase yttrium phosphate having the xenotime crystal structur...

Composition for removing arsenic from aqueous streams

Process using rare earths to remove oxyanions from aqueous streams

Process for removing arsenic from aqueous streams

Process for removing arsenic from drinking water

Process for removing arsenic from aqueous streams

Patents Applicationslast 30 patents

SINGLE PHASE YTTRIUM PHOSPHATE HAVING THE XENOTIME CRYSTAL STRUCTUR...

Process for removing and sequestering contaminants from aqueous str...

APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING C...

WATER PURIFICATION DEVICE FOR ARSENIC REMOVAL

APPARATUS AND PROCESS FOR TREATING AN AQUEOUS SOLUTION CONTAINING C...

COMPOSITION FOR REMOVING ARSENIC FROM AQUEOUS STREAMS

Composition and process for removing arsenic from aqueous streams

Process for removing arsenic from drinking water

Process for removing arsenic from aqueous streams