Wayne W. Hazen

Person

Denver, CO, US

People

Patents Grantslast 30 patents

Information Patent Grant
Process for the production of sodium carbonate
- Patent number 6,479,025
- Issue date Nov 12, 2002
- Environmental Projects, Inc.
- Dale Lee Denham
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recrystallization process
- Patent number 6,464,736
- Issue date Oct 15, 2002
- Environmental Projects, Inc.
- Wayne C. Hazen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Sodium carbonate recrystallization
- Patent number 6,284,005
- Issue date Sep 4, 2001
- Environmental Projects, Inc.
- Wayne C. Hazen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Apparatus and method for inhibiting the leaching of lead in water
- Patent number 6,013,382
- Issue date Jan 11, 2000
- Technology Management Advisors LLC
- Enzo L. Coltrinari
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for purification and production of saline minerals from trona
- Patent number 5,911,959
- Issue date Jun 15, 1999
- Environmental Projects, Inc.
- John S. Wold
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for beneficiation of trona
- Patent number 5,736,113
- Issue date Apr 7, 1998
- Environmental Projects, Inc.
- Wayne C. Hazen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Method for removing metals from waste solutions
- Patent number 5,660,735
- Issue date Aug 26, 1997
- Hazen Research, Inc.
- Enzo Coltrinari
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus and method for inhibiting the leaching of lead in water
- Patent number 5,632,825
- Issue date May 27, 1997
- Technology Management Advisors LLC
- Enzo L. Coltrinari
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Apparatus and method for inhibiting the leaching of lead in water
- Patent number 5,544,859
- Issue date Aug 13, 1996
- Hazen Research, Inc.
- Enzo L. Coltrinari
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for removing metals from a solution
- Patent number 5,536,416
- Issue date Jul 16, 1996
- Hazen Research, Inc.
- Enzo Coltrinari
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Recovery of alumina values from alunite ore
- Patent number 4,618,480
- Issue date Oct 21, 1986
- Resource Technology Associates
- Wayne W. Hazen
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of recovering metals from ores using a formate reducing agent
- Patent number 4,606,764
- Issue date Aug 19, 1986
- Resource Technology Associates
- Wayne C. Hazen
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
High temperature reduction of copper salts
- Patent number 4,192,676
- Issue date Mar 11, 1980
- Cyprus Metallurgical Processes Corporation
- James E. Reynolds
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...

Patents Applicationslast 30 patents

Information Patent Application
Calcining apparatus and process of use
- Publication number 20030215379
- Publication date Nov 20, 2003
- Environmental Projects, Inc.
- Dale Lee Denham
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Calcining apparatus and process of use
- Publication number 20030091486
- Publication date May 15, 2003
- Environmental Projects, Inc.
- Dale Lee Denham
- C01 - INORGANIC CHEMISTRY
Information Patent Application
Sodium carbonate recrystallization
- Publication number 20030084547
- Publication date May 8, 2003
- Environmental Projects, Inc.
- Wayne C. Hazen
- C01 - INORGANIC CHEMISTRY
Information Patent Application
METHOD OF REDUCING EMISSIONS DURING CALCINING
- Publication number 20010007650
- Publication date Jul 12, 2001
- DALE LEE DENHAM, JR.
- C01 - INORGANIC CHEMISTRY

Wayne W. Hazen

Person

Patents Grantslast 30 patents

Process for the production of sodium carbonate

Recrystallization process

Sodium carbonate recrystallization

Apparatus and method for inhibiting the leaching of lead in water

Method for purification and production of saline minerals from trona

Method for beneficiation of trona

Method for removing metals from waste solutions

Apparatus and method for inhibiting the leaching of lead in water

Apparatus and method for inhibiting the leaching of lead in water

Method for removing metals from a solution

Recovery of alumina values from alunite ore

Method of recovering metals from ores using a formate reducing agent

High temperature reduction of copper salts

Patents Applicationslast 30 patents

Calcining apparatus and process of use

Calcining apparatus and process of use

Sodium carbonate recrystallization

METHOD OF REDUCING EMISSIONS DURING CALCINING