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Inventor

HAZEN WAYNE C

US12 patents
⚠️ This page may combine multiple inventors who share the name “HAZEN WAYNE C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

ENVIRONMENTAL PROJECTS INC

5 patents
US5736113AApr 7, 1998

Method for beneficiation of trona

ENVIRONMENTAL PROJECTS INC18 citations91
US5911959AJun 15, 1999

Method for purification and production of saline minerals from trona

ENVIRONMENTAL PROJECTS INC24 citations89
US6479025B2Nov 12, 2002

Process for the production of sodium carbonate

ENVIRONMENTAL PROJECTS INC15 citations82
US6464736B1Oct 15, 2002

Recrystallization process

ENVIRONMENTAL PROJECTS INC7 citations72
US6284005B1Sep 4, 2001

Sodium carbonate recrystallization

ENVIRONMENTAL PROJECTS INC7 citations70

HAZEN RESEARCH

3 patents
US5544859AAug 13, 1996

Apparatus and method for inhibiting the leaching of lead in water

HAZEN RESEARCH31 citations92
US5660735AAug 26, 1997

Method for removing metals from waste solutions

HAZEN RESEARCH30 citations91
US5536416AJul 16, 1996

Method for removing metals from a solution

HAZEN RESEARCH17 citations81

TECHNOLOGY MANAGEMENT ADVISORS

2 patents
US6013382AJan 11, 2000

Apparatus and method for inhibiting the leaching of lead in water

TECHNOLOGY MANAGEMENT ADVISORS44 citations90
US5632825AMay 27, 1997

Apparatus and method for inhibiting the leaching of lead in water

TECHNOLOGY MANAGEMENT ADVISORS10 citations71

RESOURCE TECHN ASS

1 patent
US4606764AAug 19, 1986

Method of recovering metals from ores using a formate reducing agent

RESOURCE TECHN ASS16 citations73

CYPRUS METALLURG PROCESS

1 patent
US4192676AMar 11, 1980

High temperature reduction of copper salts

CYPRUS METALLURG PROCESS3 citations61