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Lewis B. Benson
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Louisville, KY, US
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last 30 patents
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Patent Grant
Process for desulfurizing a sulfur-dioxide containing gas
Patent number
6,099,816
Issue date
Aug 8, 2000
Dravo Lime, Inc.
John W. College
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Sulfur dioxide removal from gases using a modified lime
Patent number
5,310,498
Issue date
May 10, 1994
Dravo Lime Company
Yungli J. Lee
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Sulfur dioxide scrubbing process producing purified magnesium hydro...
Patent number
5,270,026
Issue date
Dec 14, 1993
Dravo Lime Company
John W. College
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Process for removing sulfur dioxide and nitrogen oxides from flue g...
Patent number
5,200,160
Issue date
Apr 6, 1993
Dravo Lime Company
Lewis B. Benson
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Sulfur dioxide removal process with gypsum and magnesium hydroxide...
Patent number
5,084,255
Issue date
Jan 28, 1992
Dravco Lime Company
John W. College
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Sulfur dioxide removal from gases using a modified lime
Patent number
5,082,639
Issue date
Jan 21, 1992
Dravo Lime Company
Yungli J. Lee
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information
Patent Grant
Process for removing sulfur dioxide from flue gases
Patent number
4,996,032
Issue date
Feb 26, 1991
Dravo Lime Company
Donald H. Stowe
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Sulfur dioxide removal from flue gases with sulfite oxidation inhib...
Patent number
4,976,937
Issue date
Dec 11, 1990
Dravo Lime Company
Yungli J. Lee
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Flue gas desulfurization with oxidation of calcium sulfite in FGD d...
Patent number
4,976,936
Issue date
Dec 11, 1990
Dravo Lime Company
Ronald J. Rathi
C01 - INORGANIC CHEMISTRY