1
Tze Chao, George H Senkler Jr: Method for purifying TiO.sub.2 ore. E I Du Pont de Nemours and Company, April 30, 1991: US05011666 (13 worldwide citation)

Process for purifying TiO.sub.2 ore consisting essentially of subjecting the ore to two or more leaching treatments, said leaching treatments alternating between use of an aqueous solution of a mineral acid and an aqueous solution of an alkali metal compound selected from the group consisting essent ...


2
Tze Chao, George H Senkler Jr: Method for purifying TiO.sub.2 ore by alternate leaching with an aqueous solution of an alkali metal compound and an aqueous solution of mineral acid. E I Du Pont de Nemours and Company, David J Gould, February 4, 1992: US05085837 (10 worldwide citation)

Process for purifying TiO.sub.2 ore consisting essentially of subjecting the ore to two or more leaching treatments, said leaching treatments alternating between use of an aqueous solution of a mineral acid and an aqueous solution of an alkali metal compound selected from the group consisting essent ...


3
Tze Chao: Method for purifying TiO.sub.2 ore. E I du Pont de Nemours and Company, Robert B Stevenson, January 26, 1993: US05181956 (8 worldwide citation)

Process for beneficiating titanium bearing ore selected from the group consisting essentially of titaniferous ores, leucoxene, rutile, perovskite, and sphene comprising:


4
Tze Chao, Jack K Nyquist: Landfillable composition from iron chloride waste treatment in molten salt. E I Du Pont de Nemours and Company, Craig H Evans, April 7, 1987: US04655839 (6 worldwide citation)

A solid, water impervious landfillable composition of a process for treating iron chloride wastes such as those obtained when chlorinating titanium ore is disclosed. The process involves reacting the iron chlorides with limestone in molten CaCl.sub.2.xH.sub.2 O, where x equals 3-6. The composition c ...


5
Tze Chao, Jack K Nyquist: Iron chloride waste treatment in molten salt. E I Du Pont de Nemours and Company, July 30, 1985: US04532113 (5 worldwide citation)

A process for treating iron chloride wastes such as those obtained when chlorinating titanium ore is disclosed. The process involves reacting the iron chlorides with limestone in molten CaCl.sub.2.xH.sub.2 O, where x equals 3-6 and separating the resulting iron oxide from the molten CaCl.sub.2.xH.su ...


6
Foster W Rennie, Tze Chao, Donald H Eastham, James V Tarbell: Continuous ore reaction process by fluidizing. E I Du Pont de Nemours and Company, February 13, 1996: US05490976 (2 worldwide citation)

In a continuous process for reacting particulate ore with a liquid reagent in a counter-current vertical column the improvement comprising:


7
Christopher Tze Chao Koh, Thomas Robert Newman, Kent Arthur Whitney: Low profile quasi-optic phased array antenna. Millitech, Finnegan Henderson Farabow Garrett & Dunner, March 13, 2012: US08134511 (2 worldwide citation)

A phased array antenna device is described. The phased array antenna device includes at least one one-dimensional phased array of radiating elements arranged along an array direction, a lens, and a phase control element. The lens is arranged such that divergent beams from the radiating elements are ...


8
Christopher Tze Chao KOH, Thomas Robert NEWMAN, Kent Arthur WHITNEY: Low profile quasi-optic phased array antenna. Smiths Specialty Engineering, Foley And Lardner, November 13, 2008: US20080278394-A1

A phased array antenna device is described. The phased array antenna device includes at least one one-dimensional phased array of radiating elements arranged along an array direction, a lens, and a phase control element. The lens is arranged such that divergent beams from the radiating elements are ...


9
Charles Tze Chao Ng, Thuan Luyen Le, Saibal Bhattacharya, Rob Parkin, Paritosh Desai: System and Methods for Pricing Markdown with Model Refresh and Reoptimization. Kang Lim, December 31, 2009: US20090327037-A1

A system and method for tuning markdown plans is provided. Such a system and method may include configuring initial rule set. Initial Demand models are generated. A first optimization for inventory pricing may be received from the price optimization system. The first optimization uses the initial de ...


10
NG CHARLES TZE CHAO: System and methods for pricing markdown with model refresh and reoptimization. DEMANDTEC, Lim Kang S, April 8, 2010: WO/2010/039407

A system and method for tuning markdown plans is provided. Such a system and method may include configuring initial rule set. Initial Demand models are generated. A first optimization for inventory pricing may be received from the price optimization system. The first optimization uses the initial de ...