1
Jacques Monnier, Guy Tourigny, Douglas W Soveran, Alfred Wong, Edmund N Hogan, Mark Stumborg: Conversion of biomass feedstock to diesel fuel additive. Natural Resources Canada, January 6, 1998: US05705722 (154 worldwide citation)

A process is described for producing additives for diesel fuels having high cetane numbers and serving as fuel ignition improvers. In the process, biomass feedstock selected from (a) tall oil containing less than 0.5 wt % ash, less than 25 wt % unsaponifiables, up to 50 wt % diterpenic acids and 30 ...


2
Alfred Wong, Steven Prahacs, Joseph Dorica: Treatment of pulp mill effluents. Pulp and Paper Research Institute of Canada, Millen & White, February 15, 1977: US04008161 (22 worldwide citation)

A multi-step method is provided for the purification of waste water, especially pulp mill effluents. It comprises a number of steps carried out in a specific sequence. The first step involves passing an oxygen-containing gas through the waste water while the waste water is in intimate contact with a ...


3
Xiaoming Yin, Tim Wiltshire, Alfred Wong, Don Wheeler: Overlay alignment system using polarization schemes. Infineon Technologies, International Business Machines Corporation, Stanton Braden, February 25, 2003: US06525818 (18 worldwide citation)

An optical alignment system used in the manufacture of semiconductor integrated circuits determines and adjusts the alignment between features which have been formed on a semiconductor wafer and features on a mask which is being projected onto the semiconductor wafer. Light which illuminates the sem ...


4
Jiujun Zhang, Kevin M Colbow, Alfred Wong, Bruce Lin: Indirect measurement of fuel concentration in a liquid feed fuel cell. Ballard Power Systems, McAndrews Held & Malloy, March 2, 2004: US06698278 (9 worldwide citation)

In an operating liquid feed fuel cell system, fuel concentration in the fuel stream can be calculated as a function of the observed current, the temperature of the fuel stream entering the fuel cell stack, and the temperature of the fuel cell stack itself, thereby eliminating the need for a separate ...


5
Boguslaw Wozniczka, Jake de Vaal, Alfred Wong: Integrated seal for fuel cell assembly and fuel cell stack. Daimler, Ford Motor Company, Patent Central, Stephan A Pendorf, March 29, 2011: US07914943 (3 worldwide citation)

A solid polymer fuel cell comprising a membrane electrode assembly that is in adhesive contact with a first flow field plate around the circumferential edge of the membrane electrode assembly and in non-adhesive contact with a second flow field plate, and an elastomeric manifold seal member that cir ...


6
Emre Tuncer, Hui Zheng, Vivek Raghavan, Anirudh Devgan, Amir Ajami, Alessandra Nardi, Tao Lin, Pramod Thazhathethil, Alfred Wong: Lithography aware leakage analysis. Synopsys, Kilpatrick Townsend & Stockton, October 29, 2013: US08572523 (2 worldwide citation)

A method for performing leakage analysis includes receiving information specifying an integrated circuit. A neighborhood of shapes associated with the integrated circuit is then determined. Leakage information associated with the integrated circuit is generated based on the neighborhood of shapes. T ...


7
Alfred Wong, Gary D Derdall: Process for preparation of potassium salts from pulp of lignocellulosic materials. Potash Corporation of Saskatchewan, John P White, April 5, 1988: US04735683 (1 worldwide citation)

Described herein is a process for producing potassium salts from potassium-based liquors for pulping of lignocellulosic material. The process comprises the steps of


8
Emre Tuncer, Hui Zheng, Vivek Raghavan, Anirudh Devgan, Amir Ajami, Alessandra Nardi, Tao Lin, Pramod Thazhathethil, Alfred Wong: Lithography aware timing analysis. Synopsys, Kilpatrick Townsend & Stockton, June 25, 2013: US08473876 (1 worldwide citation)

A method for performing timing analysis includes receiving information specifying an integrated circuit. A neighborhood of shapes associated with the integrated circuit is then determined. Delay information associated with the integrated circuit is generated based on the neighborhood of shapes. The ...


9
Anirudh Devgan, Roderick Metcalfe, Vivek Raghavan, Alfred Wong: Lithographically optimized placement tool. Magma Design Automation, Townsend & Townsend & Crew, October 7, 2008: US07434188 (1 worldwide citation)

A system and a method are disclosed for integrating the results of lithographic simulation into the physical synthesis process. The effects of lithographic variation are considered when selecting a cell from among a group of cells having equivalent function. Circuit design elements are placed and ro ...


10
Alfred Wong, Hugh Sven Oscar Norman, Angus Kirke MacMillan: Method for the preparation of phytosterols from tall oil pitch. Pharmachem Laboratories, Andrew D Gerschutz, Michael G Johnston, Moore & Van Allen PLLC, December 25, 2012: US08338564 (1 worldwide citation)

A method of preparing phytosterols from tall oil pitch containing steryl esters comprises the steps of converting the steryl esters to free phytosterols while in the pitch to produce a modified pitch containing the free phytosterols; removing light ends from the modified pitch by evaporation to prod ...



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