1
Lee J Howard, Howard C Rowles: Low pressure process for C.sub.3.sup.+ liquids recovery from process product gas. Air Products and Chemicals, Willard Jones II, James C Simmons, William F Marsh, March 29, 1988: US04734115 (209 worldwide citation)

The invention provides a liquids recovery process useful for the separation and recovery of C.sub.3.sup.+ liquid hydrocarbons from gas mixtures containing high concentrations of lighter components such as are produced by the dehydrogenation of liquefied petroleum gases or by the catalytic cracking o ...


2
Wayne T McDermott, Richard C Ockovic, Jin J Wu, Douglas W Cooper, Alexander Schwarz, Henry L Wolfe: Surface cleaning using a cryogenic aerosol. Air Products and Chemicals, International Business Machines Corporation, Geoffrey L Chase, James C Simmons, William F Marsh, November 5, 1991: US05062898 (164 worldwide citation)

A method is disclosed for cleaning microelectronics surfaces using an aerosol of at least substantially solid argon particles which impinge upon the surface to be cleaned and then evaporate and the resulting gas is removed by venting along with the contaminants dislodged by the cleaning method.


3
Wayne T McDermott, Richard C Ockovic, Jin J Wu, Douglas W Cooper, Alexander Schwarz, Henry L Wolfe: Surface cleaning using an argon or nitrogen aerosol. Air Products and Chemicals, International Business Machines Corporation, Geoffrey L Chase, James C Simmons, William F Marsh, March 15, 1994: US05294261 (158 worldwide citation)

A method is disclosed for cleaning microelectronic surfaces using an aerosol of at least substantially solid argon or nitrogen particles which impinge upon the surface to be cleaned and then evaporate and the resulting gas is removed by venting along with the contaminants dislodged by the cleaning m ...


4
Wayne T McDermott, Jin J Wu, Richard C Ockovic: Apparatus to clean solid surfaces using a cryogenic aerosol. Air Products and Chemicals, International Business Machines Corporation, Geoffrey L Chase, James C Simmons, William F Marsh, May 11, 1993: US05209028 (156 worldwide citation)

The present invention is an apparatus for cleaning semi-conductor solid surfaces using a spray of frozen cryogen, such as argon, to impinge on the solid surface to remove contaminant particles. The apparatus includes an appropriate nozzle positioned in a housing designed for ultra clean conditions i ...


5
Ta Wang Lai, Bheema R Vijayendran: Acidized fracturing fluids containing high molecular weight poly(vinylamines) for enhanced oil recovery. Air Products and Chemicals, Michael Leach, William F Marsh, James C Simmons, June 27, 1989: US04843118 (144 worldwide citation)

The inverse emulsion polymerization of a monomer of the formula ##STR1## wherein R and R.sup.1 represent hydrogen or a C.sub.1 -C.sub.4 alkyl group, using a surfactant system having a hydrophilic-lipophilic balance value from 4 to 9, an azo-type free radical initiator and certain hydrocarbon liquids ...


6
Mark E Harakal, George J Wasilczyk, Gary D Andrew, Zdizslaw Makus, Michael Scarpati: Water based mold release compositions for making molded polyurethane foam. Air Products and Chemicals, Michael Leach, James C Simmons, William F Marsh, July 2, 1991: US05028366 (118 worldwide citation)

A method for preparing a polyurethane foam article in a mold by applying to a mold surface a water-based mold release composition which includes a release effective system which is in a solid (hardened) state at the mold pour temperature and a liquid state at the demold temperature, pouring a polyur ...


7
Jung S Choe, Steven R Auvil, Rakesh Agrawal: Process for separating components of a gas stream. Air Products and Chemicals, Mark L Rodgers, William F Marsh, James C Simmons, October 20, 1987: US04701187 (107 worldwide citation)

The present invention is a process for separating and recovering a component from a multi-component feed gas mixture. The feed gas mixture is initially separated in a membrane separation unit or units to produce a gas stream concentrated in the desired component. The concentrated gas stream is subse ...


8
Robert M Thorogood, Rajagopalan Srinivasan, Terrence F Yee, Miles P Drake: Composite mixed conductor membranes for producing oxygen. Air Products and Chemicals, Keith D Gourley, James C Simmons, William F Marsh, August 31, 1993: US05240480 (100 worldwide citation)

The present invention relates to novel multi-layer composite solid state membranes which are capable of separating oxygen from oxygen-containing gaseous mixtures at elevated temperatures. The membranes comprise a multicomponent metallic oxide porous layer having an average pore radius of less than a ...


9
Madhukar B Rao, Shivaji Sircar, Joseph M Abrardo, William F Baade: Hydrogen recovery by adsorbent membranes. Air Products and Chemicals, John M Fernbacher, James C Simmons, William F Marsh, October 11, 1994: US05354547 (98 worldwide citation)

A composite semipermeable membrane comprising microporous adsorbent material supported by a porous substrate is operated in series with a pressure swing adsorption (PSA) system and the PSA reject gas is used as a sweep gas to improve membrane performance. The integrated membrane-PSA system is partic ...


10
David W Studer, Elizabeth S Schaub: Liquid phase methanol process with co-rich recycle. Air Products and Chemicals, John M Fernbacher, James C Simmons, William F Marsh, February 8, 1994: US05284878 (96 worldwide citation)

Methanol is produced by reacting a CO-rich synthesis gas in the presence of a powdered methanol synthesis catalyst suspended in an inert liquid in a liquid phase reactor system. Unreacted CO-rich synthesis gas is recycled to the reactor, thus increasing methanol production and reducing specific powe ...



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