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 (210 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 (174 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 (168 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 (166 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 (137 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
John G Langan, Scott E Beck, Brian S Felker: Method for plasma etching or cleaning with diluted NF.sub.3. Air Products and Chemicals, Geoffrey L Chase, William F Marsh, May 9, 1995: US05413670 (119 worldwide citation)

A method has been developed for the removal of silicon nitride and silicon dioxide, or other semiconductor materials from a surface of a wafer or CVD reactor. The method uses NF.sub.3, mixed with an electropositive diluent, preferably argon, at a given range of concentration, pressure, flowrate, and ...


8
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 (109 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 ...


9
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 (108 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 ...


10
William E Lenney, John G Iacoviello: Vinyl acetate-ethylene copolymer emulsions prepared in the presence of a stabilizing system of a low molecular weight polyvinyl alcohol and a surfactant. Air Products and Chemicals, Michael Leach, James C Simmons, William F Marsh, May 1, 1990: US04921898 (102 worldwide citation)

A vinyl acetate-ethylene copolymer emulsion which is about 65-70% solids and has a viscosity of less than about 3,500 is disclosed. The emulsion is prepared by copolymerization of vinyl acetate and ethylene monomers in the presence of a stabilizing system consisting essentially of 2-4 wt %, based on ...