1
Jo Ann T Schwartz: Silica microspheres, method of improving attrition resistance. E I Du Pont de Nemours and Company, Caroline J Yun, July 7, 1992: US05128114 (69 worldwide citation)

High-strength, non-agglomerated uniform porous microspheres of silica produced by spray drying a mixture comprising a colloidal silica sol and an additive selected from ammonium citrate or urea; an attrition resistant catalytic composite consisting essentially of metal crystallites such as palladium ...


2
Jo Ann T Schwartz: Ru,Re/carbon catalyst for hydrogenation in aqueous solution. E I Du Pont de Nemours and Company, December 26, 1995: US05478952 (68 worldwide citation)

Improved hydrogenation catalysts consisting essentially of highly dispersed, reduced ruthenium and rhenium on carbon support and methods of making and using the same. Such catalysts exhibit high conversion rates in aqueous solution hydrogenation of hydrogenatable precursors (e.g., maleic acid, succi ...


3
Lawrence W Gosser, Jo Ann T Schwartz: Hydrogen peroxide production method using platinum/palladium catalysts. E I Du Pont de Nemours and Company, May 23, 1989: US04832938 (48 worldwide citation)

An improved method for making hydrogen peroxide from the direct combination of hydrogen and oxygen using a platinum/palladium catalyst in which the weight ratio of platinum to platinum plus palladium is in the range of about 0.02 to about 0.2.


4
Jo Ann T Schwartz: Silica microspheres, method of improving attrition resistance and use. E I Du Pont de Nemours and Company, October 4, 1994: US05352645 (46 worldwide citation)

High-strength, non-agglomerated uniform porous microspheres of silica produced by spray drying a mixture comprising a colloidal silica sol and an additive selected from ammonium citrate or urea; an attrition resistant catalytic composite consisting essentially of metal crystallites such as palladium ...


5
Lawrence W Gosser, Jo Ann T Schwartz: Catalytic process for making hydrogen peroxide from hydrogen and oxygen employing a bromide promoter. E I Du Pont de Nemours and Company, September 20, 1988: US04772458 (36 worldwide citation)

A process for making hydrogen peroxide from hydrogen and oxygen employing an aqueous reaction medium containing a bromide promoter is disclosed.


6
Jo Ann T Schwartz: Process for preparing attrition resistant catalysts. E I Du Pont de Nemours and Company, April 12, 1994: US05302566 (7 worldwide citation)

A process is described for preparing attrition resistant catalyst, particularly vanadium/phosphorus oxide catalyst, having an oxide rich surface layer. The oxide rich surface layer is obtained from a stable oxide-forming mixture which contains both colloidal oxide sol and a soluble oxide precursor.


7
Jo Ann T Schwartz, Dwain T Cline Jr: Process for manufacture of an attrition resistant catalyst. E I du Pont de Nemours and Company, April 12, 2005: US06878668 (3 worldwide citation)

A method for manufacturing of an attrition resistant vanadium/phosphorous oxide catalyst involving forming an aqueous slurry comprising; vanadium/phosphorous oxide catalyst or vanadium/phosphorous oxide catalyst precursor particles, an aqueous solution of H3PO4, and optionally an aqueous colloidal s ...


8
Jo Ann T Schwartz, Harvey P Tannenbaum, Vinci Martinez Felix: Membrane Electrode Assembly for Organic/Air Fuel Cells. E I Du Pont de Nemours And Company, Legal Patent Records Center, November 27, 2008: US20080292931-A1

The present invention provides a membrane electrode assembly for an organic/air fuel cell comprising a proton exchange membrane, an anode electrode, and a cathode electrode. The proton exchange membrane is made of a highly fluorinated ion-exchange polymer, and it has opposite first and second sides. ...


9
Mookkan Periyasamy, Jo Ann T Schwartz, Mohamed Abdou, Harvey P Tannenbaum: Membrane electrode assembly for organic/air fuel cells. E I Du Pont de Nemours And Company, Legal Patent Records Center, December 2, 2010: US20100304266-A1

A membrane electrode assembly for an organic/air fuel cell is provided comprising a proton exchange membrane, an anode electrode, and a cathode electrode. The proton exchange membrane is made of a highly fluorinated ion-exchange polymer. The anode electrode is comprised of an anode electrocatalyst o ...