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John N Armor, Emery J Carlson: Palladium on alumina aerogel catalyst composition and process for making same. Allied Corporation, Thomas D Hoffman, Gerhard H Fuchs, September 4, 1984: US04469816 (16 worldwide citation)

A catalyst composition comprising a uniform dispersion of individual metallic palladium particles, substantially free of clusters of said particles, on and throughout an alumina aerogel support, said composition having a BET surface area in the range of about 20 to about 700 m.sup.2 /g, a pore volum ...


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Emery J Carlson, John N Armor, William J Cunningham, Addison M Smith: Chromium aerogel method of producing same and fluorinating process utilizing same. Allied Signal, Ernest D Buff, Gerhard H Fuchs, May 9, 1989: US04828818 (15 worldwide citation)

Chromium(III) oxide and hydroxide aerogels are produced by the reaction of chromium(VI) oxide with a solvent which is reducing to chromium(VI), such as methanol, heating the solution to hypercritical conditions, and venting the solvent hypercritically. The product aerogels exhibit surface areas abov ...


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John N Armor: Catalytic oxidation of primary amines to oximes by elemental oxygen. Allied Corporation, Alan M Doernberg, Thomas D Hoffman, Richard C Stewart II, March 12, 1985: US04504681 (15 worldwide citation)

A process for the production of oximes which comprises contacting, in the vapor phase, a primary saturated aliphatic or alicyclic amine of 2 to 12 carbon atoms with an elemental oxygen gas in the presence of an effective amount of a catalyst comprising an alumina or oxygen-containing tungsten substa ...


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Gamini A Vedage, John N Armor: Hydrogenation of aromatic amines to produce their ring hydrogenated counterparts. Air Products and Chemicals, Russell L Brewer, James C Simmons, William F Marsh, November 1, 1994: US05360934 (14 worldwide citation)

This invention relates to an improved hydrogenation process wherein aromatic amines are hydrogenated to their ring hydrogenated counterparts. These aromatic amines are presented by the formulas: ##STR1## wherein R is hydrogen or C.sub.1-6 aliphatic, R1 and R2 are hydrogen or C.sub.1-6 aliphatic, A i ...


15
Hideshi Kawachi, Shuji Minami, John N Armor, Andrzej Rokicki, Beatrice K Stein: Zinc-containing solid catalyst, process of preparing same and process for preparing polyalkylene carbonate. Mitsui Petrochemical, Birch Stewart Kolasch & Birch, January 1, 1991: US04981948 (14 worldwide citation)

According to the present invention, a zinc-containing solid catalyst prepared by contacting zinc oxide with an organic dicarboxylic acid in the presence of or in the absence of an organic solvent under a mechanical pulverization treatment is provided. The catalyst is in a good pulverized state and e ...


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Alejandro L Cabrera, John F Kirner, Robert A Miller, Ronald Pierantozzi, John N Armor: Method of producing silicon diffusion coatings on metal articles. Air Products and Chemicals, Mark L Rodgers, William F Marsh, James C Simmons, April 18, 1989: US04822642 (13 worldwide citation)

A silicon diffusion coating is formed in the surface of a metal article by exposing the metal article to a reducing atmosphere followed by treatment in an atmosphere of 1 ppm to 100% by volume silane, balance hydrogen or hydrogen inert gas mixture. Hydrogen with a controlled dew point is utilized as ...


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Thomas S Farris, Yuejin Li, John N Armor, Thomas A Braymer: Method for decomposing N.sub.2 O utilizing catalysts comprising calcined anionic clay minerals. Engelhard Corporation, December 5, 1995: US05472677 (12 worldwide citation)

The invention describes a highly efficient catalytic pollution control process for removing N.sub.2 O from gaseous mixtures. The process utilizes catalysts derived from anionic clay minerals, which after appropriate heat activation, provide superior N.sub.2 O decomposition activity. The catalytic pr ...


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James G Hansel, S Venkat Raman, Jack L Stolz, John N Armor, Yuejin Li: Control of exhaust emissions from methane-fueled internal combustion engines. Air Products and Chemicals, John M Fernbacher, William F Marsh, September 19, 1995: US05451385 (11 worldwide citation)

Nitrogen oxides and carbon monoxide are removed from the exhaust of an internal combustion engine which operates on a methane-containing fuel by reacting the carbon monoxide, nitrogen oxides, and oxygen in the exhaust gas with methane in the presence of a catalyst comprising a crystalline zeolite ha ...


20
John N Armor, Emery J Carlson: Process for ammoximation of cyclohexanone. Allied Chemical Corporation, Alan M Doernberg, Robert A Harman, July 28, 1981: US04281194 (11 worldwide citation)

An amorphous silica/alumina gel catalyst obtained by coprecipitating orthosilicate tetraester and aluminate triester in about 2.5:1 mole ratio, via rapid addition of about 0.4 to 5 moles of water per molecular equivalent of total ester groups, and drying at not over about 275.degree. C. is an effect ...