1
Carl D Keith, William R Larsen, Thomas Shimrock: Catalyst compositions and the method of manufacturing them. Engelhard Minerals & Chemicals Corporation, October 16, 1979: US04171288 (135 worldwide citation)

Catalysts are disclosed which have good activity and life when used to promote the conversion of hydrocarbons, carbon monoxide and nitrogen oxides contained in small concentrations in gaseous streams, to obtain the less noxious materials, carbon dioxide, water and nitrogen. The catalysts contain a c ...


2
Otto J Adlhart: Fuel cell system utilizing ion exchange membranes and bipolar plates. Engelhard Minerals & Chemicals Corporation, November 20, 1979: US04175165 (132 worldwide citation)

Fuel cell assemblies and methods for manufacturing same are disclosed, the fuel cell assemblies comprising a stacked configuration of fuel cell laminates, each including a catalytic fuel electrode, a catalytic oxygen electrode, and an electrolyte therebetween the electrolyte comprising an ion exchan ...


3
Pfefferle William C: Catalytically-supported thermal combustion. Engelhard Minerals & Chemicals Corporation, December 30, 1975: US3928961 (121 worldwide citation)

A method for the catalytically-supported thermal combustion of carbonaceous fuel comprising the adiabatic combustion of at least a portion of the fuel admixed with air in the presence of a solid oxidation catalyst at an operating temperature substantially above the instantaneous auto-ignition temper ...


4
Charles E Thompson, John J Mooney, Carl D Keith, William A Mannion: Polyfunctional catalysts. Engelhard Minerals & Chemicals Corporation, June 5, 1979: US04157316 (107 worldwide citation)

This invention provides polyfunctional catalysts comprising a composite of platinum and one or more of rhodium, ruthenium and iridium, a substantially larger quantity of one or more base metal oxides in which the metal is selected from the group consisting of metals having an atomic number from 25 t ...


5
Carle W Highberg: Fixed-super-abrasive tool and method of manufacture thereof. Engelhard Minerals & Chemicals Corporation, March 8, 1977: US04010583 (98 worldwide citation)

This improved fixed-super-abrasive tool for grinding and polishing toric and other curvilinear lenses is produced by a novel method of manufacture and comprises a substantially-rigid, super-abrasive-free backing member and a malleable preformed super-abrasive wafer conformed and releasably secured t ...


6
Saul G Hindin, Joseph C Dettling: Rare earth containing catalyst composition. Engelhard Minerals & Chemicals Corporation, November 23, 1976: US03993572 (83 worldwide citation)

Catalysts suitable for promoting selected oxidation and reduction reactions; especially for eliminating or substantially reducing pollutants in waste gas streams such as automobile exhaust, or nitric acid plant tail gas, are described, as are processes for their preparation and use. The catalysts co ...


7
Victor Rosynsky, Alfred Stawsky: Catalytic apparatus. Engelhard Minerals & Chemicals Corporation, March 6, 1979: US04142864 (82 worldwide citation)

A catalytic, gas treating apparatus in which a unitary ceramic catalytic element having gas flow passages therethrough, is positioned within a metallic casing in a manner providing a space between the casing and the catalytic element. A resilient member which is compressible both radially and longit ...


8
Babu N Thakur: Bonded-abrasive wire saw. Engelhard Minerals & Chemicals Corporation, April 5, 1977: US04015931 (77 worldwide citation)

This improved wire saw for sawing various materials, including, for example, granite, marble, limestone and the like comprises in combination an elongated abrasive carrier of novel design and bonded abrasives secured thereto. The carrier comprises a plurality of discrete high tensile strength strand ...


9
William C Pfefferle: Method and apparatus for turbine system combustor temperature. Engelhard Minerals & Chemicals Corporation, August 24, 1976: US03975900 (74 worldwide citation)

A method and apparatus for operating a gas turbine system are disclosed utilizing an adiabatic combustion process, employing combustion of a pre-mixed carbonaceous fuel-air admixture in a combustion zone. The combustion and the combustion zone are maintained at an approximately constant temperature ...


10
David B Bartholic: Upgrading petroleum and residual fractions thereof. Engelhard Minerals & Chemicals Corporation, Inez L Moselle, April 21, 1981: US04263128 (68 worldwide citation)

Whole crude and bottoms fractions from distillation of petroleum are upgraded by high temperature, short time contact with a fluidizable solid of essentially inert character to deposit high boiling components of the charge on the solid whereby Conradson Carbon values, salt content and metal content ...