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 (137 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
Thomas Shimrock, Victor Rosynsky, Theodore M Caridi, John M Collins, Michael G Koubek: Metered charge system for catalytic coating of a substrate. Engelhard Corporation, September 2, 1986: US04609563 (45 worldwide citation)

Method and apparatus for coating catalytic converter substrates with an exact amount of a precious metal. In the course of operation of the apparatus, a hollow substrate to be treated having opposed open ends is transferred from a starting location such that one end is lowered into a dip pan into wh ...


3
Thomas Shimrock, R Dirk Taylor, John M Collins Jr: Method of impregnating ceramic monolithic structures with predetermined amounts of catalyst. Engelhard Corporation, October 29, 1985: US04550034 (41 worldwide citation)

A method for impregnating the interior skeletal structure of a ceramic monolithic catalyst support with a slurry of catalyst material is disclosed wherein a predetermined amount of catalyst slurry is metered into contact with a first end of the support. A cover is placed over the periphery of a seco ...