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Johnson Matthey Plc patents

Recent patent applications related to Johnson Matthey Plc. Johnson Matthey Plc is listed as an Agent/Assignee. Note: Johnson Matthey Plc may have other listings under different names/spellings. We're not affiliated with Johnson Matthey Plc, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "J" | Johnson Matthey Plc-related inventors

Level measurement using an inclined array of sources of ionising radiation

A method and apparatus for determining the location of a substantially horizontal fluid interface within a vessel are provided. The apparatus has a generally linear source array comprising a plurality of sources of penetrating radiation and a generally linear detector array comprising a plurality of radiation detectors capable of detecting radiation emitted by the sources. ... Johnson Matthey Plc

Steam reforming

. . . . A process for the steam reforming of hydrocarbons comprises partially oxidising a feedgas comprising a hydrocarbon feedstock with an oxygen-containing gas in the presence of steam to form a partially oxidised hydrocarbon gas mixture at a temperature >1200° c. And passing the resultant partially oxidised hydrocarbon gas mixture through a bed of steam reforming catalyst, wherein the bed comprises a first layer and a second layer, each layer comprising a catalytically active metal on an oxidic support wherein the oxidic support for the first layer is a zirconia.. ... Johnson Matthey Plc

Method for aluminum incorporation into high-silica zeolites prepared in fluoride media

A method of synthesizing high-silica zeolites in a fluoride media using faujasite crystals as the aluminum source and quasi-siliceous seed crystals containing a small amount of germanium is described. The faujasite crystals dissolved during hydrothermal treatment, prior to the crystallization of lta-type zeolites. ... Johnson Matthey Plc

Printing of liquid crystal droplet laser resonators on a wet polymer solution and product made therewith

A method of manufacturing a security feature for identifying objects or documents of value. The method may include the steps of encoding information in a pattern; and ink jet printing a chiral nematic liquid crystal material from a reservoir using a print head on to a substrate in the pattern. ... Johnson Matthey Plc

Catalyst preparation method

A method for preparing a catalyst comprising (i) preparing a calcined shaped calcium aluminate catalyst support, (ii) treating the calcined shaped calcium aluminate support with water, and then drying the support, (iii) impregnating the dried support with a solution containing one or more metal compounds and drying the impregnated support, (iv) calcining the dried impregnated support, to form metal oxide on the surface of the support and (v) optionally repeating steps (ii), (iii) and (iv) on the metal oxide coated support. The method provides an eggshell catalyst in which the metal oxide is concentrated in an outer layer on the support.. ... Johnson Matthey Plc

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