Eastman-kodak Company

Other

Aqdot Limited

Schlumberger Technology Corporation

Open Energi Limited

Andrew M Howe

Alan R Pitt

Trevor J Wear

John H Hone

Lloyd A Lobo

James Stephen Honan

Andrew Nicholas Dames

Andrew Clarke

Danuta Gibson

John M Higgins

Stephanie V Desrousseaux

Kenneth J Ruschak

Bruce C Campbell

Ian M Newington

Terry C Schultz

Roger Coulston

Paul A Corbelli

John S Brand

Richard W Connelly

Ryan B Adams

Robin D Wesley

Timothy Sweyn Norris

David Darrell Miller

Nathan Scott Lawrence

Andrew Meredith

Timothy G J Jones

Markus Pagels

Kay McGuinness

David Diec

Jose Martinez-Santiago

Richard Ferguson

Kimon Roussopoulos

Andrew Dames

Gary L Santee

Michael Pedder

Jennifer Efua Kwansima Quansah

Benjamin Cheesman

Christian V Nicholas

Tim Norris

A dispersion stabiliser precursor composition including one or more of cucurbituril, a variant or a derivative thereof, and one or more oil-in-water macromolecular amphiphilic emulsifier, wherein the composition is in the form of a free flowing powder; and an oil-in-water emulsion composition including one or more of cucurbituril, a variant or a derivative thereof, and one or more oil-in-water macromolecular amphiphilic emulsifier.

Emulsion stabiliser

This invention relates to a wireless vehicle recharging apparatus for an energy storage element of a vehicle. The apparatus has at least one drive unit arrangement coupled to at least one drive coil arrangement disposed for generating a magnetic field extending from the drive coil arrangement, and includes a corresponding vehicle-mounted pickup coil arrangement coupled to a power conditioning circuit arrangement for receiving the extending magnetic field. The drive unit arrangement is operable to excite the drive coil arrangement at a fundamental frequency and the drive coil arrangement is implemented to be substantially devoid of ferromagnetic components for providing a path for the extending magnetic field. Additional aspects of the invention relate to vehicle power coupling apparatus including pickup coil arrangements.

Inductive power coupling systems for roadways

Stable suspension compositions including cucurbiturils. More particularly, the stable suspension compositions including cucurbituril particles suspended in a medium. Also, the preparation of the suspension composition and a method of counteracting malodour including application of the suspension composition to a source of malodour.

Cucurbituril suspension compositions

An inductive power transfer system () for roadways includes at least one drive unit arrangement () coupled to at least one drive coil arrangement () disposed along a roadway () for generating a magnetic field extending upwardly from the roadway (), and at least one vehicle () including a corresponding pickup coil arrangement () coupled to a power conditioning circuit arrangement () for receiving the extending magnetic field for providing power to operate the at least one vehicle (). The at least one drive unit arrangement () is operable to excite, for example at resonance, the at least one drive coil arrangement () at a fundamental frequency (f) of at least 30 kHz, preferably at least 50 kHz, more preferably at least 100 kHz, and most preferably at least 140 kHz. The at least one drive coil arrangement () is implemented to be substantially devoid of ferromagnetic components for providing a path for the extending magnetic field. Optionally, the at least one drive unit arrangement () is operable to employ a balanced class-E amplifier arrangement for exciting the at least one drive coil arrangement () at the fundamental frequency (f). Optionally, the at least one drive unit arrangement () is operable to employ one or more Silicon Carbide semiconductor devices for switching the currents provided to the corresponding at least one drive coil arrangement (). Optionally, there is further included a passive and/or active suppression arrangement () for suppressing harmonic magnetic field components generated by the system () at multiples of the fundamental frequency (f) when in operation.

An electrochemical sensor of a downhole tool positionable in a wellbore penetrating a subterranean formation is provided. The downhole tool has a flowline to receive downhole fluid. The electrochemical sensor includes a bulkhead carried by the downhole tool, a membrane exposed to the downhole fluid in the flowline, and an electrochemical cell supported by the bulkhead about the membrane. The electrochemical cell includes a plurality of cell sensors, at least one cell electrode, and a sensing solution. The plurality cell sensors include an analyte sensor, a temperature sensor, and a pH sensor. The sensing solution is reactive to certain analytes in the downhole fluid to generate electrical signals measurable by the plurality of cell sensors whereby parameters of chemicals in the downhole fluid may be measured.

Downhole electrochemical sensor and method of using same

A smart responsive electrical load () is operatively connectable to an electricity supply network (). The smart responsive electrical load () comprises an electrical power-consuming device () and a control arrangement () for controlling a supply of electrical power from the network () to the device (). The control arrangement () is operable to impose a variable time delay (t) before supplying electrical power to the device () after a request for power to be provided to the device (). The variable time delay (t) is a function of a state of the network (), for example its frequency (f) and/or its voltage amplitude (V). Optionally, the device () is a battery charger, for example for use with a rechargeable electric vehicle. Beneficially, the smart responsive load () is supplied with electrical power from a population of micro-generation devices () operable to provide supply network response.

Smart responsive electrical load

A method for creating composite droplets for use in an ink jet system includes a first fluid () brought into contact with a second fluid within a set of channels (). The interface between the fluids is characterized by an interfacial tension. The first fluid forms spaced droplets () within the second fluid, the composite of the first and second fluids passing through an orifice () to form a jet ().

Continuous ink jet printing of encapsulated droplets

An inkjet printing system comprising a plurality of static inkjet printing units each comprising at least one inkjet printing head; an ink-receiving element comprising a poorly-absorbing or impermeable substrate; an aqueous inkjet composition which comprises a polymeric compound comprising discrete particles responsive to an external stimulus, and a functional material, which may be incorporated as part of the polymeric particles, the composition having a first rheological state and a different second rheological state in response to a stimulated change in conditions, the first state being associated with a first lower viscosity of the composition, wherein the particles have a first lower volume, and the second state being associated with a second higher viscosity of the composition, wherein the particles have a second higher volume, and of drying the aqueous ink composition only positioned downstream of the plurality of the printing units.

Inkjet printing system

A thermally-responsive dispersant for an aqueous dispersion of positively- or negatively-charged or chargeable solid or liquid particulates, comprises a compound having an anchoring moiety linked to a thermally-responsive polymeric stabilizing moiety, other than a polyalkylene oxide, the polymeric moiety having a lower affinity for the surface than the anchoring group below the thermal transition temperature, the particulates being positively-charged or chargeable when the anchoring moiety contains an acid and/or hydroxy group and has a net acidity or neutrality and the particulates being negatively-charged or chargeable when the anchoring moiety has a basic group and has a net basicity, wherein the dispersion exhibits a change in sign from negative to positive and an increase in magnitude of a rheological property (viscosity at low shear and/or complex modulus at low amplitude oscillatory shear), on increasing the temperature from below to above the thermal transition temperature.

Thermally-responsive dispersants for media formulations

The invention provides an aqueous inkjet ink composition comprises a polymeric compound comprising discrete particles responsive to an external stimulus, and a functional material, wherein the functional material may be incorporated as part of the polymeric particles, the particles causing the composition to have a first rheological state and a different second rheological state in response to a stimulated change in conditions, the first rheological state being associated with a first lower viscosity of the composition, wherein the particles have a first lower volume, enabling the composition to pass through an inkjet printhead orifice and the second rheological state being associated with a second higher viscosity of the composition, wherein the particles have a second higher volume, enabling immobilisation of droplets of the composition on a substrate. The inkjet composition is particularly useful in a continuous inkjet printing system for printing onto a wide range of surfaces including impermeable surfaces.

Ink for printing on low energy substrates

The invention provides a dispersant for an aqueous dispersion of negatively charged or chargeable solid particulates which comprises a compound having an anchoring moiety linked to a polymeric hydrophilic moiety, the anchoring moiety containing at least one basic group and having an overall basicity and the polymeric moiety having a lower affinity for the particulate surface than the anchoring moiety. The invention also provides a coating composition containing the dispersant, an inkjet recording element containing the dispersant and methods of coating or reducing viscosity using the dispersant.

Coating composition containing a dispersant

An inkjet printing system, comprises an inkjet printer, an ink composition, and an inkjet recording media comprising a support, and coated on the support in order from the support, a porous base layer and a porous uppermost layer, each with particular limitations The inkjet recording media and printer system is manufacturable using low-cost materials in an efficient process requiring only a single coating and drying step and that gives images with excellent gloss, color density, and image quality.

Inkjet recording media with cationically-modified clay particles

The invention provides a dispersant for an aqueous dispersion of positively charged or chargeable solid particulates which comprises a compound having an anchoring moiety linked to a polymeric hydrophilic moiety, the anchoring moiety containing at least one acid and/or hydroxy group and having an overall acidity or neutrality and the polymeric moiety having a lower affinity for the particulate surface than the anchoring moiety. The anchoring moiety preferably contains at least two acid groups, preferably carboxylic acid groups, attached either in a [1,1], [1,2] or [1,3] relationship and is linked to the polymeric moiety, which is preferably derived from acrylamide or methacrylamide monomer units, preferably by a sulfur atom. The dispersant can reduce the viscosity of an aqueous dispersion of positively charged or chargeable solid particulates and can reduce the tendency of the resulting dispersion to form a gel or a yield stress material. The dispersant facilitates the processing of the resulting compositions in manufacturing operations and it may be used, for example, as a component of a coating material, a ceramic, paint, refractory material, filler or in an inkjet recording paper or film. Additionally, the dispersant can allow the use of higher concentrations of solid particulates and enable control of the yield stress, as some yield is often beneficial in helping prevent or reduce sedimentation.

Dispersant for reducing viscosity of particulate solids

An inkjet printing system, comprises an inkjet printer, an ink composition, and an inkjet recording media comprising a support, and coated on the support in order from the support, a porous base layer, a porous intermediate layer, and a porous uppermost layer, each with particular limitations. The inkjet recording media and printer system is manufacturable using low-cost materials in an efficient process requiring only a single coating and drying step and that gives images with excellent gloss, color density and image quality.

The invention provides a coating composition containing boehmite particles and a dispersant which comprises a compound having an anchoring moiety linked to a polymeric hydrophilic moiety, the anchoring moiety containing at least one acid and/or hydroxy group and having overall acidity or neutrality and the polymeric moiety having a lower affinity for a boehmite surface than the anchoring moiety. The anchoring moiety preferably contains at least two acid groups, preferably carboxylic acid groups, attached either in a [1,1], [1,2] or [1,3] relationship and is linked to the polymeric moiety, which is preferably derived from acrylamide or methacrylamide monomer units, preferably by a sulfur atom. The dispersant can reduce the viscosity of the boehmite dispersion and the tendency of the boehmite dispersion to increase in viscosity and/or form a gel or a yield stress material following periods of high shear stress.

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Watford, United Kingdom

Andrew M Howe