Patents by Inventor Stephen Richard Coulson
Stephen Richard Coulson has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20210368632Abstract: An electronic or electrical device or component thereof having a coating formed thereon by exposing said electronic or electrical device or component thereof to a plasma comprising one or more monomer compounds for a sufficient period of time to allow a protective polymeric coating to form on a surface thereof; wherein the protective polymeric coating forms a physical barrier over a surface of the electronic or electrical device or component thereof; wherein each monomer is a compound of formula I(a): or a compound of formula I(b)Type: ApplicationFiled: August 3, 2021Publication date: November 25, 2021Inventors: Stephen Richard COULSON, Delwyn EVANS, Thomas HELLWIG, Fred HOPPER, Neil POULTER, Angeliki SIOKOU, Clive TELFORD
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Publication number: 20210355341Abstract: The present invention provides an electronic or electrical device or component thereof comprising a cross-linked polymeric coating on a surface of the electronic or electrical device or component thereof; wherein the cross-linked polymeric coating is obtainable by exposing the electronic or electrical device or component thereof to a plasma comprising a monomer compound and a crosslinking reagent for a period of time sufficient to allow formation of the cross-linked polymeric coating on a surface thereof, wherein the monomer compound has the following formula: where R1, R2 and R4 are each independently selected from hydrogen, optionally substituted branched or straight chain C1-C6 alkyl or halo alkyl or aryl optionally substituted by halo, and R3 is selected from: where each X is independently selected from hydrogen, a halogen, optionally substituted branched or straight chain C1-C6 alkyl, halo alkyl or aryl optionally substituted by halo; and n1 is an integer from 1 to 27; and wherein the crosslinkinType: ApplicationFiled: March 31, 2021Publication date: November 18, 2021Inventors: Stephen Richard COULSON, Delwyn EVANS, Angeliki SIOKOU, Clive TELFORD
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Patent number: 11041087Abstract: The present invention provides an electronic or electrical device or component thereof comprising a cross-linked polymeric coating on a surface of the electronic or electrical device or component thereof; wherein the cross-linked polymeric coating is obtainable by exposing the electronic or electrical device or component thereof to a plasma comprising a monomer compound and a crosslinking reagent for a period of time sufficient to allow formation of the cross-linked polymeric coating on a surface thereof, wherein the monomer compound has the following formula: where R1, R2 and R4 are each independently selected from hydrogen, optionally substituted branched or straight chain C1-C6 alkyl or halo alkyl or aryl optionally substituted by halo, and R3 is selected from: where each X is independently selected from hydrogen, a halogen, optionally substituted branched or straight chain C1-C6 alkyl, halo alkyl or aryl optionally substituted by halo; and n1 is an integer from 1 to 27; and wherein the crosslinkiType: GrantFiled: August 22, 2019Date of Patent: June 22, 2021Assignee: P2i LtdInventors: Stephen Richard Coulson, Delwyn Evans, Angeliki Siokou, Clive Telford
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Publication number: 20200032072Abstract: An electronic or electrical device or component thereof comprising a protective polymeric coating on a surface of the electronic or electrical device or component thereof, wherein the polymeric coating is obtainable by exposing the electronic or electrical device or component thereof to a plasma comprising one or more saturated monomer compounds for a sufficient period of time to allow the protective polymeric coating to form on a surface thereof; wherein the one or more saturated monomer compounds each have a melting point at standard pressure of less than 45?C and a boiling point at standard pressure of less than 500° C.Type: ApplicationFiled: June 8, 2016Publication date: January 30, 2020Inventors: Stephen Richard COULSON, Delwyn EVANS, Angeliki SIOKOU, Clive TELFORD
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Publication number: 20190375961Abstract: The present invention provides an electronic or electrical device or component thereof comprising a cross-linked polymeric coating on a surface of the electronic or electrical device or component thereof; wherein the cross-linked polymeric coating is obtainable by exposing the electronic or electrical device or component thereof to a plasma comprising a monomer compound and a crosslinking reagent for a period of time sufficient to allow formation of the cross-linked polymeric coating on a surface thereof, wherein the monomer compound has the following formula: where R1, R2 and R4 are each independently selected from hydrogen, optionally substituted branched or straight chain C1-C6 alkyl or halo alkyl or aryl optionally substituted by halo, and R3 is selected from: where each X is independently selected from hydrogen, a halogen, optionally substituted branched or straight chain C1-C6 alkyl, halo alkyl or aryl optionally substituted by halo; and n1 is an integer from 1 to 27; and wherein the crosslinkinType: ApplicationFiled: August 22, 2019Publication date: December 12, 2019Inventors: Stephen Richard COULSON, Delwyn EVANS, Angeliki SIOKOU, Clive TELFORD
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Publication number: 20190335592Abstract: An electronic or electrical device or component thereof having a coating formed thereon by exposing said electronic or electrical device or component thereof to a plasma comprising one or more monomer compounds for a sufficient period of time to allow a protective polymeric coating to form on a surface thereof; wherein the protective polymeric coating forms a physical barrier over a surface of the electronic or electrical device or component thereof; wherein each monomer is a compound of formula I(a): or a compound of formula I(b) wherein each of R1 to R9 is independently selected from hydrogen or halogen or an optionally substituted C1-C6 branched or straight chain alkyl group; each X is independently selected from hydrogen or halogen; a is from 0-6; b is from 2 to 14; and c is 0 or 1; and wherein when each X is F or when at least one X is halogen, in particular F, the FTIR/ATR intensity ratio of CX3/C?O of the coating is less than (c+1)0.6e?0.Type: ApplicationFiled: June 8, 2016Publication date: October 31, 2019Inventors: Stephen Richard COULSON, Delwyn EVANS, Thomas HELLWIG, Fred HOPPER, Neil POULTER, Angliki SIOKOU, Clive TELFORD
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Patent number: 10421876Abstract: The present invention provides an electronic or electrical device or component thereof comprising a cross-linked polymeric coating on a surface of the electronic or electrical device or component thereof; wherein the cross-linked polymeric coating is obtainable by exposing the electronic or electrical device or component thereof to a plasma comprising a monomer compound and a crosslinking reagent for a period of time sufficient to allow formation of the cross-linked polymeric coating on a surface thereof, wherein the monomer compound has the following formula: where R1, R2 and R4 are each independently selected from hydrogen, optionally substituted branched or straight chain C1-C6 alkyl or halo alkyl or aryl optionally substituted by halo, and R3 is selected from: where each X is independently selected from hydrogen, a halogen, optionally substituted branched or straight chain C1-C6 alkyl, halo alkyl or aryl optionally substituted by halo; and n1 is an integer from 1 to 27; and wherein the crosslinkiType: GrantFiled: June 8, 2016Date of Patent: September 24, 2019Assignee: P2i LtdInventors: Stephen Richard Coulson, Delwyn Evans, Angeliki Siokou, Clive Telford
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Publication number: 20180171171Abstract: The present invention provides an electronic or electrical device or component thereof comprising a cross-linked polymeric coating on a surface of the electronic or electrical device or component thereof; wherein the cross-linked polymeric coating is obtainable by exposing the electronic or electrical device or component thereof to a plasma comprising a monomer compound and a crosslinking reagent for a period of time sufficient to allow formation of the cross-linked polymeric coating on a surface thereof, wherein the monomer compound has the following formula: where R1, R2 and R4 are each independently selected from hydrogen, optionally substituted branched or straight chain C1-C6 alkyl or halo alkyl or aryl optionally substituted by halo, and R3 is selected from: or where each X is independently selected from hydrogen, a halogen, optionally substituted branched or straight chain C1-C6 alkyl, halo alkyl or aryl optionally substituted by halo; and n1 is an integer from to 27; and wherein the crosslinking reageType: ApplicationFiled: June 8, 2016Publication date: June 21, 2018Inventors: Stephen Richard COULSON, Delwyn EVANS, Angeliki SIOKOU, Clive TELFORD
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Publication number: 20150065001Abstract: A method of forming a liquid repellent coating on a surface of a substrate, where the surface is exposed to a monomer in a plasma process under conditions that maintain the monomer in situ for a period of time to allow a polymeric layer to form on the surface, wherein the conditions comprise at least one cycle of varying pressure.Type: ApplicationFiled: October 10, 2014Publication date: March 5, 2015Inventors: Stephen Richard COULSON, Paul DE BLAQUIERE, Delwyn EVANS, Warren LEE
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Publication number: 20150048052Abstract: The present invention relates to an apparatus (10) for plasma processing an article (12), the apparatus comprising: a chamber (14) for receiving an article to be processed; electrode means (16) for generating an electric field in said chamber for establishing a plasma in said chamber so that said article can be processed; generation means (24) for generating alternating electrical energy for transmission to said electrode means (18); connection means for connecting said generation means to said electrode means (20); and control means for varying the location of nodes and anti-nodes of standing waves generated in said chamber during processing, so that a plurality of standing waves are generated over time which are not coincident with one another.Type: ApplicationFiled: August 16, 2011Publication date: February 19, 2015Inventors: Stephen Richard Coulson, Fred Hopper, Charles Edmund King
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Patent number: 8389070Abstract: A method for depositing a polymeric material onto a substrate, said method comprising introducing an organic monomeric material in a gaseous state into a plasma deposition chamber, igniting a glow discharge within said chamber, and applying a high frequency voltage as a pulsed field, at a power of from 0.001 to 500 w/m3 for a sufficient period of time to allow a polymeric layer to form on the surface of the substrate. The method is particularly suitable for producing oil and water repellent coatings, in particular where the monomeric material contains haloalkyl compounds. Apparatus particularly adapted to carry out the method of the invention is also described and claimed.Type: GrantFiled: March 18, 2005Date of Patent: March 5, 2013Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: Stephen Richard Coulson, Ian Burnett, John Henry Sambell
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Publication number: 20100236479Abstract: Apparatus (10) is shown for plasma treating a surface of a small (channel 12) to modify the surface and change the functional effect. The apparatus comprises: a source (14) of active species for supply to an inlet (16) of a processing region (18) for forming a plasma in the processing region; means (20) for applying an electric field to the active species in the processing region so that a plasma is formed; and vacuum pumping means (22) for connection to an outlet (24) of the processing region. The vacuum pumping means are operable to provide a flow path (26) in the processing region from the inlet to the outlet thereof and to control pressure in the processing region. Apparatus (10) further comprises supporting means for supporting at least one small channel so that, in use, the flow path extends therethrough, and an internal surface of said at least one small channel is coated with a thin film polymer layer by plasma deposition.Type: ApplicationFiled: November 7, 2008Publication date: September 23, 2010Inventor: Stephen Richard Coulson
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Publication number: 20100183879Abstract: Apparatus (10) for coating a surface of an article (14) with a thin film polymer layer by plasma deposition, the apparatus comprising: a plurality of processing chambers (12a, 12b, 12c . . .Type: ApplicationFiled: July 17, 2008Publication date: July 22, 2010Inventor: Stephen Richard Coulson
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Publication number: 20080260965Abstract: A method for depositing a polymeric material onto a substrate, said method comprising introducing an organic monomeric material in a gaseous state into a plasma deposition chamber, igniting a glow discharge within said chamber, and applying a high frequency voltage as a pulsed field, at a power of from 0.001 to 500 w/m3 for a sufficient period of time to allow a polymeric layer to form on the surface of the substrate. The method is particularly suitable for producing oil and water repellent coatings, in particular where the monomeric material contains haloalkyl compounds. Apparatus particularly adapted to carry out the method of the invention is also described and claimed.Type: ApplicationFiled: March 18, 2005Publication date: October 23, 2008Inventors: Stephen Richard Coulson, Ian Burnett, John Henry Sambell
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Patent number: RE43651Abstract: A method of coating a surface with a polymer layer, which method comprises exposing said surface to a plasma comprising a monomeric unsaturated organic compound which comprises a chain of carbon atoms, which are optionally substituted by halogen; provided that where the compound is a perhalogenated alkene, it has a chain of at least 5 carbon atoms; so as to form an oil or water repellent coating on said substrate.Type: GrantFiled: June 11, 1998Date of Patent: September 11, 2012Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern IrelandInventors: Jas P. S. Badyal, Stephen Richard Coulson, Colin R. Willis, Stuart A. Brewer