Patents by Inventor Duncan Rogers
Duncan Rogers 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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Patent number: 7745497Abstract: An electrically neutral composition in the form of a water-in-oil or an oil-in-water emulsion is imparted with a unipolar electrostatic charge on spraying from an aerosol spray device by incorporating into the composition a non-ionic surfactant and at least one polar or ionic or aromatic or linearly conjugated compound. The amount of the polar or ionic or aromatic or linearly conjugated compound included in the composition is about 0.01 to about 80% w/w based on the non-ionic surfactant, but is such that the theoretical conductivity of the emulsion is less than the bulk conductivity of the emulsion.Type: GrantFiled: March 5, 2002Date of Patent: June 29, 2010Assignees: Reckitt Benckiser (UK) Limited, Reckitt Benckiser (Australia) Pty LimitedInventors: Duncan Roger Harper, Neale Harrison, John Douglas Morgan, John Howard Clint, Mario Abela
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Patent number: 7438767Abstract: Cleaning compositions including a photocatalytic material and a sensitiser employ a photocatalytic material and a sensitiser at a locus, for example on a surface. The residue combats soils and/or undesired microorganisms at the locus. The addition of a monohydric or polyhydric alcohol, preferably having humectant properties, gives benefits in terms of smear avoidance on application and soil removal thereafter.Type: GrantFiled: June 27, 2002Date of Patent: October 21, 2008Assignee: Reckitt Benckiser (UK) LimitedInventors: Malcolm Tom Mckechnie, Duncan Roger Harper
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Patent number: 7141125Abstract: Cleaning compositions including a photocatalytic material and a sensitiser employ a photocatalytic material and a sensitiser at a locus, for example on a surface. The residue combats soils and/or undesired microorganisms at the locus. The photocatalytic material is peroxo modified titania, preferably in its anatase form, or peroxo modified titanic acid, or a mixture thereof. The compositions are preferably alkaline.Type: GrantFiled: June 27, 2002Date of Patent: November 28, 2006Assignee: Reckitt Benckiser (UK) LimitedInventors: Malcolm Tom McKechnie, Duncan Roger Harper, Neil Campbell Muir
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Publication number: 20060237645Abstract: A method comprising characterizing the dimensions of structures on a semiconductor device having dimensions less than approximately 100 nanometers (nm) using one of scanning probe microscopy (SPM) or profilometry.Type: ApplicationFiled: June 29, 2006Publication date: October 26, 2006Applicant: TEXAS INSTRUMENTS INCORPORATEDInventors: Duncan Rogers, Vladimir Ukraintsev
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Publication number: 20060071164Abstract: A method comprising characterizing the dimensions of structures on a semiconductor device having dimensions less than approximately 100 nanometers (nm) using one of scanning probe microscopy (SPM) or profilometry.Type: ApplicationFiled: September 29, 2004Publication date: April 6, 2006Applicant: Texas Instruments IncorporatedInventors: Duncan Rogers, Vladimir Ukraintsev
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Patent number: 6878417Abstract: A method for mask-free molecular or atomic patterning of surfaces of reactive solids is disclosed. Molecules adsorb at surfaces in patterns, governed by the structure of the surface, the chemical nature of the adsorbate, and the adsorbate coverage at the surface. The surface is patterned and then imprinted with the pattern by inducing localized chemical reaction between adsorbate molecules and the surface of the solid, resulting in an imprint being formed in the vicinity of the adsorbate molecules. When the imprinted molecular patterns are conjugated chains containing ? bonds along which electrical charge can flow the molecular patterns constitute molecular wires or the imprinted molecules constitute a molecular-scale device. The surface of the substrate can be doped by including n- or p-type dopants in the adsorbate molecules. These molecular wires are anchored to the substrate by using conjugated chains which can be chemically bound at intervals along the chains to the substrates.Type: GrantFiled: May 18, 2001Date of Patent: April 12, 2005Inventors: John C. Polanyi, Duncan Rogers
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Publication number: 20040266654Abstract: Cleaning compositions including a photocatalytic material and a sensitiser employ a photocatalytic material and a sensitiser at a locus, for example on a surface. The residue combats soils and/or undesired microorganisms at the locus. The addition of a monohydric or polyhydric alcohol, preferably having humectant properties, gives benefits in terms of smear avoidance on application and soil removal thereafter.Type: ApplicationFiled: July 19, 2004Publication date: December 30, 2004Inventors: Malcolm Tom Mckechnie, Duncan Roger Harper
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Publication number: 20040198625Abstract: Cleaning compositions including a photocatalytic material and a sensitiser employ a photocatalytic material and a sensitiser at a locus, for example on a surface. The residue combats soils and/or undesired microorganisms at the locus. The photocatalytic material is peroxo modified titania, preferably in its anatase form, or peroxo modified titanic acid, or a mixture thereof. The compositions are preferably alkaline.Type: ApplicationFiled: December 18, 2003Publication date: October 7, 2004Inventors: Malcolm Tom Mckechnie, Duncan Roger Harper, Neil Campbell Muir
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Patent number: 6645307Abstract: Cleaning compositions including a photocatalytic material and a sensitiser employ a photocatalytic material and a sensitiser at a locus, for example on a surface. The residue combats soils and/or undesired microorganisms at the locus.Type: GrantFiled: December 21, 2000Date of Patent: November 11, 2003Assignee: Reckitt Benckiser (UK) LimitedInventors: Rod Thomas Fox, Duncan Roger Harper
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Patent number: 6612510Abstract: A method of improving the spraying of liquid droplets from a spray device onto a surface which method comprises imparting a unipolar charge to the said liquid droplets by double layer charging during the spraying of the liquid droplets from the spray device, the unipolar charge being at a level such that the said droplets have a charge to mass ratio of at least ±1×10−4 C/kg, whereby the charged droplets of the liquid are mutually repelled thereby increasing the spread of the droplets from a central spray line extending from the head of the spray device and avoiding coalescence of the droplets, thus providing a more even coverage of the surface which is to be sprayed. In particular, the method enables liquid droplets to be sprayed onto a surface which is obscured by all object located between the surface and the spray device.Type: GrantFiled: June 8, 2001Date of Patent: September 2, 2003Assignees: University of Southampton, Reckitt Benckiser (UK) LimitedInventors: Rodney Thomas Fox, Neale Harrison, John Farrell Hughes, Duncan Roger Harper, Lindsey Faye Whitmore
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Publication number: 20030157733Abstract: A method for mask-free molecular or atomic patterning of surfaces of reactive solids is disclosed. Molecules adsorb at surfaces in patterns, governed by the structure of the surface, the chemical nature of the adsorbate, and the adsorbate coverage at the surface. The surface is patterned and then imprinted with the pattern by inducing localized chemical reaction between adsorbate molecules and the surface of the solid, resulting in an imprint being formed in the vicinity of the adsorbate molecules. When the imprinted molecular patterns are conjugated chains containing &pgr; bonds along which electrical charge can flow the molecular patterns constitute molecular wires or the imprinted molecules constitute a molecular-scale device. The surface of the substrate can be doped by including n- or p-type dopants in the adsorbate molecules. These molecular wires are anchored to the substrate by using conjugated chains which can be chemically bound at intervals along the chains to the substrates.Type: ApplicationFiled: April 8, 2003Publication date: August 21, 2003Inventors: John C. Polanyi, Duncan Rogers
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Patent number: 6592813Abstract: An improved method of counteracting or neutralizing airborne malodour comprising directing at the source of the malodour liquid droplets from a spray device containing a malodour counteracting composition, the improved method comprising imparting a unipolar charge to the said liquid droplets by double layer charging during the spraying of the liquid droplets by the spray device, the unipolar charge being at a level such that the said droplets have a charge to mass ratio of at least ±1×10−4C/kg.Type: GrantFiled: July 11, 2001Date of Patent: July 15, 2003Assignees: University of Southampton, Reckitt Benckiser (UK) LimitedInventors: Rodney Thomas Fox, Neale Harrison, John Farrell Hughes, Duncan Roger Harper, Lindsey Faye Whitmore
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Publication number: 20030096878Abstract: An electrically neutral composition in the form of a water-in-oil or an oil-in-water emulsion is imparted with a unipolar electrostatic charge on spraying from an aerosol spray device by incorporating into the composition a non-ionic surfactant and at least one polar or ionic or aromatic or linearly conjugated compound. The amount of the polar or ionic or aromatic or linearly conjugated compound included in the composition is about 0.01 to about 80% w/w based on the non-ionic surfactant, but is such that the theoretical conductivity of the emulsion is less than the bulk conductivity of the emulsion.Type: ApplicationFiled: March 5, 2002Publication date: May 22, 2003Applicant: Reckitt Benckiser (UK) LimitedInventors: Duncan Roger Harper, Neale Harrison, John Douglas Morgan, John Howard Clint, Mario Abela
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Patent number: 6482357Abstract: An improved method of denaturing or deactivating an airborne allergen comprising directing at the airborne source of the allergen liquid droplets from a spray device containing a liquid composition which includes an allergen denaturant or allergen deactivant, the improved method comprising imparting a unipolar charge to the said liquid droplets by double layer charging during the spraying of the liquid droplets by the spray device, the unipolar charge being at a level such that the said droplets have a charge to mass ratio of at leaset ±1×10−4 C/kg.Type: GrantFiled: June 8, 2001Date of Patent: November 19, 2002Assignee: Reckitt Benckiser LimitedInventors: Rodney Thomas Fox, Neale Harrison, John Farrell Hughes, Duncan Roger Harper, Lindsey Faye Whitmore
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Publication number: 20020040723Abstract: Cleaning compositions including a photocatalytic material and a sensitiser employ a photocatalytic material and a sensitiser at a locus, for example on a surface. The residue combats soils and/or undesired microorganisms at the locus.Type: ApplicationFiled: December 21, 2000Publication date: April 11, 2002Inventors: Rod Thomas Fox, Duncan Roger Harper
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Patent number: 6319566Abstract: A method for mask-free molecular or atomic patterning of surfaces of reactive solids is disclosed. A molecular-scale pattern of adsorbate molecules is used in place of the conventional macroscopic “mask”. Molecules adsorb at surfaces in patterns, governed by the structure of the surface, the chemical nature of the adsorbate, and the adsorbate coverage at the surface. The surface is patterned and then marked or imprinted with the pattern by inducing localised chemical reaction between adsorbate molecules and the surface of the solid, resulting in an imprint being formed in the vicinity of the adsorbate molecules. In one aspect of the invention, photoinduced or electron-induced reaction of the patterned adsorbate leads to patterned reaction with the surface.Type: GrantFiled: May 19, 2000Date of Patent: November 20, 2001Inventors: John C. Polanyi, Duncan Rogers
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Patent number: 6156393Abstract: A method for mask-free molecular or atomic patterning of surfaces of reactive solids is disclosed. A molecular-scale pattern of adsorbate molecules is used in place of the conventional macroscopic "mask". Molecules adsorb at surfaces in patterns, governed by the structure of the surface, the chemical nature of the adsorbate, and the adsorbate coverage at the surface. The surface is patterned and then marked or imprinted with the pattern by inducing localized chemical reaction between adsorbate molecules and the surface of the solid, resulting in an imprint being formed in the vicinity of the adsorbate molecules. In one aspect of the invention, photoinduced reaction of the patterned adsorbate leads to patterned photoreaction with the surface.Type: GrantFiled: November 12, 1997Date of Patent: December 5, 2000Assignees: John C. Polanyi, Duncan RogersInventors: John C. Polanyi, Duncan Rogers
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Patent number: D571625Type: GrantFiled: March 9, 2007Date of Patent: June 24, 2008Assignee: Sanmet LimitedInventors: Duncan Roger Donald, Rebecca Elizabeth Donald, John Robinson
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Patent number: D613135Type: GrantFiled: January 22, 2009Date of Patent: April 6, 2010Assignee: Sanmet LimitedInventors: Duncan Roger Donald, Rebecca Elizabeth Donald, John Robinson
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Patent number: D621669Type: GrantFiled: February 25, 2010Date of Patent: August 17, 2010Assignee: Sanmet LimitedInventors: Duncan Roger Donald, Rebecca Elizabeth Donald, John Robinson