Patents Assigned to Porex Corporation
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Patent number: 8920339Abstract: The present invention provides a liquid sampling, storage, transfer and delivery device comprising housing containing a porous nib. The porous nib in the device contacts the sample, collects the sample, stores the sample, transports the sample inside its porous matrix and releases the sample from the porous matrix upon demand.Type: GrantFiled: April 18, 2012Date of Patent: December 30, 2014Assignee: Porex CorporationInventors: Guoqiang Mao, James P. Wingo
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Patent number: 8852122Abstract: The present invention provides a liquid sampling, storage, transfer and delivery device comprising housing containing a porous nib. The porous nib in the device contacts the sample, collects the sample, stores the sample, transports the sample inside its porous matrix and releases the sample from the porous matrix upon demand.Type: GrantFiled: April 16, 2014Date of Patent: October 7, 2014Assignee: Porex CorporationInventors: Guoqiang Mao, James P. Wingo
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Publication number: 20140296805Abstract: The present invention provides a porous non mechanical valve which retards or prevents the passage of bodily fluids and is resistant to being occluded or blocked by exposure to the surgical fumes or aerosols encountered during surgical procedures.Type: ApplicationFiled: November 1, 2012Publication date: October 2, 2014Applicant: POREX CORPORATIONInventors: Michael Arthur, Guoqiang Mao
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Publication number: 20140249451Abstract: The present invention provides a liquid sampling, storage, transfer and delivery device comprising housing containing a porous nib. The porous nib in the device contacts the sample, collects the sample, stores the sample, transports the sample inside its porous matrix and releases the sample from the porous matrix upon demand.Type: ApplicationFiled: April 16, 2014Publication date: September 4, 2014Applicant: POREX CORPORATIONInventors: Guoqiang Mao, James P. Wingo
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Publication number: 20140234891Abstract: This application discloses cards comprising sintered porous plastic which may be employed in liquid sample collection, storage, transport and/or delivery to an analytical device. Sintered porous plastic materials provide a unique porous structure, an inert substrate, precise liquid holding capability, are quick drying, and easy to cut and handle.Type: ApplicationFiled: April 16, 2014Publication date: August 21, 2014Applicant: POREX CORPORATIONInventors: Guoqiang Mao, James P. Wingo
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Publication number: 20140217032Abstract: This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.Type: ApplicationFiled: March 25, 2014Publication date: August 7, 2014Applicant: POREX CORPORATIONInventor: Guoqiang MAO
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Publication number: 20140205272Abstract: This invention relates to a conductive composite wick comprising a porous wicking element coupled a conductive element for releasing vaporizable materials from devices such as an air freshener device or insect control system.Type: ApplicationFiled: August 13, 2012Publication date: July 24, 2014Applicant: POREX CORPORATIONInventors: William Graham Midgette, Guoqiang Mao, Timothy Martin, Edward Jino Kim, Christopher Lynch
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Publication number: 20140188089Abstract: The present application provides a device and methods of making and using these devices. The devices comprise porous caps and porous vents made from sintered porous polymeric media comprising plastic particles, elastomeric particles or a combination thereof. These devices are used with medical devices or components thereof to provide ease of use, resistance to infection, sterilization and venting.Type: ApplicationFiled: December 27, 2013Publication date: July 3, 2014Applicant: POREX CORPORATIONInventors: William G. Midgette, GuoQiang Mao, Avi Robbins, Jack Chan
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Patent number: 8690981Abstract: This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.Type: GrantFiled: June 5, 2012Date of Patent: April 8, 2014Assignee: Porex CorporationInventor: Guoqiang Mao
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Publication number: 20140018701Abstract: The present invention provides a liquid sampling, storage, transfer and delivery device comprising housing containing a porous nib. The porous nib in the device contacts the sample, collects the sample, stores the sample, transports the sample inside its porous matrix and releases the sample from the porous matrix upon demand.Type: ApplicationFiled: April 18, 2012Publication date: January 16, 2014Applicant: POREX CORPORATIONInventors: Guoqiang Mao, James P. Wingo
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Publication number: 20140017693Abstract: This application discloses cards comprising sintered porous plastic which may be employed in liquid sample collection, storage, transport and/or delivery to an analytical device. Sintered porous plastic materials provide a unique porous structure, an inert substrate, precise liquid holding capability, are quick drying, and easy to cut and handle.Type: ApplicationFiled: April 18, 2012Publication date: January 16, 2014Applicant: POREX CORPORATIONInventors: Guoqiang Mao, James P. Wingo
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Patent number: 8628843Abstract: The present invention provides sintered composite polymeric materials and methods of making and using the same. The sintered composite polymeric materials are made by sintering composite particles comprising a polytetrafluoroethylene component and a carbonaceous component, wherein the carbonaceous component is dispersed throughout the polytetrafluoroethylene component.Type: GrantFiled: October 23, 2009Date of Patent: January 14, 2014Assignee: Porex CorporationInventor: Andrew James MacLennan
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Publication number: 20130203089Abstract: The present invention relates to an adapter containing a filter that can be used with pipetting devices, particularly robotic pipetting devices, to efficiently connect the pipetting device to pipette tips with minimal distortion of the pipette tip. The present invention also relates to a process and a system of using an adapter containing a filter that can be used with pipetting devices, particularly robotic pipetting devices, to assemble the adapter together with an unfiltered pipette tip on the site of application. The adapter and pipette tip are each stackable for saving space at the work station.Type: ApplicationFiled: September 21, 2011Publication date: August 8, 2013Applicant: Porex CorporationInventors: James P. Wingo, Tim Meredith, Edward M. Kaucic, Timothy Martin, Guoqiang Mao
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Patent number: 8349400Abstract: Methods of making porous composite materials are provided. These methods involve providing a sintered porous first polymeric material, providing a solution containing a second polymeric material dissolved in a solvent, and, depositing the solution onto the sintered porous first polymeric material to form a precipitated porous second polymeric material wherein a portion of the second polymeric material is fused to the sintered, porous first polymeric material by at least one direct physical bond, and the second polymeric material is in at least some of the pores of the first polymeric material. In some methods, the first polymeric material and the second polymeric material are soluble in the same solvent.Type: GrantFiled: October 14, 2010Date of Patent: January 8, 2013Assignee: Porex CorporationInventors: Thomas H. Ramsey, Jerry Dean Raney, Jacob Shorr, Guoqiang Mao
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Publication number: 20120318139Abstract: This application discloses porous self-sealing media comprising a sintered mixture of an absorbent material and a thermoplastic. The self-sealing media block passage of organic solvents or organic solvents in aqueous mixtures, wherein the organic solvents are at concentrations greater than about 40%. The self-sealing media also block acidic solutions. The self-sealing media are useful in a variety of applications such as a pipette tip filter, in line filter, vent, non-mechanical check valve, safety valve, and suction canister.Type: ApplicationFiled: June 5, 2012Publication date: December 20, 2012Applicant: Porex CorporationInventor: Guoqiang Mao
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Patent number: 8187534Abstract: The present invention provides porous barrier compositions comprising color change indicators and methods of making and using the same.Type: GrantFiled: February 12, 2008Date of Patent: May 29, 2012Assignee: Porex CorporationInventor: Guoqiang Mao
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Patent number: 8141717Abstract: The present invention provides sintered polymeric materials and methods of making the same which are useful in a variety of applications. In one embodiment, the present invention provides a sintered polymeric material comprising at least one plastic and at least one elastomer.Type: GrantFiled: August 20, 2007Date of Patent: March 27, 2012Assignee: Porex CorporationInventors: James P. Wingo, Michael E. Witover, Guoqiang Mao, Andre Maertens, Gerald Kunth, Daniel George Fullerton, Ike Iaokim Haldopoulos, Take Huat Tan, Deborah B. Reed
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Publication number: 20110198301Abstract: Disclosed herein are modular filter assemblies having a plurality of stacked filter plates formed from a porous material. The filter plate can comprise a planar base portion from which a convoluted ridge wall, having a ridge outer side surface, a ridge inner surface, and a top ridge surface extends. A plurality of fluid inlet troughs and a plurality if fluid outlet troughs are defined by the ridge wall. Adjoining filter plates form a plurality of fluid inlet cavities defined by the fluid inlet trough of one filter plate and a portion of the bottom surface of the adjoining filter plate; and a plurality of fluid outlet cavities defined by the fluid outlet trough of the one filter plate and a portion of the bottom surface of the adjoining filter plate. In use, the plurality of fluid inlet cavities are in filtered communication with the plurality of fluid outlet cavities.Type: ApplicationFiled: April 25, 2011Publication date: August 18, 2011Applicant: Porex CorporationInventors: Dean Haldopoulos, Benjamin Hirokawa
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Patent number: 7985343Abstract: Disclosed herein are modular filter assemblies having a plurality of stacked filter plates formed from a porous material. The filter plate can comprise a planar base portion from which a convoluted ridge wall, having a ridge outer side surface, a ridge inner surface, and a top ridge surface extends. A plurality of fluid inlet troughs and a plurality if fluid outlet troughs are defined by the ridge wall. Adjoining filter plates form a plurality of fluid inlet cavities defined by the fluid inlet trough of one filter plate and a portion of the bottom surface of the adjoining filter plate; and a plurality of fluid outlet cavities defined by the fluid outlet trough of the one filter plate and a portion of the bottom surface of the adjoining filter plate. In use, the plurality of fluid inlet cavities are in filtered communication with the plurality of fluid outlet cavities.Type: GrantFiled: May 31, 2007Date of Patent: July 26, 2011Assignee: Porex CorporationInventors: Dean Haldopoulos, Benjamin Hirokawa
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Publication number: 20110033617Abstract: The invention provides composite porous materials in which a second material is fused to and/or is in the pores and/or is fused directly to some of the pore walls of a porous first material. The invention also provides methods of filtering a fluid using these composite porous materials and methods of manufacturing the composite porous materials.Type: ApplicationFiled: October 14, 2010Publication date: February 10, 2011Applicant: Porex Corporation, Inc.Inventors: Thomas H. Ramsey, Jerry Dean Raney, Jacob Shorr, Guoqiang Mao