Patents by Inventor Guoqiang Mao

Guoqiang Mao 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).

  • Publication number: 20220267492
    Abstract: A modified film-forming resin containing an acid inhibitor is formed by polymerizing a film-forming resin monomer and an acid inhibitor monomer. The modified film-forming resin includes film-forming functional groups and acid inhibitor functional groups, so that the modified film-forming resin can be used as a matrix resin, and has an acid inhibition effect: wherein n in the general formula (I) is 5-200. A preparation method for the modified film-forming resin and a photoresist composition of the modified film-forming resin are also provided. When the modified film-forming resin is applied to the photoresist composition, components of the photoresist composition are uniformly dispersed, so that stable photolithography performance of a photoresist can be ensured, resolution and line width roughness of the photoresist are effectively ensured and improved, and film-forming ability is good, thereby effectively avoiding undesirable phenomena such as embrittlement and peeling of a photoresist film.
    Type: Application
    Filed: April 27, 2022
    Publication date: August 25, 2022
    Applicants: NINGBO NATA OPTO-ELECTRONIC MATERIAL CO., LTD., JIANGSU NATA OPTO- ELECTRONIC MATERIAL CO., LTD.
    Inventors: Dagong GU, Guoqiang QI, Shaoshan YU, Ling CHEN, Dongsheng XU, Tao FANG, Zhibiao MAO, Chongying XU
  • Publication number: 20220238016
    Abstract: A multi-geomagnetic sensor speed measurement system comprises a geomagnetic vehicle detection module, a data transmission module, a data reception module and a backend data processing module. When measuring, the geomagnetic vehicle detection module collects the geomagnetic data when the vehicle passes and processes it to obtain temporal data; the backend processing module receives the data for data cleaning; the backend processing module selects the reference sensors and opens individual time windows; the backend processing module processes the temporal data based on the number of temporal data in the time window; in the case of duplicate-detection, a measurement threshold ? is set and the temporal data is merged based on the threshold ?; in the case of mis-detection, the data is interpolated to make up for the mis-detection; based on the alignment result, a minimum variance method is used to estimate the speed of the vehicle.
    Type: Application
    Filed: July 30, 2020
    Publication date: July 28, 2022
    Inventors: Changle LI, Zhiqiang CHEN, Guoqiang MAO, Yilong HUI, Yuexu CHEN
  • Publication number: 20220234985
    Abstract: The preparation method for the diester structure monomer includes the following steps: dissolving glycolate in a reaction solvent to prepare a glycolate solution; mixing the glycolate solution with triethylamine in a protective atmosphere, and cooling to form a mixture; and keeping the protective atmosphere unchanged, and adding the methacryloyl chloride to the mixture for esterification to generate a diester structure monomer. The diester structure monomer generated by the preparation method for the diester structure monomer has a long diester side chain and a group with a small volume and high acid sensitivity. As a result, a resin synthesized from the diester structure monomer has good adhesive force and film-forming property, high deprotection efficiency and plasticity, and the hardness and brittleness of the resin are improved. Moreover, the prepared diester acid protected structure monomer has the advantages of high yield, low by-product content and easy separation and purification.
    Type: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Applicant: NINGBO NATA OPTO-ELECTRONIC MATERIAL CO., LTD.
    Inventors: Shaoshan YU, Dagong GU, Dongsheng XU, Tao FANG, Guoqiang QI, Xiao MA, Zhibiao MAO, Chongying XU
  • Publication number: 20210370706
    Abstract: The instant disclosure is directed to a heterogeneous fiber fluid reservoir for holding and delivering fluid. A reservoir may comprise a rod having a core component and a surrounding component. Each of the core component and the surrounding component may comprise fibers. The core component may have a first property, and the surrounding component may have a second property different from the first property, or the core component and the surrounding component may each have a different value or range of values for the same property. Alternatively, a reservoir may comprise a rod that includes fibers and has a cross-sectional diameter. At least one property of the rod may vary in value along the cross-sectional diameter of the rod. The property may include, for example, fiber bulk density, fiber diameter, fiber material, fiber morphology, fiber surface tension, capillary force, fluid absorption capacity, color, or combinations thereof.
    Type: Application
    Filed: September 20, 2019
    Publication date: December 2, 2021
    Inventors: David Bradley Harris, Kevin Sporrer, Janie Wierzbicki, Ronald Eugene Billups, Yelena Rogova, Thomas E. Harris, Qiang Zhou, Timothy Allen Martin, Xingguo Li, Guoqiang Mao
  • Publication number: 20210350699
    Abstract: The invention discloses a method for vehicle classification using multiple geomagnetic sensors, which mainly solves the problems of high cost, complex processing process and difficulty in large-scale deployment of the existing vehicle classification methods.
    Type: Application
    Filed: January 21, 2021
    Publication date: November 11, 2021
    Inventors: Changle Li, Yunpeng Wang, Guoqiang Mao, Yilong Hui, Zhiqiang Chen, Zhen Liu, Yuexu Chen
  • Patent number: 11141951
    Abstract: The present application provides devices and methods of making and using these devices. The devices comprise a sintered porous polymeric material, a porous membrane attached to at least a portion of the sintered porous polymeric material, and optionally a housing which surrounds at least a portion of the sintered porous polymeric material. The devices can be used for sample collection, purification and transfer.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: October 12, 2021
    Assignee: Porex Corporation
    Inventors: Guoqiang Mao, Kyle Thomas Harris, Katlin Marie Lumme, Jeffrey John Williams
  • Publication number: 20210041473
    Abstract: The present application provides robotic liquid handling and assay systems which can selectively and efficiently insert porous media into liquid handling devices, particularly into pipette tips.
    Type: Application
    Filed: March 28, 2019
    Publication date: February 11, 2021
    Inventors: Maria DeCapua Dicioccio, Guoqiang Mao
  • Patent number: 10881591
    Abstract: The instant disclosure relates to an integral porous fiber media with distinguishable distribution of fiber density, fiber diameter and capillary force. The instant disclosure further relates to a fiber porous media that includes multiple density portions. The disclosed media is a single piece, such that the different density portions are not separable. The disclosed media provides improved liquid delivery properties for a specific liquid delivery device.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: January 5, 2021
    Assignee: POREX TECHNOLOGIES CORPORATION
    Inventors: David Harris, Yelena Rogova, Qiang Zhou, Guoqiang Mao
  • Publication number: 20200282351
    Abstract: The present disclosure provides small diameter tubular porous fiber filters. These tubular porous fiber filters have many uses including but not limited a filtration medium for removing particles of 5 microns or less from liquid or air.
    Type: Application
    Filed: September 7, 2018
    Publication date: September 10, 2020
    Inventors: Nicole Elizabeth Morris-Anastasi, Michael Andrew Clendenning, Michael W. Spencer, Qiang Zhou, Guoqiang Mao
  • Publication number: 20200069029
    Abstract: The present application provides sintered porous elastomeric liquid applicators with or without flocking fibers that provide improved liquid and gel delivery properties and a comfortable experience for the user of the applicators when applying liquid to a surface, such as skin.
    Type: Application
    Filed: February 19, 2018
    Publication date: March 5, 2020
    Inventors: Thomas Oliver Knight, III, Saman Mahdavi Shahidani, Garland Timberlake Meredith, Xingguo Li, Timothy Martin, Avi Melech Robbins, Guoqiang Mao
  • Publication number: 20200061307
    Abstract: The present invention provides infusion devices, such as intravascular (IV) devices, comprising a hydrophilic sintered porous plastic filter or a hydrophilic porous fiber filter which are effective at stopping or greatly reducing transmission of air through the filter.
    Type: Application
    Filed: May 15, 2018
    Publication date: February 27, 2020
    Inventors: Guoqiang Mao, Jack Cam Chan
  • Patent number: 10238777
    Abstract: 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: Grant
    Filed: November 1, 2012
    Date of Patent: March 26, 2019
    Assignee: Porex Corporation
    Inventors: Michael Arthur, Guoqiang Mao
  • Publication number: 20180360697
    Abstract: The instant disclosure relates to an integral porous fiber media with distinguishable distribution of fiber density, fiber diameter and capillary force. The instant disclosure further relates to a fiber porous media that includes multiple density portions. The disclosed media is a single piece, such that the different density portions are not separable. The disclosed media provides improved liquid delivery properties for a specific liquid delivery device.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 20, 2018
    Applicant: POREX CORPORATION
    Inventors: David HARRIS, Yelena Rogova, Qiang Zhou, Guoqiang Mao
  • Publication number: 20180036994
    Abstract: The present application provides devices and methods of making and using these devices. The devices comprise a sintered porous polymeric material, a porous membrane attached to at least a portion of the sintered porous polymeric material, and optionally a housing which surrounds at least a portion of the sintered porous polymeric material. The devices can be used for sample collection, purification and transfer.
    Type: Application
    Filed: February 18, 2016
    Publication date: February 8, 2018
    Inventors: Guoqiang Mao, Kyle Thomas Harris, Katlin Marie Lumme, Jeffrey John Williams
  • Patent number: 9696241
    Abstract: 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: Grant
    Filed: August 11, 2016
    Date of Patent: July 4, 2017
    Assignee: POREX CORPORATION
    Inventors: Guoqiang Mao, James P. Wingo
  • Patent number: 9533136
    Abstract: 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: Grant
    Filed: December 27, 2013
    Date of Patent: January 3, 2017
    Assignee: Porex Corporation
    Inventors: William G. Midgette, GuoQiang Mao, Avi Robbins, Jack Chan
  • Publication number: 20160349153
    Abstract: 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: Application
    Filed: August 11, 2016
    Publication date: December 1, 2016
    Applicant: Porex Corporation
    Inventors: Guoqiang Mao, James P. Wingo
  • Patent number: 9370731
    Abstract: 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: Grant
    Filed: March 25, 2014
    Date of Patent: June 21, 2016
    Assignee: Porex Corporation
    Inventor: Guoqiang Mao
  • Patent number: 9346046
    Abstract: The present invention provides sintered porous plastic plugs for use in filtered serological pipettes which facilitate manufacture or assembly of the filtered serological pipettes. In one embodiment, a sintered porous plastic plug of the present invention comprises plastic and a cylindrical body, a first end and a second end, the first end having a cross-sectional area less than the cross-sectional area of the cylindrical body, and the second end having a cross-sectional area less than the cross-sectional area of the cylindrical body.
    Type: Grant
    Filed: March 5, 2013
    Date of Patent: May 24, 2016
    Assignee: Porex Corporation
    Inventors: Edward Jino Kim, Christopher Lynch, Shivananada Patrick, Guoqiang Mao
  • Publication number: 20160135657
    Abstract: Embodiments of the present disclosure relate generally to porous devices that are useful for various cleaning purposes or other uses. The devices may be formed with, impregnated with, pre-wetted with, or otherwise associated with one or more agents, such as a dental treatment agent, a nail treatment agent, a disinfectant, a lubricant, or any other cleaning agent. The devices may find particular use for cleaning somewhat delicate areas, such as gum tissues, nail cuticle beds, electronic devices, or any other uses that benefit from a self-supporting structure that can withstand pressure but that also benefit from a resilient treatment surface.
    Type: Application
    Filed: October 16, 2015
    Publication date: May 19, 2016
    Inventors: Guoqiang Mao, Michael Arthur, Jerry Dean Raney