Patents Assigned to W. L. Gore & Associates G.K.
  • Patent number: 11715839
    Abstract: Embodiments are directed to composite membranes having a microporous polymer structure, and an ion exchange material forming a continuous ionomer phase within the composite membrane. The continuous ionomer phase refers to absence of any internal interfaces in a layer of ionomer or between any number of layers coatings of the ion exchange material provided on top of one another. The composite membrane exhibits a haze change of 0% or less after being subjected to a blister test procedure. No bubbles or blisters are formed on the composite membrane after the blister test procedure. A haze value of the composite membrane is between 5% and 95%, between 10% and 90% or between 20% and 85%. The composite membrane may have a thickness of more than 17 microns at 0% relative humidity.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: August 1, 2023
    Assignees: W. L. Gore & Associates, Inc., W. L. Gore & Associates G.K.
    Inventors: Alexander Agapov, Takeyuki Suzuki
  • Patent number: 11672292
    Abstract: Described are flame resistant composite articles and methods for making and using. A flame resistant composite article is described comprising a facial layer, a meltable layer, a heat reactive material, and an inner layer that provide lightweight flame resistance and can accommodate printing and a large number of appearance options.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: June 13, 2023
    Assignee: W. L. Gore & Associates G.K.
    Inventor: Hiroki Sadato
  • Patent number: 11667101
    Abstract: Provided is a laminated body, said laminated body being a laminated cloth the back surface of which has excellent properties against tangling and abrasion and good separability from the skin and which has a good texture and a favorable appearance and is comfortable to wear when made into clothing. The laminated cloth includes a front surface layer, a middle layer and a back surface layer, said layers being stacked one on another, wherein: the front surface layer comprises one member selected from the group consisting of a woven fabric, a knitted fabric and a non-woven fabric; the middle layer comprises a resin film or a non-woven fabric; and the back surface layer comprises a circular knitted fabric in which filament yarn of 60 dtex or less is used at least in part thereof and which is configured from knitting stitches and tack stitches, 9 to 72 said tack stitches being disposed per area of 12 wales×12 courses.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: June 6, 2023
    Assignee: W. L. Gore & Associates G.K.
    Inventors: Yuichiro Nozaki, Satoshi Kobayashi
  • Patent number: 11589144
    Abstract: A protective cover assembly is disclosed that comprises a porous expanded membrane having a plurality of pores, a first surface and a second surface opposite the first surface. The porous expanded membrane comprises an active area and a bonded area. The bonded area comprises an adhesive material that forms a bridge extending through the plurality of pores in the bonded area from the first surface to the second surface. The adhesive material in the bonded area improves the Z-strength and allows the porous expended membrane to be a lightweight material having a mass/area ratio of less than or equal to 3 g/m2.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: February 21, 2023
    Assignees: W. L. Gore & Associates, Inc., W. L. Gore & Associates G.K.
    Inventors: Ryan Kenaley, Ryosuke Nakamura, Dustin Perrin
  • Patent number: 11452972
    Abstract: The objective of the present invention is to provide a precision filter which is suitable for filtering a circuit board production process liquid, which is extremely excellent in the resistance to both a strongly acidic cleaning liquid and a strongly alkaline cleaning liquid and which is extremely excellent in the capability of removing an extremely fine foreign substance. Also, the objective of the present invention is to provide a precision filter cartridge which is used for a circuit board production process liquid and which includes the precision filter. Further, the objective of the present invention is to provide a method for producing a circuit board using the process liquid filtered by the precision filter for a circuit board production process liquid or the precision filter cartridge for a circuit board production process liquid.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: September 27, 2022
    Assignee: W. L. Gore & Associates G.K.
    Inventors: Tomoka Ogura, Hidesato Mano
  • Patent number: 11456476
    Abstract: The present invention relates to a roll construction of laminated material that inhibits delamination of the polymer layer from a backer film upon unwinding of the roll construction. Particularly, aspects of the present invention are directed to a roll construction of laminated material prepared by a process that includes providing the laminated material having an ion-exchange resin layer, a release film, and a base layer, and feeding the laminated material to a roller to generate the roll of the laminated material. The laminated material is fed to the roller such that a first layer of the laminated material wound around the core includes the inner surface of the base layer of the first layer contacting an outer surface of the core.
    Type: Grant
    Filed: July 20, 2017
    Date of Patent: September 27, 2022
    Assignees: W. L. Gore & Associates, Inc, W. L. Gore & Associates G. K.
    Inventors: Alexander Agapov, Andrew M. Marlett, Takeyuki Suzuki
  • Patent number: 11421327
    Abstract: Provided are a water electrolysis method and a water electrolysis device in which mixing of the generated hydrogen and oxygen is greatly reduced and which have a high electrolysis efficiency, while being simplified in structure. In the water electrolysis method and water electrolysis device, water is electrolyzed by supplying water to the cathode side of an electrolytic membrane including a solid polymer membrane provided with a catalyst layer on a surface thereof and creating a potential difference between both surfaces of the electrolytic membrane. The temperature-controlled water is supplied only to the cathode side of the electrolytic membrane, while controlling the difference in pressure between both surfaces of the electrolytic membrane to 50 kPa or less.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: August 23, 2022
    Assignees: JAPAN AEROSPACE EXPLORATION AGENCY, HITACHI ZOSEN CORPORATION, W.L. GORE & ASSOCIATES G.K.
    Inventors: Yoshitsugu Sone, Masato Sakurai, Naoki Sato, Hirohisa Umemoto, Tetsuya Yoshida, Wataru Ishida, Hiroyoshi Fujimoto
  • Patent number: 11380927
    Abstract: Embodiments are directed to composite membranes having: increased volume of the microporous polymer structure relative to the total volume of the PEM; decreased permeance and thus increased selectivity; and lower ionomer content. An increased amount of polymers of the microporous polymer structure is mixed with a low equivalent weight ionomer (e.g., <460 cc/mole eq) to obtain a composite material having at least two distinct materials. Various embodiments provide a composite membrane comprising a microporous polymer structure that occupies from 13 vol % to 65 vol % of a total volume of the composite membrane, and an ionomer impregnated in the microporous polymer structure. The acid content of the composite membrane is 1.2 meq/cc to 3.5 meq/cc, and/or the thickness of the composite membrane is less than 17 microns. The selectivity of the composite membrane is greater than 0.05 MPa/mV, based on proton conductance and hydrogen permeance.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: July 5, 2022
    Assignees: W. L. Gore & Associates, Inc., W. L. Gore & Associates G.K.
    Inventors: Takeyuki Suzuki, Alexander Agapov, Mark Edmundson
  • Publication number: 20220013819
    Abstract: Provided is a catalyst device for a lead-acid battery, the catalyst device being capable of reducing gas release from an electrolyte solution and a decrease in electrolyte solution due to the leakage, thus providing a lead-acid battery having a long life, and being capable of ensuring safety even in excessive flow of gas. Also provided is a lead-acid battery including the catalyst device. A catalyst device for a lead-acid battery, including: a catalyst layer including a catalyst to accelerate a reaction for generating water or water vapor from oxygen and hydrogen; and a porous membrane including thermoplastic resin having a melting point or a glass transition temperature of 160° C. or less, and wherein at least one surface of the catalyst layer is in contact with the porous membrane, and the porous membrane has a planar size being equal to or greater than that of the catalyst layer. Also a lead-acid battery including the catalyst device.
    Type: Application
    Filed: November 26, 2018
    Publication date: January 13, 2022
    Applicant: W. L. GORE & ASSOCIATES G.K.
    Inventor: Kotaro Kobayashi
  • Patent number: 11139513
    Abstract: Provided is a catalyst part for a lead-acid battery, the catalyst part being capable of reducing gas release from an electrolyte solution and a decrease in electrolyte solution due to the leakage, thus providing a lead-acid battery having a long life. Also provided are a ventilation filter, a ventilation plug, and a lead-acid battery each including the catalyst part. A catalyst part for a lead-acid battery, including a catalyst layer including a catalyst to accelerate a reaction for generating water or water vapor from oxygen and hydrogen, and an arrangement through which at least part of the water or water vapor is condensed and/or flowed back to the inside of the battery.
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: October 5, 2021
    Assignee: W. L. Gore & Associates G.K.
    Inventor: Kotaro Kobayashi