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    DISINFECTION SYSTEM AND METHODS USING NITRIC ACID VAPOR
    13.
    发明申请
    DISINFECTION SYSTEM AND METHODS USING NITRIC ACID VAPOR 有权

    公开(公告)号：US20210093739A1

    公开(公告)日：2021-04-01

    申请号：US15733243

    申请日：2018-12-26

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Caleb T. Nelson ,  Drew M. Williamson ,  Assumpta A.G. Bennaars-Eiden

    IPC: A61L2/20 ,  A61L2/26 ,  A61B1/12

    Abstract: A disinfection system including an enclosed chamber and a source of a disinfecting vapor connected to the enclosed chamber, wherein the disinfecting vapor includes nitric acid. Methods of disinfecting a contaminated article are also described, the methods including placing the contaminated article within an enclosed chamber of a disinfection system and exposing the contaminated article within the enclosed chamber to a source of a disinfecting vapor including nitric acid for an exposure time sufficient to disinfect the contaminated article by achieving a reduction in colony forming units of the disinfected contaminated article relative to the contaminated article. Exposing the contaminated article within the enclosed chamber to the source of the disinfecting vapor may include alternately exposing the contaminated article to the disinfecting vapor for a first time interval, and exposing the contaminated article to a water vapor for a second time interval.

    PLASMA STERILIZATION AND DRYING SYSTEM AND METHODS
    14.
    发明申请
    PLASMA STERILIZATION AND DRYING SYSTEM AND METHODS 审中-公开

    公开(公告)号：US20200316239A1

    公开(公告)日：2020-10-08

    申请号：US15733310

    申请日：2018-12-26

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Sarah J. Davis ,  Caleb T. Nelson ,  Jodi L. Connell ,  Joshua D. Erickson ,  Jeffrey D. Smith ,  Jay R. Goetz ,  Nicholas R. Powley ,  Matthew T. Scholz

    IPC: A61L2/14 ,  A61L2/26 ,  H01J37/32

    Abstract: A system and methods for sterilizing and drying contaminated articles, particularly medical articles, and more particularly the hollow internal areas of medical instruments or lumens of medical endoscopes. The system includes a plasma generator having an electrode, a shield, and a dielectric gap between the electrode and the shield. A source of electrical power connected to the plasma generator applies an electrode energy density between the electrode and the shield. A source of a sterilizing gas precursor provides a flow of the sterilizing gas precursor through the plasma generator to generate a plasma, thereby forming a sterilizing gas including acidic and/or oxidizing species. The contaminated article is exposed to the sterilizing gas for a time sufficient to achieve a desired degree of sterilization. A turbulent flow of a drying gas is used to dry the contaminated article alternately with the exposure of the contaminated article to the sterilizing gas.

    OPTICAL SYSTEM INCLUDING LIGHT CONTROL FILM AND FRESNEL LENS
    17.
    发明公开
    OPTICAL SYSTEM INCLUDING LIGHT CONTROL FILM AND FRESNEL LENS 审中-公开

    公开(公告)号：US20240276851A1

    公开(公告)日：2024-08-15

    申请号：US18643225

    申请日：2024-04-23

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Tao Liu ,  Gary T. Boyd ,  Daniel J. Schmidt ,  Caleb T. Nelson ,  Owen M. Anderson ,  Tri D. Pham ,  Encai Hao ,  Shu-Ching Fan

    IPC: H10K59/80 ,  G02B3/08

    CPC classification number: H10K59/879 ,  G02B3/08

    Abstract: An optical system includes an optical film curved about a first axis and a light control film curved about the first axis. The light control film can be disposed between a light source and the optical film. The optical film includes a microstructured first major surface and an opposing second major surface. The microstructured first major surface defines a linear Fresnel lens including a plurality of Fresnel elements extending longitudinally along the first axis. The first major surface of the optical film faces the light control film. The light control film can include a plurality of alternating optically transmissive and optically absorptive regions extending longitudinally along the first axis such that in a cross-section orthogonal to the first axis, for at least a majority of the optically transmissive regions, a centerline between adjacent optically absorptive regions is substantially normal to a major surface of the light control film.

    Optical system including light control film and fresnel lens
    18.
    发明授权
    Optical system including light control film and fresnel lens 有权

    公开(公告)号：US12004410B2

    公开(公告)日：2024-06-04

    申请号：US17768421

    申请日：2020-10-29

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Tao Liu ,  Gary T. Boyd ,  Daniel J. Schmidt ,  Caleb T. Nelson ,  Owen M. Anderson ,  Tri D. Pham ,  Encai Hao ,  Shu-Ching Fan

    IPC: G02B3/08 ,  H10K59/80

    CPC classification number: H10K59/879 ,  G02B3/08

    Abstract: An optical system includes a light source, an optical film curved about a first axis, and a light control film curved about the first axis and disposed between the light source and the optical film. The optical film includes a microstructured first major surface and an opposing second major surface. The microstructured first major surface defines a linear Fresnel lens including a plurality of Fresnel elements extending longitudinally along the first axis. The first major surface of the optical film faces the light control film. The light control film includes a plurality of alternating optically transmissive and optically absorptive regions extending longitudinally along the first axis such that in a cross-section orthogonal to the first axis, for at least a majority of the optically transmissive regions, a centerline between adjacent optically absorptive regions is substantially normal to a major surface of the light control film.

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