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    FAST CURABLE CRASH RESISTANT ADHESIVE COMPOSITION
    21.
    发明申请
    FAST CURABLE CRASH RESISTANT ADHESIVE COMPOSITION 有权

    公开(公告)号：US20250101281A1

    公开(公告)日：2025-03-27

    申请号：US18725500

    申请日：2022-12-28

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Melanie Reichinger ,  Anna Kahrau ,  Ralf Krebs ,  Hans Emanuel Gollnick

    IPC: C09J163/10 ,  C08G59/60 ,  C08K3/34

    Abstract: The present disclosure provides a curable adhesive composition precursor, comprising a first part (A) comprising (i) at least one first epoxy curing agent selected from diamines: (ii) at least one second epoxy curing agent selected from phenalkamides and/or phenalkamines: (iii) at least one first curing aid selected from metal salt hydrates: (iv) at least one second curing aid selected from phenolic amines: a second part (B) comprising (i) at least one epoxy resin: (ii) at least one first impact modifier; (iii) at least one second impact modifier different from the at least one first impact modifier: (iv) at least one amphoteric corrosion inhibitor selected from phosphonate compounds and phosphosilicate compounds.

    PROTECTION CIRCUIT, METHOD FOR PROTECTING ELECTRICAL LOAD, AND SYSTEM
    23.
    发明申请
    PROTECTION CIRCUIT, METHOD FOR PROTECTING ELECTRICAL LOAD, AND SYSTEM 有权

    公开(公告)号：US20250096554A1

    公开(公告)日：2025-03-20

    申请号：US18883838

    申请日：2024-09-12

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Adam R. Krause

    IPC: H02H3/20 ,  H02H9/02

    Abstract: A protection circuit for use with a power source includes a Zener diode, a first resistor, and a second resistor, which together define its maximum voltage threshold. The power source is configured to provide an input voltage to an electrical load. The protection circuit further includes a shorting device and a current-limiting safety device. When the input voltage is less than the maximum voltage threshold, the shorting device is maintained in an off-state, causing the input voltage to be provided to the electrical load. When the input voltage is greater than or equal to the maximum voltage threshold, the shorting device switches to the on-state and electrically shorts the power source to a ground, causing the current-limiting safety device to break an electrical connection between the power source and an input point electrically connected to the electrical load, such that the electrical load is electrically disconnected from the power source.

    Transparent antenna stack and assembly
    27.
    发明授权
    Transparent antenna stack and assembly 有权

    公开(公告)号：US12255402B2

    公开(公告)日：2025-03-18

    申请号：US17449469

    申请日：2021-09-30

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Stephen P. LeBlanc ,  Jeffrey A. Tostenrude ,  Gregory L Abraham ,  Vicki L Richmond

    IPC: H01Q1/38 ,  H01Q9/04 ,  H01Q9/28 ,  H01Q9/40 ,  H01Q21/28

    Abstract: An optically transparent antenna stack includes at least two stacked optically transparent antennas. Each antenna includes an electrically conductive metal mesh including a plurality of interconnected electrically conductive metal traces defining a plurality of enclosed open areas. The metal mesh of each antenna and each lead has a percent open area greater than about 50%. The at least two stacked optically transparent antennas includes a first antenna configured to operate over a first, but not a second, frequency band and a second antenna configured to operate over the second, but not the first, frequency band. The optically transparent antenna stack has an optical transmission of at least about 50% for at least one wavelength in a wavelength range from about 450 nm to about 600 nm.

    Data center infrastructure optimization method based on causal learning
    28.
    发明授权
    Data center infrastructure optimization method based on causal learning 有权

    公开(公告)号：US12253928B2

    公开(公告)日：2025-03-18

    申请号：US17289983

    申请日：2019-11-20

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Gilles J. Benoit

    IPC: G06F11/30 ,  G05B13/02 ,  G05B15/02 ,  G06F1/20 ,  G06F11/34 ,  G06N7/01 ,  H05K7/20

    Abstract: Methods for active data center management by injecting randomized controlled signals in the operational controls of the cooling infrastructure of the data center and receiving response signals corresponding with the injected signals. The injected signals are used to adjust the operational controls of the cooling infrastructure, and the response signals relate to the operational conditions in the data center. Based upon the response signals along with independent and external variables, the randomized signals are continually injected into the cooling infrastructure and fine-tuned based upon the response signals. Optimum or improved parameters for controlling the cooling infrastructure of the data center are determined based upon the signal injections and corresponding responses.

    Composition for Isolating Tissue
    29.
    发明申请
    Composition for Isolating Tissue 有权

    公开(公告)号：US20250082440A1

    公开(公告)日：2025-03-13

    申请号：US18580190

    申请日：2022-07-18

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Henning Hoffmann ,  Peter Osswald ,  Ruediger Hampe

    IPC: A61C5/82 ,  A61L31/04

    Abstract: The invention relates to a composition for isolating tissue, the composition comprising a radiation curable component A1, preferably being present in an amount of at least 40 wt. % with respect to the composition, the radiation curable component A1 comprising a polyether polyol spacer group having a molecular weight (Mw) of 1,000 to 20,000 g/mol, and at least two (meth)acrylate moieties, photo-initiator, guanidyl containing polymer, carrageenan, optionally softener, optionally dye, optionally filler, optionally additives. The invention also relates to a process for temporarily isolating tissue, the process comprising the steps of providing the composition described in any of the preceding claims, placing the composition in contact with tissue, radiation curing the composition at least partially for a time period T1, optionally moving or adjusting the partially cured composition, optionally radiation curing the partially cured composition for a time period T2, wherein T2>T1, removing the composition from the tissue.

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