中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

6 records (took 0.013 seconds)

    PHOTOCHROMIC ARTICLES
    1.
    发明申请
    PHOTOCHROMIC ARTICLES 有权

    公开(公告)号：US20210302633A1

    公开(公告)日：2021-09-30

    申请号：US17260509

    申请日：2019-08-20

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Kevin T. Huseby ,  Michael Benton Free ,  Victor Ho ,  Stephen A. Johnson ,  Christopher W. A. Krohe

    IPC: G02B5/23 ,  G02C7/10 ,  C09K9/02 ,  C08J5/18

    Abstract: Photochromic article having first and second opposed major surfaces comprising a first, transparent layer having first and second opposed major surfaces, the first layer comprising thermoplastic, a second, transparent layer having first and second opposed major surfaces, the second layer comprising photochromic dye and amorphous copolyester, wherein the first major surface of the second layer is adjacent to the second major surface of the first layer, and a third layer having first and second opposed major surfaces, wherein the first major surface of the third layer is adjacent to the second major surface of the second layer. Embodiments of photochromic article described herein are useful, for example in eyewear, window films, security films, decorative films, electronic devices (i.e., having a display with a photochromic article).

    Photochromic articles
    5.
    发明授权
    Photochromic articles 有权

    公开(公告)号：US12099222B2

    公开(公告)日：2024-09-24

    申请号：US17260509

    申请日：2019-08-20

    Applicant: 3M INNOVATIVE PROPERTIES COMPANY

    Inventor： Kevin T. Huseby ,  Michael Benton Free ,  Victor Ho ,  Stephen A. Johnson ,  Christopher W. A. Krohe

    IPC: G02B5/23 ,  C08J5/18 ,  C09K9/02 ,  G02C7/10

    CPC classification number: G02B5/23 ,  C08J5/18 ,  C09K9/02 ,  G02C7/102 ,  C08J2367/02

    Abstract: Photochromic article having first and second opposed major surfaces comprising a first, transparent layer having first and second opposed major surfaces, the first layer comprising thermoplastic, a second, transparent layer having first and second opposed major surfaces, the second layer comprising photochromic dye and amorphous copolyester, wherein the first major surface of the second layer is adjacent to the second major surface of the first layer, and a third layer having first and second opposed major surfaces, wherein the first major surface of the third layer is adjacent to the second major surface of the second layer. Embodiments of photochromic article described herein are useful, for example in eyewear, window films, security films, decorative films, electronic devices (i.e., having a display with a photochromic article).

Patent Agency Ranking