Skin Care Implement and System
    2.
    发明申请

    公开(公告)号:US20200179713A1

    公开(公告)日:2020-06-11

    申请号:US16619658

    申请日:2018-06-13

    Abstract: In one embodiment, a personal care implement is disclosed. The personal care implement has an emitting end and an electromagnetic source for projecting electromagnetic radiation onto an area of skin to treat a skin condition. A light sensor is configured to sense an amount of ambient light present at the emitting end. A controller instructs the electromagnetic source to begin projecting only when the light sensor senses that the amount of ambient light at the emitting end is below a predefined threshold.

    Polymer Screening Methods
    3.
    发明申请

    公开(公告)号:US20170212040A1

    公开(公告)日:2017-07-27

    申请号:US15328762

    申请日:2014-07-24

    Abstract: This application is directed to methods of assessing polymer deposition on dental surfaces using near infrared spectroscopy, providing a rapid and efficient method to screen for and identify optimal polymers for use in oral care formulations, (i) near infra red (IR) absorption of a dental substrate is measured in the absence of a polymer under test, and subsequently of the test sample comprising the dental substrate contacted with the test polymer. After washing or rinsing the test sample near IR of it is determined again (iii). The IR absorption of the test polymer itself is also measured (ii). Through the comparison of the three measurements (i), (ii), and (iii) the degree of deposition and retention of the test polymer on the test sample is determined.

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