{
  "patent_number": "US 12178901",
  "country": "US",
  "title": "How Light-Activated Polymers Deliver Skin Care Ingredients",
  "original_title": "Polymer and a topical composition comprising the polymer",
  "summary": "A chemical structure that holds onto skin-care ingredients like fragrances or cooling agents and releases them only when triggered by specific light conditions.",
  "what_it_does": "This patent describes a specialized polymer designed to act as a delivery vehicle for skin care products. The polymer contains a photoresponsive substance, specifically a coumarin or hydroquinone compound, which acts as a molecular switch. When this switch is exposed to certain types of light, it triggers the release of a benefit agent—such as a fragrance, cooling agent, or antimicrobial compound—that is attached to the polymer chain. This allows a cosmetic product to provide its effect only when the user is in specific lighting conditions, rather than releasing everything all at once upon application.",
  "what_it_does_not_cover": [
    "Does not cover polymers that release their contents based on heat, pH, or moisture levels.",
    "Does not cover delivery systems using non-photoresponsive triggers like mechanical friction or time-release capsules.",
    "Does not cover the use of active ingredients that are not attached to this specific chemical backbone.",
    "Does not cover general sunscreen formulations that do not incorporate this specific light-triggered polymer."
  ],
  "filed": "2020-05-26",
  "granted": "2024-12-31",
  "expires": null,
  "status": "active",
  "holder": "Conopco Inc",
  "holder_url": "https://patentbrief.org/company/conopco-inc",
  "inventors": [
    {
      "name": "Xiaoxia Yang",
      "url": "https://patentbrief.org/inventor/xiaoxia-yang"
    },
    {
      "name": "Rajkumar PERUMAL",
      "url": "https://patentbrief.org/inventor/rajkumar-perumal"
    },
    {
      "name": "Praful Gulab Rao Lahorkar",
      "url": "https://patentbrief.org/inventor/praful-gulab-rao-lahorkar"
    },
    {
      "name": "Shiyong LIU",
      "url": "https://patentbrief.org/inventor/shiyong-liu"
    },
    {
      "name": "Shengyu SHI",
      "url": "https://patentbrief.org/inventor/shengyu-shi"
    },
    {
      "name": "Chenzhi Yao",
      "url": "https://patentbrief.org/inventor/chenzhi-yao"
    },
    {
      "name": "Ashish Anant VAIDYA",
      "url": "https://patentbrief.org/inventor/ashish-anant-vaidya"
    }
  ],
  "times_cited": 0,
  "tags": [
    "consumer_electronics",
    "materials"
  ],
  "abstract": "The present invention relates to a polymer of formula I, a cosmetic composition comprising the polymer of formula I, a method of synthesizing the polymer of formula I; and use of the polymer of formula I to provide a benefit in a photoresponsive way.",
  "url": "https://patentbrief.org/patent/us/12178901/dragon-xl",
  "markdown_url": "https://patentbrief.org/patent/us/12178901/dragon-xl/md",
  "google_patents_url": "https://patents.google.com/patent/US12178901",
  "relatedPatents": []
}