Patents by Inventor Feifei AI

Feifei AI has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • COLOR-CHANGING DENTIFRICE COMPOSITIONS
    Publication number: 20230398052
    Abstract: A color-changing oral care composition, in particular a dentifrice composition, contains: (i) an encapsulated dye particle comprising a dye and a coating layer encapsulating the dye, where the coating layer comprising hydroxy propyl methyl cellulose (HPMC) and polyvinyl alcohol (PVA), and (ii) 0.2% to 1.2% by weight of the composition, of flavor ingredients, where the flavor ingredients have a clog P value of 2 to 6, and where the flavor ingredients have Hansen Solubility Parameter (HSP) Distance (Ra) with hydroxy propyl methyl cellulose (HPMC) greater than 7.5, and Hansen Solubility Parameter (HSP) Distance (Ra) with polyvinyl alcohol (PVA) greater than 3.5.
    Type: Application
    Filed: June 1, 2023
    Publication date: December 14, 2023
    Inventors: Cuijiao HE, Hanjiang ZHU, Feifei AI, Lifeng ZHAO