Patents by Inventor Fenglei Li

Fenglei Li 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).

  • Publication number: 20240033191
    Abstract: The present application discloses an oral care cleaning tablet, and relates to the technical field of an oral care product, wherein the oral care cleaning tablet 1. is made of the following raw materials by weight percentage: 8-25% of a film-forming agent, 15-40% of a surfactant, 10-30% of an washing-friction modifier, 1-5% of a cosolvent, 0.5-3% of a water softener, 0.01-1% antibacterial agent, 1-5% of moisturizing agent, 0.1-1% of a sweetener, 0-3% of a breath freshener, 0-1% pH regulator, 0-0.5% of an essence, and balance of water; wherein the surfactant includes any one or two of an alcohol ether glycosides and a C8-C18 alkyl glycosides; and the washing-friction modifier includes a plant starch.
    Type: Application
    Filed: August 17, 2023
    Publication date: February 1, 2024
    Inventors: Jianfeng SUN, Fenglei Li, Min Sun, Xiangjian Zeng, Na Lan, Yumei Huang
  • Patent number: 11760962
    Abstract: The present application discloses an environmental friendly detergent tablet, and a preparation method and an tableting equipment thereof, belonging to the field of washing products. An environmental friendly detergent tablet is made of the following raw materials by weight percentage: polyvinyl alcohol, film-forming agent, surfactant, plant starch, co-solvent, bio-enzyme formulation, water softener, and other additives; the preparation method includes the following steps: mixing water, polyvinyl alcohol and film-forming agent under stirring, heating to 80° C-90° C., and continuing stirring to obtain an initial mixed slurry; adding a co-solvent into the initial mixed slurry, then adding a surfactant, then adding a plant starch, under stirring, to obtain a mixed materials; drying the mixed materials, coating with the bio-enzyme formulation, molding, and slicing to obtain the environmental friendly detergent tablet.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: September 19, 2023
    Assignee: Guangzhou Joyson Cleaning Products Co., Ltd.
    Inventors: Jianfeng Sun, Fenglei Li, Min Sun, Haixiang Zeng
  • Publication number: 20230212480
    Abstract: The present application relates to the technical field of daily cleaning and washing products, and particularly to a double layer detergent tablet and a preparation method thereof. The double layer detergent tablet includes a color absorbing fiber and a solid detergent adhered to the color absorbing fiber, the solid detergent includes the following components by mass percentage: 8-30% of polyvinyl alcohol, 10-40% of surfactant, 0.5-5% of polyvinylpyrrolidone, 1-5% of glycerin, 0.5-5% of water softener, 0.1-1% of plant essence, 14-79.9% of deionized water. The surfactant is a mixture of an anionic surfactant and a non-ionic surfactant; the anionic surfactant is a mixture of sodium coco-sulfate and sodium alpha-olefin sulfonate; and the non-ionic surfactant is a mixture of alkyl glycoside, fatty alcohol polyoxyethylene ether, isomeric alcohol polyoxyethylene ether and fatty acid methyl ester ethoxy compound.
    Type: Application
    Filed: December 30, 2022
    Publication date: July 6, 2023
    Inventors: Jianfeng SUN, Fenglei LI, Jianjia ZHONG, Yan LI, Dongqian WU, Min SUN
  • Patent number: 11674112
    Abstract: The present application relates to the technical field of daily cleaning and washing products, and particularly to a double layer detergent tablet and a preparation method thereof. The double layer detergent tablet includes a color absorbing fiber and a solid detergent adhered to the color absorbing fiber, the solid detergent includes the following components by mass percentage: 8-30% of polyvinyl alcohol, 10-40% of surfactant, 0.5-5% of polyvinylpyrrolidone, 1-5% of glycerin, 0.5-5% of water softener, 0.1-1% of plant essence, 14-79.9% of deionized water. The surfactant is a mixture of an anionic surfactant and a non-ionic surfactant; the anionic surfactant is a mixture of sodium coco-sulfate and sodium alpha-olefin sulfonate; and the non-ionic surfactant is a mixture of alkyl glycoside, fatty alcohol polyoxyethylene ether, isomeric alcohol polyoxyethylene ether and fatty acid methyl ester ethoxy compound.
    Type: Grant
    Filed: December 30, 2022
    Date of Patent: June 13, 2023
    Assignee: Guangzhou Joyson Cleaning Products Co., Ltd.
    Inventors: Jianfeng Sun, Fenglei Li, Jianjia Zhong, Yan Li, Dongqian Wu, Min Sun