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: 20250145906
    Abstract: A water-soluble cleaning agent sheet includes the following components in parts by weight: 12-35 parts of film-forming agent, 0-3 parts of thickening agent, 0-10 parts of water softener, 15-50 parts of anionic surfactant, 1-10 parts of non-ionic surfactant, 1-10 parts of amphiprotic surfactant, 0-10 parts of solubilizer, 1-10 parts of acrylate polymer; 0-10 parts of plant extract, and 0-1 parts of preservative.
    Type: Application
    Filed: January 3, 2024
    Publication date: May 8, 2025
    Inventors: Jianfeng SUN, Fenglei LI, Min SUN, Jieting YAN, Yufeng CHEN
  • Patent number: 12281285
    Abstract: This application discloses a detergent tablet free of SLS surfactant and its preparation method. The detergent tablet includes a film-forming agent, an anionic surfactant, a non-ionic surfactant, a chelating agent, an enzyme preparation, an auxiliary agent and a essence. The film-forming agent includes one or more of polyvinyl alcohol, cellulose, and dodecenyl succinate starch ester. The anionic surfactant includes at least two of sodium ?-olefin sulfonate, sodium fatty acid methyl ester sulfonate, and sodium hydroxyethyl sulfonate. The non-ionic surfactant includes at least two of fatty alcohol polyoxyethylene ethers, fatty acid methyl ester ethoxylate, and oil ethoxylate.
    Type: Grant
    Filed: October 9, 2024
    Date of Patent: April 22, 2025
    Assignee: Guangzhou Joyson Cleaning Products Co., Ltd.
    Inventors: Fenglei Li, Min Sun, Jieer Luo, Jieting Yan, Junli Li
  • Publication number: 20250066698
    Abstract: The present application provides a tableware detergent tablet, and methods for preparing and using the same, the tableware detergent tablet is made of the following components in parts by mass: water-soluble polymer 15-35 parts, anionic surfactant 10-25 parts, nonionic surfactant 5-20 parts, forming additive 0.3-5 parts, polyol detergency promoter 1-10 parts, water softener 1-10 parts, anti-stain dispersant 1-10 parts, enzyme formulation 0.1-5 parts, polymer cleaning co-agent 0.3-3 parts, essence 0-1 part, and preservative 0-1 part.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 27, 2025
    Inventors: Jianfeng SUN, Fenglei LI, Min SUN, Xiangjian ZENG, Na LAN, Yumei HUANG
  • Patent number: 12091638
    Abstract: A one-piece combination detergent tablet is provided and includes: a detergent composition body A, a color-care and anti-stain composition body B, and an antibacterial and softening composition body C. The detergent composition body A includes: an anionic surfactant A, a non-ionic surfactant A, a polymeric water-soluble film A, an additive A, and water. The color-care and anti-stain composition body B includes: an anionic surfactant B; a non-ionic surfactant B; a polymeric water-soluble film B; an additive B; and water. The antibacterial and softening composition body C includes: a non-ionic surfactant C, a quaternary ammonium cationic surfactant, a polymeric water-soluble film C an additive C, and water. The one-piece combination detergent tablet can be stably stored and has an extended shelf life and a reduced transportation costs.
    Type: Grant
    Filed: January 25, 2024
    Date of Patent: September 17, 2024
    Inventors: Jianfeng Sun, Fenglei Li, Min Sun, Xiangjian Zeng, Na Lan, Yumei Huang
  • Publication number: 20240228915
    Abstract: A one-piece combination detergent tablet is provided and includes: a detergent composition body A, a color-care and anti-stain composition body B, and an antibacterial and softening composition body C. The detergent composition body A includes: an anionic surfactant A, a non-ionic surfactant A, a polymeric water-soluble film A, an additive A, and water. The color-care and anti-stain composition body B includes: an anionic surfactant B; a non-ionic surfactant B; a polymeric water-soluble film B; an additive B; and water. The antibacterial and softening composition body C includes: a non-ionic surfactant C, a quaternary ammonium cationic surfactant, a polymeric water-soluble film C an additive C, and water. The one-piece combination detergent tablet can be stably stored and has an extended shelf life and a reduced transportation costs.
    Type: Application
    Filed: January 25, 2024
    Publication date: July 11, 2024
    Inventors: Jianfeng SUN, Fenglei LI, Min SUN, Xiangjian ZENG, Na LAN, Yumei HUANG
  • Publication number: 20240209294
    Abstract: Disclosed in the present application is a detergent tablet, including the following components by weight: 8-34 parts of water-soluble polymer; 14-50 parts of surfactant; 0.1-50 parts of enzyme preparation; 0.1-50 parts of softener preparation; 1 to 10 parts of foaming agent preparation; and 0-30 parts of molding aids. The enzyme preparation and the softener preparation are inserted on the detergent tablet in a form of solid particles.
    Type: Application
    Filed: February 9, 2023
    Publication date: June 27, 2024
    Inventors: Jianfeng SUN, Fenglei Li, Min Sun, Xiangjian Zeng, Na Lan, Yumei Huang
  • 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