Patents by Inventor Lylien Zhang

Lylien Zhang 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: 20250304880
    Abstract: In one embodiment, the present invention is cleaning article including an inorganic binder, a gas generator, a strong acid having a pKa of between about-3 and about 2, a weak acid having a pKa of between about 2.5 about 5, wherein a ratio of the strong acid to the weak acid is between about 50:1 and about 1:50, and at least about 0.1% water. When the cleaning article has a diameter of about 48 mm and a height of about 21 mm with a recess diameter of about 29.8 mm, a recess height of about 12.8 mm, and a mass of about 40 grams, the cleaning article has a tablet breaking force of at least about 10 lbf and a dissolution time of between about 1 minute and about 60 minutes.
    Type: Application
    Filed: June 28, 2023
    Publication date: October 2, 2025
    Inventors: Yifan Zhang, Lylien Zhang
  • Publication number: 20250064055
    Abstract: A solid effervescent cleaning composition is described comprising one or more acids and a gas generator; wherein a 1 wt. % aqueous solution of the solid cleaning composition has a pH in a range of 4 to 9; and at least one antimicrobial compound. In some embodiments, a 1 wt. % aqueous solution of the solid effervescent cleaning composition provides at least a 3 log reduction for both gram position and gram negative bacteria. In some embodiments, the antimicrobial compound is selected from aromatic alcohols; aliphatic alcohols, optionally further comprising an ester moiety; and combinations thereof. Also described is a (e.g. dry) wipe comprising a woven or nonwoven substrate further comprising the solid effervescent cleaning composition described herein; and cleaning tools with handles.
    Type: Application
    Filed: July 29, 2024
    Publication date: February 27, 2025
    Inventors: Yifan Zhang, Narina Stepanova, Lylien Zhang, Yinshi Jin
  • Publication number: 20210214658
    Abstract: The present invention is a cleaning article including a substrate and organic abrasive particles dispersed on the substrate. The organic abrasive particles have a Mohs hardness of between about 2.0 and about 5.0. The cleaning article cleans greater than about 0.9 panels in 1,000 cycles and has a Schieffer Scratch performance rating of less than or equal to about 3.5.
    Type: Application
    Filed: April 29, 2019
    Publication date: July 15, 2021
    Inventors: Kaylee R. Schmall, Myhanh T. Truong, Yifan Zhang, David G. Baird, Irem Bolukbasi, Kyle C. Bryson, Lylien Zhang