Patents by Inventor Qin Qin Hu

Qin Qin Hu 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).

  • Alkoxylated polyethyleneimine hydrophilically-modified fibers
    Patent number: 10612188
    Abstract: The invention relates to an alkoxylated polyethyleneimine hydrophilically-modified fiber, wherein the alkoxylated polyethyleneimine has a weight average molecular weight of 600 to 25,000 and contains 1 to 40 alkylene oxide units per nitrogen atom. The invention also relates to a method of improving hydrophilicity of fiber comprising impregnating the fiber with an aqueous solution containing an alkoxylated polyethyleneimine, wherein the alkoxylated polyethyleneimine has a weight average molecular weight of 600 to 25,000 and contains 1 to 40 alkylene oxide units per nitrogen atom. The invention also relates to use of the alkoxylated polyethyleneimine in improving hydrophilicity of fiber.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: April 7, 2020
    Assignee: BASF SE
    Inventors: Qin Qin Hu, Laszlo Szarvas, Si Jun Zhu
  • Alkoxylated Polyethyleneimine Hydrophilically-Modified Fibers
    Publication number: 20180016742
    Abstract: The invention relates to an alkoxylated polyethyleneimine hydrophilically-modified fiber, wherein the alkoxylated polyethyleneimine has a weight average molecular weight of 600 to 25,000 and contains 1 to 40 alkylene oxide units per nitrogen atom. The invention also relates to a method of improving hydrophilicity of fiber comprising impregnating the fiber with an aqueous solution containing an alkoxylated polyethyleneimine, wherein the alkoxylated polyethyleneimine has a weight average molecular weight of 600 to 25,000 and contains 1 to 40 alkylene oxide units per nitrogen atom. The invention also relates to use of the alkoxylated polyethyleneimine in improving hydrophilicity of fiber.
    Type: Application
    Filed: February 5, 2016
    Publication date: January 18, 2018
    Inventors: Qin Qin Hu, Laszlo Szarvas, Si Jun Zhu