Patents by Inventor Biyu PENG

Biyu PENG 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).

  • Process for producing leather
    Patent number: 11242574
    Abstract: The present invention relates to a process for producing leather in which methanesulfonic acid (MSA) is used in the pickling step at a high pH value, and the use of MSA is to improve the quality of the final leather product as well as to improve the environmental impact of the waste liquor.
    Type: Grant
    Filed: June 12, 2017
    Date of Patent: February 8, 2022
    Assignee: BASF SE
    Inventors: Qing Shi, Laszlo Szarvas, Biyu Peng, Chunxiao Zhang
  • PROCESS FOR PRODUCING LEATHER
    Publication number: 20190309378
    Abstract: The present invention relates to a process for producing leather in which methanesulfonic acid (MSA) is used in the pickling step at a high pH value, and the use of MSA is to improve the quality of the final leather product as well as to improve the environmental impact of the waste liquor.
    Type: Application
    Filed: June 12, 2017
    Publication date: October 10, 2019
    Applicant: BASF SE
    Inventors: Qing SHI, Laszlo SZARVAS, Biyu PENG, Chunxiao ZHANG