Patents by Inventor Guojun Ni

Guojun Ni 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).

  • Patent number: 11819384
    Abstract: The present invention is directed to a flowable hemostatic paste comprising a crosslinked carboxymethyl cellulose and at least one non-toxic dispersant. More specifically the present invention relates to a hemostatic paste containing citric acid cross-linked CMC, which is suspended or dispersed as a powder in a mixture of a first non-toxic glycerol-containing hygroscopic dispersant and a second non-toxic alcohol functionalized dispersant comprising propylene glycol or 1,3-butanediol.
    Type: Grant
    Filed: March 21, 2022
    Date of Patent: November 21, 2023
    Assignees: Guangzhou Bioseal Co., Ltd., Johnson & Johnson China Ltd., Ethicon, Inc.
    Inventors: Dengmin Feng, Ling Teng, Yanhui Zhang, Guojun Ni, Yufu Li, Xiang Wan
  • Patent number: 11413192
    Abstract: The present invention is directed to a flowable hemostatic paste comprising a crosslinked carboxymethyl cellulose and at least one non-toxic dispersant. More specifically the present invention relates to a hemostatic paste containing citric acid cross-linked CMC, which is suspended or dispersed as a powder in a mixture of a first non-toxic glycerol-containing hygroscopic dispersant and a second non-toxic alcohol functionalized dispersant comprising propylene glycol or 1,3-butanediol.
    Type: Grant
    Filed: June 25, 2020
    Date of Patent: August 16, 2022
    Assignees: Guangzhou Bioseal Co., Ltd., Johnson & Johnson China Ltd., Ethicon Inc.
    Inventors: Dengmin Feng, Ling Teng, Yanhui Zhang, Guojun Ni, Yufu Li, Xiang Wan
  • Publication number: 20220202619
    Abstract: The present invention is directed to a flowable hemostatic paste comprising a crosslinked carboxymethyl cellulose and at least one non-toxic dispersant. More specifically the present invention relates to a hemostatic paste containing citric acid cross-linked CMC, which is suspended or dispersed as a powder in a mixture of a first non-toxic glycerol-containing hygroscopic dispersant and a second non-toxic alcohol functionalized dispersant comprising propylene glycol or 1,3-butanediol.
    Type: Application
    Filed: March 21, 2022
    Publication date: June 30, 2022
    Inventors: Dengmin Feng, Ling Teng, Yanhui Zhang, Guojun Ni, Yufu Li, Xiang Wan
  • Publication number: 20200323690
    Abstract: The present invention is directed to a flowable hemostatic paste comprising a crosslinked carboxymethyl cellulose and at least one non-toxic dispersant. More specifically the present invention relates to a hemostatic paste containing citric acid cross-linked CMC, which is suspended or dispersed as a powder in a mixture of a first non-toxic glycerol-containing hygroscopic dispersant and a second non-toxic alcohol functionalized dispersant comprising propylene glycol or 1,3-butanediol.
    Type: Application
    Filed: June 25, 2020
    Publication date: October 15, 2020
    Inventors: Dengmin Feng, Ling Teng, Yanhui Zhang, Guojun Ni, Yufu Li, Xiang Wan
  • Patent number: 10736786
    Abstract: The present invention is directed to a flowable hemostatic paste comprising a crosslinked carboxymethyl cellulose and at least one non-toxic dispersant. More specifically the present invention relates to a hemostatic paste containing citric acid cross-linked CMC, which is suspended or dispersed as a powder in a mixture of a first non-toxic glycerol-containing hygroscopic dispersant and a second non-toxic alcohol functionalized dispersant comprising propylene glycol or 1,3-butanediol.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: August 11, 2020
    Assignees: Guangzhou Bioseal Biotech Co., Ltd., Johnson & Johnson China Ltd., Ethicon, Inc.
    Inventors: Dengmin Feng, Ling Teng, Yanhui Zhang, Guojun Ni, Yufu Li, Xiang Wan
  • Publication number: 20200022843
    Abstract: The present invention is directed to a flowable hemostatic paste comprising a crosslinked carboxymethyl cellulose and at least one non-toxic dispersant. More specifically the present invention relates to a hemostatic paste containing citric acid cross-linked CMC, which is suspended or dispersed as a powder in a mixture of a first non-toxic glycerol-containing hygroscopic dispersant and a second non-toxic alcohol functionalized dispersant comprising propylene glycol or 1,3-butanediol.
    Type: Application
    Filed: August 6, 2018
    Publication date: January 23, 2020
    Inventors: Dengmin Feng, Ling Teng, Yanhui Zhang, Guojun Ni, Yufu Li, Xiang Wan