Patents Assigned to Guangzhou Bioseal Co., Ltd.
  • Hemostatic paste and methods of making thereof
    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
  • Hemostatic paste and methods of making thereof
    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