Patents by Inventor Doug Johns

Doug Johns 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).

  • Flexible Gelatin Sealant Dressing with Reactive Components
    Publication number: 20220111112
    Abstract: The present invention is directed to hemostatic sealants having a compressed porous substrate, an electrophilic group containing component that is not gelatin or collagen, a nucleophilic group containing component, and a buffering agent. The present invention also relates to method for manufacture and use of such sealants to seal and/or achieve hemostasis.
    Type: Application
    Filed: December 22, 2021
    Publication date: April 14, 2022
    Inventors: Ashley DeAnglis, Doug Johns, Guanghui Zhang, Wilai Kosol
  • Flexible Gelatin Sealant Dressing with Reactive Components
    Publication number: 20210213157
    Abstract: The present invention is directed to hemostatic sealants having a compressed porous substrate, an electrophilic group containing component that is not gelatin or collagen, a nucleophilic group containing component, and a buffering agent. The present invention also relates to method for manufacture and use of such sealants to seal and/or achieve hemostasis.
    Type: Application
    Filed: January 9, 2020
    Publication date: July 15, 2021
    Inventors: Ashley DeAnglis, Doug Johns, Guanghui Zhang, Wilai Kosol