Patents by Inventor Dongwei GUO

Dongwei GUO 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).

  • Publication number: 20250127739
    Abstract: Described are room temperature stable gabapentin powders that can be readily reconstituted in water for dosing as an oral solution. The gabapentin powder formulations have improved chemical stability, palatability, portability, storage, and ease of administration, as well as fast reconstitution time, and prolonged product shelf life. The gabapentin powder formulations comprise gabapentin, a sugar alcohol, one or more artificial sweeteners and, optionally, a flavoring agent.
    Type: Application
    Filed: August 30, 2022
    Publication date: April 24, 2025
    Inventors: Samuel A. TESTINO, Dongwei GUO, Benjamin BURGESS
  • Patent number: 10792244
    Abstract: Carvedilol parenteral sustained release systems by IV infusion, injection, or subcutaneous routes are disclosed. Preparation of carvedilol disperse systems such as liposomes, biodegradable microparticles or nanoparticles, and polymeric microparticles or nanoparticles have been presented in the present invention. Compositions containing carvedilol encapsulated in liposomes showed higher bioavailability and lower clearance rate than that of the free solution after intravenous administration. In vitro release of those liposomes in buffer solutions shows drug extended release over 48 hours, and correspondingly the in vivo animal data shows that parenteral administration of carvedilol encapsulated in liposomal materials has sustained release PK profile.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: October 6, 2020
    Assignee: ASCENDIA PHARMACEUTICALS, LLC.
    Inventors: Vera Ivanova, Kaoru Maeda, Wan Wang, Dongwei Guo, Jingjun Huang
  • Publication number: 20200000706
    Abstract: Carvedilol parenteral sustained release systems by IV infusion, injection, or subcutaneous routes are disclosed. Preparation of carvedilol disperse systems such as liposomes, biodegradable microparticles or nanoparticles, and polymeric microparticles or nanoparticles have been presented in the present invention. Compositions containing carvedilol encapsulated in liposomes showed higher bioavailability and lower clearance rate than that of the free solution after intravenous administration. In vitro release of those liposomes in buffer solutions shows drug extended release over 48 hours, and correspondingly the in vivo animal data shows that parenteral administration of carvedilol encapsulated in liposomal materials has sustained release PK profile.
    Type: Application
    Filed: June 3, 2019
    Publication date: January 2, 2020
    Applicant: ASCENDIA PHARMACEUTICALS, LLC
    Inventors: Vera IVANOVA, Kaoru MAEDA, Wan WANG, Dongwei GUO, Jingjun HUANG
  • Publication number: 20170354592
    Abstract: Carvedilol parenteral sustained release systems by IV infusion, injection, or subcutaneous routes are disclosed. Preparation of carvedilol disperse systems such as liposomes, biodegradable microparticles or nanparticles, and polymeric microparticles or nanparticles have been presented in the present invention. Compositions containing carvedilol encapsulated in liposomes showed higher bioavailability and lower clearance rate than that of the free solution after intravenous administration. In vitro release of those liposomes in buffer solutions shows drug extended release over 48 hours, and correspondingly the in vivo animal data shows that parenteral administration of carvedilol encapsulated in liposomal materials has sustained release PK profile.
    Type: Application
    Filed: June 13, 2017
    Publication date: December 14, 2017
    Applicant: ASCENDIA PHARMACEUTICALS, LLC
    Inventors: Vera IVANOVA, Kaoru MAEDA, Wan WANG, Dongwei GUO, Jingjun HUANG