Patents by Inventor John Z. Sun

John Z. Sun 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).

  • Modulated release particles for lung delivery
    Patent number: 6669959
    Abstract: A polymeric construct is disclosed. The construct comprises a biodegradable ABA block copolymer having a selected medicament associated therewith. The medicament thus present is provided in a slow release form.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: December 30, 2003
    Assignee: Aeropharm Technology Incorporated
    Inventors: Akwete L. Adjei, Yaping Zhu, Anthony J. Cutie, John Z. Sun
  • Modulated release particles for aerosol delivery
    Patent number: 6596262
    Abstract: A polymeric construct is disclosed. The construct comprises a polymer selected from silica gel, fumed silica gel, silicic acid, disilicic acid, trisilicic acid, metasilicic acid, and orthosilicic acid in their free or salt forms; silicon dioxide in either of its amporphous, crystalline, or precipitated forms such as Purified Siliceous Earth; diatomacous earth; Fuller's earth, Kieselhurh, Celite; talc; attapulgite; micas; montmorilonite, kaolin, aluminum oxide (Hydrargilite), bentonite, pumice; silanes and siloxanes and any mixture of the foregoing having a selected medicament associated therewith. The medicament thus present is provided in a slow release form.
    Type: Grant
    Filed: February 15, 2001
    Date of Patent: July 22, 2003
    Assignee: Aeropharm Technology Incorporated
    Inventors: Yaping Zhu, Simon G. Stefanos, John Z. Sun, Akwete L. Adjei
  • Medicinal aerosol formulation
    Patent number: 6585957
    Abstract: A medicinal formulation is disclosed. The formulation comprises (a) a protein or peptide medicament; (b) a fluid carrier for containing said medicament; and a stabilizer selected from an amino acid, a derivative thereof or a mixture of the foregoing.
    Type: Grant
    Filed: October 30, 2000
    Date of Patent: July 1, 2003
    Assignee: Aeropharm Technology Incorporated
    Inventors: Akwete L. Adjei, Yaping Zhu, John Z. Sun, Simon Stefanos
  • Medical aerosol formulation
    Patent number: 6540983
    Abstract: This invention relates to a medicinal aerosol formulation and more particularly, to a medicinal aerosol formulation containing a &bgr;-cell hypoglycemic agent and a fluid carrier.
    Type: Grant
    Filed: October 31, 2000
    Date of Patent: April 1, 2003
    Assignee: Aeropharm Technology Incorporated
    Inventors: Akwete L. Adjei, Anthony J. Cutie, John Z. Sun, Fred Sexton
  • Modulated release particles for aerosol delivery
    Publication number: 20020119117
    Abstract: A polymeric construct is disclosed. The construct comprises a polymer selected from sililc gel, fumed silica gel, silica acid, trisilicic acid, metasilicic acid, and orthosiscic acid in their free or salt forms; silicon ioxide in either of its amporphous, crystalline, or precipitated forms such as Purified Siliceous Earth; diatomacous earth; Fuller's earth, Kieselhurh, Celite; talc; Attapulgite; micas; montmorilonite, kaolin, aluminum oxide (Hydrargilite), bentonite, pumice; silanes and silaxanes and any mixture of the foregoing having a selected medicament associated therewith. The medicament thus present is provided in a slow release form.
    Type: Application
    Filed: February 15, 2001
    Publication date: August 29, 2002
    Inventors: Yaping Zhu, Simon G. Stefanos, John Z. Sun, Akwete L. Adjei