Patents by Inventor Steven Y. Ng

Steven Y. Ng 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: 20210252156
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: April 26, 2021
    Publication date: August 19, 2021
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Publication number: 20200405866
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: September 14, 2020
    Publication date: December 31, 2020
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Patent number: 10357570
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Grant
    Filed: February 14, 2018
    Date of Patent: July 23, 2019
    Assignee: Heron Therapeutics, Inc.
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Publication number: 20180339052
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: February 14, 2018
    Publication date: November 29, 2018
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Patent number: 9913910
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Grant
    Filed: September 19, 2016
    Date of Patent: March 13, 2018
    Assignee: Heron Therapeutics, Inc.
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Publication number: 20170007705
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: September 19, 2016
    Publication date: January 12, 2017
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Publication number: 20140371187
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: April 15, 2014
    Publication date: December 18, 2014
    Applicant: Heron Therapeutics, Inc.
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Patent number: 8715710
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Grant
    Filed: July 18, 2012
    Date of Patent: May 6, 2014
    Assignee: Heron Therapeutics, Inc.
    Inventors: Steven Y. Ng, Hui Rong Shen, Jorge Heller
  • Publication number: 20120283253
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: July 18, 2012
    Publication date: November 8, 2012
    Applicant: A.P. PHARMA, INC.
    Inventors: Steven Y. NG, Hui-Rong Shen, Jorge Heller
  • Patent number: 8252305
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: August 28, 2012
    Assignee: A.P. Pharma
    Inventors: Steven Y. Ng, Hui Rong Shen, Jorge Heller
  • Patent number: 8252306
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Grant
    Filed: October 24, 2011
    Date of Patent: August 28, 2012
    Assignee: A.P. Pharma, Inc.
    Inventors: Steven Y. Ng, Hui Rong Shen, Jorge Heller
  • Patent number: 8252304
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: August 28, 2012
    Assignee: A. P. Pharma, Inc.
    Inventors: Steven Y. Ng, Hui Rong Shen, Jorge Heller
  • Publication number: 20120041021
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: October 24, 2011
    Publication date: February 16, 2012
    Applicant: A.P. PHARMA, INC.
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Publication number: 20120041020
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: October 24, 2011
    Publication date: February 16, 2012
    Applicant: A.P. PHARMA, INC.
    Inventors: Steven Y. Ng, Hui Rong Shen, Jorge Heller
  • Publication number: 20100010104
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Application
    Filed: September 22, 2009
    Publication date: January 14, 2010
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Patent number: 7163694
    Abstract: Bioerodible poly(ortho esters) useful as orthopedic implants or vehicles for the sustained delivery of pharmaceutical, cosmetic and agricultural agents from dioxane-based di(ketene acetals). Block copolymers contain these bioerodible poly(ortho esters). These block copolymers have both hydrophilic and hydrophobic blocks. They form micelles in aqueous solution, making them suitable for encapsulation or solubilization of hydrophobic or water-insoluble materials; and they also form bioerodible matrices for the sustained release of active agents.
    Type: Grant
    Filed: March 8, 2006
    Date of Patent: January 16, 2007
    Assignee: A.P. Pharma, Inc.
    Inventors: Jorge Heller, Steven Y. Ng
  • Patent number: 7045589
    Abstract: Bioerodible poly(ortho esters) useful as orthopedic implants or vehicles for the sustained delivery of pharmaceutical, cosmetic and agricultural agents from dioxane-based di(ketene acetals). Block copolymers contain these bioerodible poly(ortho esters). These block copolymers have both hydrophilic and hydrophobic blocks. They form micelles in aqueous solution, making them suitable for encapsulation or solubilization of hydrophobic or water-insoluble materials; and they also form bioerodible matrices for the sustained release of active agents.
    Type: Grant
    Filed: November 15, 2002
    Date of Patent: May 16, 2006
    Assignee: A.P. Pharma, Inc.
    Inventors: Jorge Heller, Steven Y. Ng
  • Patent number: 6946145
    Abstract: Block copolymers based on poly(ortho esters) containing amine groups. These block copolymers have both hydrophilic and hydrophobic blocks. They form micelles in aqueous solution, making them suitable for encapsulation or solubilization of hydrophobic or water-insoluble materials; and they also form bioerodible matrices for the sustained release of active agents.
    Type: Grant
    Filed: July 24, 2003
    Date of Patent: September 20, 2005
    Assignee: A.P. Pharma, Inc.
    Inventors: Steven Y. Ng, Jorge Heller
  • Patent number: 6861068
    Abstract: A semi-solid delivery vehicle contains a polyorthoester and an excipient, and a semi-solid pharmaceutical composition contains an active agent and the delivery vehicle. The pharmaceutical composition may be a topical, syringable, or injectable formulation; and is suitable for local delivery of the active agent. Methods of treatment are also disclosed.
    Type: Grant
    Filed: January 26, 2004
    Date of Patent: March 1, 2005
    Assignee: A.P. Pharma, Inc.
    Inventors: Steven Y. Ng, Hui-Rong Shen, Jorge Heller
  • Patent number: 6822000
    Abstract: Bioerodible poly(orthoesters) useful as orthopedic implants or vehicles for the sustained delivery of pharmaceutical, cosmetic and agricultural agents contain hydrogen bonding groups and &agr;-hydroxy acid-containing groups.
    Type: Grant
    Filed: December 24, 2002
    Date of Patent: November 23, 2004
    Assignee: AP Pharma, Inc.
    Inventors: Steven Y. Ng, Jorge Heller