Patents by Inventor Hock S. Tan

Hock S. Tan 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: 20240024254
    Abstract: Provided herein are transdermal delivery devices comprising ketamine, such as monolithic transdermal patches. Also provided herein are methods of preparing transdermal delivery devices. The transdermal delivery device and monolithic patch herein can have various uses, for example, for treating various diseases or disorders, such as depression, anxiety, and/or pain in a subject in need thereof.
    Type: Application
    Filed: January 17, 2023
    Publication date: January 25, 2024
    Inventors: Huadong TANG, Hock S. TAN, Michael MAYERSOHN, Wenfei LIANG
  • Publication number: 20230416269
    Abstract: The present invention provides compounds and topical formulations including the compounds for the treatment of vascular malformations, wherein the compounds are according to formula (I): wherein subscript m, L1, R1, and L1-R1 are as described herein.
    Type: Application
    Filed: April 10, 2023
    Publication date: December 28, 2023
    Inventors: Ahmed F. ABDEL-MAGID, Agis KYDONIEUS, Thomas ROSSI, Hock S. TAN
  • Patent number: 11661429
    Abstract: The present invention provides compounds and topical formulations including the compounds for the treatment of vascular malformations, wherein the compounds are according to formula (I): wherein subscript m, L1, R1, and L1-R1 are as described herein.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: May 30, 2023
    Assignee: VENTHERA, INC.
    Inventors: Ahmed F. Abdel-Magid, Agis Kydonieus, Thomas Rossi, Hock S. Tan
  • Patent number: 11559497
    Abstract: Provided herein are transdermal delivery devices comprising ketamine, such as monolithic transdermal patches. Also provided herein are methods of preparing transdermal delivery devices. The transdermal delivery device and monolithic patch herein can have various uses, for example, for treating various diseases or disorders, such as depression, anxiety, and/or pain in a subject in need thereof.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: January 24, 2023
    Assignee: GUANGZHOU DAZHOU BIOMEDICINE LTD.
    Inventors: Huadong Tang, Hock S. Tan, Michael Mayersohn, Wenfei Liang
  • Publication number: 20220395469
    Abstract: Provided herein are ketamine gel formulations, transdermal delivery devices comprising ketamine, methods of preparation and methods of using thereof. The transdermal delivery device can be a drug-in-reservoir (DIR) patch comprising ketamine, which typically includes a backing layer, a reservoir layer comprising a ketamine gel formulation, a rate-controlling membrane, an adhesive layer, and a release liner. The ketamine gel formulation generally includes one or more skin permeation enhancers. The transdermal delivery devices can be configured, for example, by adjusting the ketamine gel formulation and other release control mechanism, to provide certain skin flux characteristics, and can be used for treating a variety of indications such as depression and/or pain.
    Type: Application
    Filed: June 13, 2022
    Publication date: December 15, 2022
    Inventors: Huadong TANG, Hock S. TAN, Michael MAYERSOHN
  • Publication number: 20220362165
    Abstract: Provided herein are compositions, delivery devices, and methods relating to the delivery of tetrabenazine and/or deuterated tetrabenazine, for example, continuous or substantially continuous delivery such as transdermal delivery, for the treatment of a hyperkinetic movement disorder. Also provided are transdermal delivery devices comprising tetrabenazine, a deuterated tetrabenazine, or a combination thereof, pharmaceutical compositions comprising tetrabenazine and/or a deuterated tetrabenazine, methods of preparing the same, and methods of using the same for example, for the treatment of a hyperkinetic movement disorder.
    Type: Application
    Filed: October 21, 2020
    Publication date: November 17, 2022
    Inventors: Krunal RAVAL, Suresh BORSADIA, Hock S. TAN, Kalpana PATEL
  • Publication number: 20220193000
    Abstract: The present invention is directed to a transdermal delivery device comprising ketamine and formulations thereof. The present invention is also directed to a transdermal delivery device comprising ketamine for the treatment of major depressive disorder (MDD) and/or pain. The present invention is further directed to a transdermal delivery device comprising ketamine and abuse deterrent agents.
    Type: Application
    Filed: December 2, 2021
    Publication date: June 23, 2022
    Inventors: Huadong TANG, Hock S. TAN, Michael MAYERSOHN
  • Publication number: 20220040193
    Abstract: The present disclosure provides formulations suitable for topical administration that include compounds of formula (I): one or more excipients, and one or more optional additional components such as an acid or an antioxidant, wherein subscript m, L1, and R1 are as described herein. The formulations provided herein may be sufficiently stable that hydrolysis of the compound of formula (I) in the formulations is less than about 10% under a range of storage conditions. Processes for preparing the formulations and methods of treating vascular malformations with the formulations are also provided herein.
    Type: Application
    Filed: August 3, 2021
    Publication date: February 10, 2022
    Inventors: Agis KYDONIEUS, Thomas ROSSI, Hock S. TAN
  • Publication number: 20210393544
    Abstract: Provided herein are transdermal delivery devices comprising ketamine, such as monolithic transdermal patches. Also provided herein are methods of preparing transdermal delivery devices. The transdermal delivery device and monolithic patch herein can have various uses, for example, for treating various diseases or disorders, such as depression, anxiety, and/or pain in a subject in need thereof.
    Type: Application
    Filed: June 18, 2021
    Publication date: December 23, 2021
    Inventors: Huadong TANG, Hock S. TAN, Michael MAYERSOHN, Wenfei LIANG
  • Patent number: 11191734
    Abstract: The present invention is directed to a transdermal delivery device comprising ketamine and formulations thereof. The present invention is also directed to a transdermal delivery device comprising ketamine for the treatment of major depressive disorder (MDD) and/or pain. The present invention is further directed to a transdermal delivery device comprising ketamine and abuse deterrent agents.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: December 7, 2021
    Assignee: SHENOX PHARMACEUTICALS, LLC
    Inventors: Huadong Tang, Hock S. Tan, Michael Mayersohn
  • Publication number: 20210308040
    Abstract: Provided herein are film compositions comprising ketamine suitable for delivering ketamine across oral mucosal membranes. The film compositions can have various designs such as quick-release film, slow-release film, bilayer film that combines both a quick-release and slow-release film, or one-directional release film. Further are included methods of using the film compositions herein for the treatment of various diseases or disorders, such as pain and/or depression.
    Type: Application
    Filed: October 23, 2019
    Publication date: October 7, 2021
    Inventors: Hock S. TAN, Huadong TANG, Michael MAYERSOHN, Wenfei LIANG
  • Publication number: 20210244656
    Abstract: Disclosed herein, in part, is a pharmaceutical formulation comprising isotretinoin or a pharmaceutically acceptable salt thereof, and a mucoadhesive polymer. A method of treating a mucosal disease comprising administering a disclosed pharmaceutical formulation to a subject in need thereof is also provided herein.
    Type: Application
    Filed: September 24, 2020
    Publication date: August 12, 2021
    Inventors: Hock S. Tan, Siew L. Chung
  • Publication number: 20210128490
    Abstract: Provided herein are transdermal delivery devices comprising tetrabenazine, a deuterated tetrabenazine, or a combination thereof. Also provided herein are pharmaceutical compositions, such as adhesive compositions, comprising tetrabenazine, a deuterated tetrabenazine, or a combination thereof, for example, homogenously dispersed in an adhesive, such as a pressure sensitive adhesive. Further provided herein are methods of using the transdermal delivery devices or pharmaceutical compositions, for example, for treating a hyperkinetic movement disorder.
    Type: Application
    Filed: April 24, 2019
    Publication date: May 6, 2021
    Inventors: Suresh BORSADIA, Kalpana PATEL, Hock S. TAN
  • Patent number: 10874607
    Abstract: Disclosed herein, in part, is a pharmaceutical formulation comprising isotretinoin or a pharmaceutically acceptable salt thereof, and a mucoadhesive polymer. A method of treating a mucosal disease comprising administering a disclosed pharmaceutical formulation to a subject in need thereof is also provided herein.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: December 29, 2020
    Assignee: Skyline Biosciences LLC
    Inventors: Hock S. Tan, Siew L. Chung
  • Patent number: 10813880
    Abstract: Disclosed herein, in part, is a pharmaceutical formulation comprising isotretinoin or a pharmaceutically acceptable salt thereof, and a mucoadhesive polymer. A method of treating a mucosal disease comprising administering a disclosed pharmaceutical formulation to a subject in need thereof is also provided herein.
    Type: Grant
    Filed: November 27, 2019
    Date of Patent: October 27, 2020
    Assignee: Skyline Biosciences LLC
    Inventors: Hock S. Tan, Siew L. Chung
  • Publication number: 20200247816
    Abstract: The present invention provides compounds and topical formulations including the compounds for the treatment of vascular malformations, wherein the compounds are according to formula (I): wherein subscript m, L1, R1, and L1-R1 are as described herein.
    Type: Application
    Filed: February 5, 2020
    Publication date: August 6, 2020
    Inventors: Ahmed F. ABDEL-MAGID, Agis KYDONIEUS, Thomas ROSSI, Hock S. Tan
  • Publication number: 20200093735
    Abstract: Disclosed herein, in part, is a pharmaceutical formulation comprising isotretinoin or a pharmaceutically acceptable salt thereof, and a mucoadhesive polymer. A method of treating a mucosal disease comprising administering a disclosed pharmaceutical formulation to a subject in need thereof is also provided herein.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Inventors: Hock S. Tan, Siew L. Chung
  • Publication number: 20200093734
    Abstract: Disclosed herein, in part, is a pharmaceutical formulation comprising isotretinoin or a pharmaceutically acceptable salt thereof, and a mucoadhesive polymer. A method of treating a mucosal disease comprising administering a disclosed pharmaceutical formulation to a subject in need thereof is also provided herein.
    Type: Application
    Filed: November 27, 2019
    Publication date: March 26, 2020
    Inventors: Hock S. Tan, Siew L. Chung
  • Publication number: 20200030251
    Abstract: Provided herein are ketamine gel formulations, transdermal delivery devices comprising ketamine, methods of preparation and methods of using thereof. The transdermal delivery device can be a drug-in-reservoir (DIR) patch comprising ketamine, which typically includes a backing layer, a reservoir layer comprising a ketamine gel formulation, a rate-controlling membrane, an adhesive layer, and a release liner. The ketamine gel formulation generally includes one or more skin permeation enhancers. The transdermal delivery devices can be configured, for example, by adjusting the ketamine gel formulation and other release control mechanisms, to provide certain skin flux characteristics, and can be used for treating a variety of indications such as depression and/or pain.
    Type: Application
    Filed: April 19, 2018
    Publication date: January 30, 2020
    Inventors: Huadong TANG, Hock S. TAN, Michael MAYERSOHN
  • Publication number: 20180353437
    Abstract: The present invention is directed to a transdermal delivery device comprising ketamine and formulations thereof. The present invention is also directed to a transdermal delivery device comprising ketamine for the treatment of major depressive disorder (MDD) and/or pain. The present invention is further directed to a transdermal delivery device comprising ketamine and abuse deterrent agents.
    Type: Application
    Filed: June 27, 2016
    Publication date: December 13, 2018
    Inventors: Huadong Tang, Hock S. Tan, Michael Mayersohn