Patents by Inventor Stephen W. Stein

Stephen W. Stein 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).

  • Patent number: 11497712
    Abstract: The present disclosure provides a method of preparing a pharmaceutical composition. The method includes transferring a predetermined quantity of an excipient mixture from a second vessel to a first vessel. The excipient mixture transferred from the second vessel includes a liquid-state second quantity of a hydrofluoroalkane propellant and a first solubilized excipient comprising a low-molecular weight poly(ethylene oxide) polymer. The method further includes contacting at least one pharmaceutically-active compound with the excipient mixture under conditions that facilitate forming an intermixture comprising the propellant, the polymer, and the compound. Before transferring the excipient mixture, the first vessel contains a vapor-phase first quantity of the hydrofluoroalkane propellant and an effective amount of the at least one pharmaceutically-active compound.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: November 15, 2022
    Assignee: Kindeva Drug Delivery L.P.
    Inventors: Stephen W. Stein, David W. Schultz, John K. Simons, William F. Hansen
  • Publication number: 20210178089
    Abstract: Dry powder inhaler dose counters capable of making a display move swiftly between digits, in contrast to the progressive movement that occurs in simple gearing mechanisms.
    Type: Application
    Filed: February 24, 2021
    Publication date: June 17, 2021
    Inventors: Bryan E. Rolfs, Benjamin L. Rush, Jonathan D. Toback, Peter D. Hodson, Stephen W. Stein, Michael K. Domroese
  • Publication number: 20210129098
    Abstract: Disclosed herein are powder mixing apparatuses and methods that utilize the deagglomerizing and mixing effects of an air flow that impacts a flowing powder. The resulting powder can have smaller particle sizes and/or exhibit a more homogenous mixture than the premixed powder.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 6, 2021
    Inventors: Stephen W. Stein, Michael W. Mueting, Herbert C. Chiou, James S. Stefely
  • Patent number: 10953166
    Abstract: Dry powder inhaler dose counters capable of making a display move swiftly between digits. In contrast to the progressive movement that occurs in simple gearing mechanisms, there is provided a dry powder inhalation device comprising a housing defining a chamber, a patient port in communication with said chamber, an elongate carrier carrying medicament, an advancement mechanism for advancing a length of the elongate carrier into the chamber, a displacement sensor that advances in association with continuous advancement of the elongate carrier, and a transfer component that converts the advancement of the displacement sensor into intermittent motion of a units dose display.
    Type: Grant
    Filed: May 4, 2018
    Date of Patent: March 23, 2021
    Assignee: Adamis Pharmaceuticals Corporation
    Inventors: Bryan E. Rolfs, Benjamin L. Rush, Jonathan D. Toback, Peter D. Hodson, Stephen W. Stein, Michael K. Domroese
  • Patent number: 10919011
    Abstract: Disclosed herein are powder mixing apparatuses and methods that utilize the deagglomerizing and mixing effects of an air flow that impacts a flowing powder. The resulting powder can have smaller particle sizes and/or exhibit a more homogenous mixture than the premixed powder.
    Type: Grant
    Filed: October 19, 2018
    Date of Patent: February 16, 2021
    Assignee: Adamis Pharmaceuticals Corporation
    Inventors: Stephen W. Stein, Michael W. Mueting, Herbert C. Chiou, James S. Stefely
  • Publication number: 20190255265
    Abstract: Dry powder inhalers and dry powder inhaler storage cassettes including a compartment housing an elongate carrier preloaded with a plurality of doses of finely divided powder comprising a biologically active substance, the compartment being configured such that said preloaded doses are sealed within said compartment and such that the carrier may be advanced from the compartment to the chamber through an exit provided with a moisture barrier sealing system, wherein the moisture barrier sealing system is configured and arranged such that it is relaxable during advancement of the carrier, said sealing system being in sealing configuration prior to an advancement of the carrier, relaxed upon an advancement of the carrier and returned to its sealing configuration at the latest after release of the powder associated with said area of the carrier.
    Type: Application
    Filed: April 30, 2019
    Publication date: August 22, 2019
    Inventors: Peter D. Hodson, Stephen W. Stein, Herbert C. Chiou, Zhaolin Wang, Thomas S. Robison, Michael K. Domroese, Blake D. Walburg
  • Patent number: 10376662
    Abstract: The disclosure describes powder inhalers and dry powder inhaler storage cassettes that include a compartment housing an elongate carrier preloaded with a plurality of doses of finely divided powder comprising a biologically active substance. The compartment is configured such that the preloaded doses are sealed within the compartment and such that the carrier may be advanced from the compartment to the chamber through an exit provided with a moisture barrier sealing system. The moisture barrier sealing system is configured and arranged such that it is relaxable during advancement of the carrier. The sealing system is in sealing configuration prior to an advancement of the carrier, is relaxed upon an advancement of the carrier and is returned to its sealing configuration at the latest after release of the powder associated with the area of the carrier.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: August 13, 2019
    Assignee: Adamis Pharmaceuticals Corporation
    Inventors: Peter D. Hodson, Stephen W. Stein, Herbert C. Chiou, Zhaolin Wang, Thomas S. Robison, Michael K. Domroese, Blake D. Walburg
  • Patent number: 10335560
    Abstract: A dry-powder inhaler comprising a housing comprising at least one air inlet to a first air passage and a second air passage extending from the first air passage and terminating in a mouthpiece; the housing thereby providing a continuous air passage through the at least one air inlet, the first and second air passages, and the mouth piece; a rigid, fixed, powdered-medicament reservoir comprising a base, the reservoir being associated with the first air passage, and together with the first air passage forming a powder chamber; wherein air passing through the powder chamber travels substantially parallel to an upper surface of the reservoir and powdered-medicament positioned on the base in the reservoir, the upper surface of the reservoir having a surface area, and the reservoir having a volume.
    Type: Grant
    Filed: August 26, 2014
    Date of Patent: July 2, 2019
    Assignee: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Stephen W. Stein, Zhaolin Wang
  • Publication number: 20190183784
    Abstract: The present disclosure provides a method of preparing a pharmaceutical composition. The method includes transferring a predetermined quantity of an excipient mixture from a second vessel to a first vessel. The excipient mixture transferred from the second vessel includes a liquid-state second quantity of a hydrofluoroalkane propellant and a first solubilized excipient comprising a low-molecular weight poly(ethylene oxide) polymer. The method further includes contacting at least one pharmaceutically-active compound with the excipient mixture under conditions that facilitate forming an intermixture comprising the propellant, the polymer, and the compound. Before transferring the excipient mixture, the first vessel contains a vapor-phase first quantity of the hydrofluoroalkane propellant and an effective amount of the at least one pharmaceutically-active compound.
    Type: Application
    Filed: February 22, 2019
    Publication date: June 20, 2019
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: STEPHEN W. STEIN, DAVID W. SCHULTZ, JOHN K. SIMONS, WILLIAM F. HANSEN
  • Publication number: 20190054435
    Abstract: Disclosed herein are powder mixing apparatuses and methods that utilize the deagglomerizing and mixing effects of an air flow that impacts a flowing powder. The resulting powder can have smaller particle sizes and/or exhibit a more homogenous mixture than the premixed powder.
    Type: Application
    Filed: October 19, 2018
    Publication date: February 21, 2019
    Inventors: Stephen W. Stein, Michael W. Mueting, Herbert C. Chiou, James S. Stefely
  • Patent number: 10188996
    Abstract: Disclosed herein are powder mixing apparatuses and methods that utilize the deagglomerizing and mixing effects of an air flow that impacts a flowing powder. The resulting powder can have smaller particle sizes and/or exhibit a more homogenous mixture than the premixed powder.
    Type: Grant
    Filed: October 2, 2015
    Date of Patent: January 29, 2019
    Assignee: Adamis Pharmaceuticals Corporation
    Inventors: Stephen W. Stein, Michael W. Mueting, Herbert C. Chiou, James S. Stefely
  • Publication number: 20180250479
    Abstract: Dry powder inhaler dose counters capable of making a display move swiftly between digits, in contrast to the progressive movement that occurs in simple gearing mechanisms.
    Type: Application
    Filed: May 4, 2018
    Publication date: September 6, 2018
    Inventors: Bryan E. Rolfs, Benjamin L. Rush, Jonathan D. Toback, Peter D. Hodson, Stephen W. Stein, Michael K. Domroese
  • Publication number: 20180235880
    Abstract: A method of making a dry powder pharmaceutical composition comprising: providing inactive ingredient particles; providing a micronized active ingredient; mixing the inactive ingredient particles with surface-modified nanoparticles to provide an inactive ingredient comprised of particles having surfaces with the surface-modified nanoparticles deposited on the surfaces; and/or mixing the micronized active ingredient with surface-modified nanoparticles to provide a micronized active ingredient comprised of particles having surfaces with the surface-modified nanoparticles deposited on the surfaces; and then mixing the micronized active ingredient with the inactive ingredient; the dry powder compositions made by the method; a method of delivering medicament to the lungs of a mammal by administering a therapeutic amount of the dry powder pharmaceutical composition, and a dry powder inhalation device comprising a mouth piece, a powder containment system, and the dry powder pharmaceutical composition are disclosed.
    Type: Application
    Filed: April 24, 2018
    Publication date: August 23, 2018
    Inventors: ADAM S. CANTOR, JACQUELINE M. GANSER, MICHAEL W. MUETING, STEPHEN W. STEIN
  • Patent number: 9956170
    Abstract: A method of making a dry powder pharmaceutical composition comprising: providing inactive ingredient particles; providing a micronized active ingredient; mixing the inactive ingredient particles with surface-modified nanoparticles to provide an inactive ingredient comprised of particles having surfaces with the surface-modified nanoparticles deposited on the surfaces; and/or mixing the micronized active ingredient with surface-modified nanoparticles to provide a micronized active ingredient comprised of particles having surfaces with the surface-modified nanoparticles deposited on the surfaces; and then mixing the micronized active ingredient with the inactive ingredient; the dry powder compositions made by the method; a use of said composition for the manufacture of a medicament for being delivered to the lungs of a mammal by administering a therapeutic amount of the dry powder pharmaceutical composition, and a dry powder inhalation device comprising a mouth piece, a powder containment system, and the dry po
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: May 1, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Adam S. Cantor, Jacqueline M. Ganser, Michael W. Mueting, Stephen W. Stein
  • Patent number: 9861580
    Abstract: A method of making active pharmaceutical ingredient particles with surface-modified nanoparticles deposited on the particles' surfaces, the method comprising: providing a plurality of media particles having surfaces with the surface-modified nanoparticles deposited on the surfaces; mixing the plurality of media particles with the active ingredient particles, both of which are in dry form, to provide active ingredient particles having surfaces with the surface-modified nanoparticles deposited on the surfaces; and separating the plurality of media particles from the active ingredient particles having surfaces with the surface-modified nanoparticles deposited on the surfaces is disclosed.
    Type: Grant
    Filed: June 22, 2009
    Date of Patent: January 9, 2018
    Assignee: 3M Innovative Properties Company
    Inventors: Michael W. Mueting, Daniel C. Duan, Stephen W. Stein
  • Publication number: 20170189329
    Abstract: The present disclosure provides a method of preparing a pharmaceutical composition. The method includes transferring a predetermined quantity of an excipient mixture from a second vessel to a first vessel. The excipient mixture transferred from the second vessel includes a liquid-state second quantity of a hydrofluoroalkane propellant and a first solubilized excipient comprising a low-molecular weight poly(ethylene oxide) polymer. The method further includes contacting at least one pharmaceutically-active compound with the excipient mixture under conditions that facilitate forming an intermixture comprising the propellant, the polymer, and the compound. Before transferring the excipient mixture, the first vessel contains a vapor-phase first quantity of the hydrofluoroalkane propellant and an effective amount of the at least one pharmaceutically-active compound.
    Type: Application
    Filed: July 28, 2015
    Publication date: July 6, 2017
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: STEPHEN W. STEIN, DAVID W. SCHULTZ, JOHN K. SIMONS, WILLIAM F. HANSEN
  • Publication number: 20170095782
    Abstract: Disclosed herein are powder mixing apparatuses and methods that utilize the deagglomerizing and mixing effects of an air flow that impacts a flowing powder. The resulting powder can have smaller particle sizes and/or exhibit a more homogenous mixture than the premixed powder.
    Type: Application
    Filed: October 2, 2015
    Publication date: April 6, 2017
    Inventors: Stephen W. Stein, Michael W. Mueting, Herbert C. Chiou, James S. Stefely
  • Publication number: 20170080169
    Abstract: Dry powder inhalers and dry powder inhaler storage cassettes including a compartment housing an elongate carrier preloaded with a plurality of doses of finely divided powder comprising a biologically active substance, the compartment being configured such that said preloaded doses are sealed within said compartment and such that the carrier may be advanced from the compartment to the chamber through an exit provided with a moisture barrier sealing system, wherein the moisture barrier sealing system is configured and arranged such that it is relaxable during advancement of the carrier, said sealing system being in sealing configuration prior to an advancement of the carrier, relaxed upon an advancement of the carrier and returned to its sealing configuration at the latest after release of the powder associated with said area of the carrier.
    Type: Application
    Filed: September 26, 2016
    Publication date: March 23, 2017
    Inventors: Peter D. Hodson, Stephen W. Stein, Herbert C. Chiou, Zhaolin Wang, Thomas S. Robison, Michael K. Domroese, Blake D. Walburg
  • Patent number: 9474870
    Abstract: The disclosure describes powder inhalers and dry powder inhaler storage cassettes that include a compartment housing an elongate carrier preloaded with a plurality of doses of finely divided powder comprising a biologically active substance. The compartment is configured such that the preloaded doses are sealed within the compartment and such that the carrier may be advanced from the compartment to the chamber through an exit provided with a moisture barrier sealing system. The moisture barrier sealing system is configured and arranged such that it is relaxable during advancement of the carrier. The sealing system is in sealing configuration prior to an advancement of the carrier, is relaxed upon an advancement of the carrier and is returned to its sealing configuration at the latest after release of the powder associated with the area of the carrier.
    Type: Grant
    Filed: February 13, 2015
    Date of Patent: October 25, 2016
    Assignee: Adamis Pharmaceuticals Corporation
    Inventors: Peter D. Hodson, Stephen W. Stein, Herbert C. Chiou, Zhaolin Wang, Thomas S. Robison, Michael K. Domroese, Blake D. Walburg
  • Publication number: 20160199596
    Abstract: A dry-powder inhaler comprising a housing comprising at least one air inlet to a first air passage and a second air passage extending from the first air passage and terminating in a mouthpiece; the housing thereby providing a continuous air passage through the at least one air inlet, the first and second air passages, and the mouth piece; a rigid, fixed, powdered-medicament reservoir comprising a base, the reservoir being associated with the first air passage, and together with the first air passage forming a powder chamber; wherein air passing through the powder chamber travels substantially parallel to an upper surface of the reservoir and powdered-medicament positioned on the base in the reservoir, the upper surface of the reservoir having a surface area, and the reservoir having a volume.
    Type: Application
    Filed: August 26, 2014
    Publication date: July 14, 2016
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: STEPHEN W. STEIN, ZHAOLIN WANG