Patents by Inventor Sarvajna Dwivedi

Sarvajna Dwivedi 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: 11471468
    Abstract: Methods and systems for the preparation of conditioned micronized active agents. Additionally, methods and systems for in-process conditioning of micronized active agent particles and compositions comprising conditioned micronized materials.
    Type: Grant
    Filed: January 30, 2020
    Date of Patent: October 18, 2022
    Assignee: Pearl Therapeutics, Inc.
    Inventors: Ali Kazmi, David Lechuga-Ballesteros, Herman E. Snyder, James Ivey, Reinhard Vehring, Jason H. Speck, Sarvajna Dwivedi
  • Publication number: 20200368251
    Abstract: Methods and systems for the preparation of conditioned micronized active agents. Additionally, methods and systems for in-process conditioning of micronized active agent particles and compositions comprising conditioned micronized materials.
    Type: Application
    Filed: January 30, 2020
    Publication date: November 26, 2020
    Inventors: Ali Kazmi, David Lechuga-Ballesteros, Herman E. Snyder, James Ivey, Reinhard Vehring, Jason H. Speck, Sarvajna Dwivedi
  • Publication number: 20180344747
    Abstract: Methods and systems for the preparation of conditioned micronized active agents. Additionally, methods and systems for in-process conditioning of micronized active agent particles and compositions comprising conditioned micronized materials.
    Type: Application
    Filed: January 17, 2018
    Publication date: December 6, 2018
    Inventors: Ali Kazmi, David Lechuga-Ballesteros, Herman E. Snyder, James Ivey, Reinhard Vehring, Jason H. Speck, Sarvajna Dwivedi
  • Patent number: 9895386
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Grant
    Filed: April 29, 2016
    Date of Patent: February 20, 2018
    Assignee: BAYER INTELLECTUAL PROPERTY GMBH
    Inventors: Chatan Charan, Sarvajna Dwivedi
  • Publication number: 20160317562
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Application
    Filed: April 29, 2016
    Publication date: November 3, 2016
    Inventors: Chatan Charan, Sarvajna Dwivedi
  • Patent number: 9351930
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: May 31, 2016
    Assignee: Bayer Intellectual Property GMBH
    Inventors: Chatan Charan, Sarvajna Dwivedi
  • Patent number: 9351929
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: May 31, 2016
    Assignee: Bayer Intellectual Property GMBH
    Inventors: Chatan Charan, Sarvajna Dwivedi
  • Patent number: 9205050
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Grant
    Filed: September 28, 2006
    Date of Patent: December 8, 2015
    Assignee: Bayer Intellectual Property GmbH
    Inventors: Chatan K. Charan, Sarvajna Dwivedi
  • Publication number: 20150150787
    Abstract: Pharmaceutical compositions, systems and methods suitable for respiratory delivery of a fixed combination of LAMA, LABA, and ICS active agents are described. The pharmaceutical compositions described herein may be formulated for respiratory delivery via a metered dose inhaler (MDI). Also described herein are MDI systems for delivery of a fixed combination of LAMA, LABA, and ICS active agents, as well as methods for preparing and using the compositions and systems described herein.
    Type: Application
    Filed: May 22, 2014
    Publication date: June 4, 2015
    Applicant: Pearl Therapeutics, Inc.
    Inventors: David Lechuga-Ballesteros, Vidya B. Joshi, Colin Reisner, Patrick FitzGerald Darken, Sarvajna Dwivedi
  • Publication number: 20140377190
    Abstract: Compositions, methods and systems are provided for pulmonary or nasal delivery of two or more active agents via a metered dose inhaler. In one embodiment, the compositions include a suspension medium, active agent particles, and suspending particles, in which the active agent particles and suspending particles form a co-suspension within the suspension medium.
    Type: Application
    Filed: April 21, 2014
    Publication date: December 25, 2014
    Applicant: Pearl Therapeutics, Inc.
    Inventors: Reinhard Vehring, Michael Steven Hartman, David Lechuga-Ballesteros, Adrian Edward Smith, Vidya B. Joshi, Sarvajna Dwivedi
  • Publication number: 20140275517
    Abstract: Methods and systems for the preparation of conditioned micronized active agents. Additionally, methods and systems for in-process conditioning of micronized active agent particles and compositions comprising conditioned micronized materials.
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: Pearl Therapeutics, Inc.
    Inventors: Ali Kazmi, David Lechuga, Herm Snyder, James Ivey, Reinhard Vehring, Jason H. Speck, Sarvajna Dwivedi
  • Publication number: 20120247462
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Application
    Filed: June 12, 2012
    Publication date: October 4, 2012
    Applicant: Bayer Healthcare AG
    Inventors: Chatan Charan, Sarvajna Dwivedi
  • Publication number: 20120225835
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Application
    Filed: May 14, 2012
    Publication date: September 6, 2012
    Inventors: Chatan Charan, Sarvajna Dwivedi
  • Publication number: 20100286031
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Application
    Filed: September 28, 2006
    Publication date: November 11, 2010
    Inventors: Chatan K. Charan, Sarvajna Dwivedi
  • Publication number: 20090288658
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Application
    Filed: December 22, 2008
    Publication date: November 26, 2009
    Applicant: Nektar Therapeutics
    Inventors: Chatan Charan, Sarvajna Dwivedi
  • Patent number: 7326691
    Abstract: A composition includes particles including at least about 95 wt % of amphotericin B, wherein the particles have a mass median diameter ranging from about 1.1 ?m to about 1.9 ?m. Another composition also includes particles including at least about 95 wt % of amphotericin B, wherein at least about 80 wt % of the particles have a geometric diameter ranging from about 1.1 ?m to about 1.9 ?m. Yet another composition includes particles including amphotericin B, wherein the particles have a mass median diameter less than about 1.9 ?m, and wherein the amphotericin B has a crystallinity level of at least about 20%. Unit dosage forms, delivery systems, and methods may involve similar compositions.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: February 5, 2008
    Assignee: Nektar Therapeutics
    Inventors: Sarma Duddu, Srinivas Palakodaty, David Lechuga-Ballesteros, Danforth Miller, Alan R. Kugler, Christopher Frantz, Trixie Tan, Richard Malcolmson, Keith Washco, Theresa Sweeney, Thomas E. Tarara, Sarvajna Dwivedi, Michael A. Eldon
  • Publication number: 20070116649
    Abstract: An aqueous or powder composition includes anti-gram-negative antibiotic or salt thereof being present at an amount ranging from about 100 mg/ml to about 200 mg/ml. Another aqueous or powder composition includes anti-gram-positive antibiotic or salt thereof being present at a concentration ranging from about 0.6 to about 0.9 of the water solubility limit, at 25° C. and 1.0 atmosphere, of the anti-gram-positive antibiotic or salt thereof. Other embodiments include unit doses, kits, and methods.
    Type: Application
    Filed: September 28, 2006
    Publication date: May 24, 2007
    Applicant: Nektar Therapeutics
    Inventors: Chatan Charan, Sarvajna Dwivedi
  • Publication number: 20060025355
    Abstract: A composition includes particles including at least about 95 wt % of amphotericin B, wherein the particles have a mass median diameter ranging from about 1.1 ?m to about 1.9 ?m. Another composition also includes particles including at least about 95 wt % of amphotericin B, wherein at least about 80 wt % of the particles have a geometric diameter ranging from about 1.1 ?m to about 1.9 ?m. Yet another composition includes particles including amphotericin B, wherein the particles have a mass median diameter less than about 1.9 ?m, and wherein the amphotericin B has a crystallinity level of at least about 20%. Unit dosage forms, delivery systems, and methods may involve similar compositions.
    Type: Application
    Filed: June 21, 2005
    Publication date: February 2, 2006
    Applicant: Nektar Therapeutics
    Inventors: Sarma Duddu, Srinivas Palakodaty, David Lechuga-Ballesteros, Danforth Miller, Alan Kugler, Christopher Frantz, Trixie Tan, Richard Malcomson, Keith Washco, Theresa Sweeney, Thomas Tarara, Sarvajna Dwivedi, Michael Eldon
  • Publication number: 20050139211
    Abstract: An aerosol introducer is provided for introducing an aerosolized pharmaceutical formulation into a ventilator circuit. The ventilator circuit comprises an endotracheal tube, an inhalation line extending from a ventilator, and an exhalation line extending from the ventilator. The aerosol introducer comprises a first end connectable to the inhalation line and the exhalation line; a second end connectable to the endotracheal tube; a first channel extending from the first end to the second end; a second channel extending from the first end to the second end; an inlet in the first channel, the inlet being adapted to receive an aerosolized pharmaceutical formulation; and a valving mechanism comprising one or more valves that reduce the loss of aerosolized pharmaceutical formulation to the exhalation line.
    Type: Application
    Filed: November 17, 2004
    Publication date: June 30, 2005
    Applicant: Nektar Therapeutics
    Inventors: William Alston, Sarvajna Dwivedi, Guy Tucker