Patents by Inventor Robert K. Evans

Robert K. Evans 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: 20230288140
    Abstract: A microwave vacuum dryer includes a loading chamber and a first vacuum pump in communication with the loading chamber, a first door separating the loading chamber from an external environment, a drying chamber adjacent the loading chamber, a second vacuum pump in communication with the drying chamber, and a condenser in communication with the drying chamber, a second door separating the loading chamber and the drying chamber, an unloading chamber adjacent the drying chamber and a third vacuum pump in communication with the unloading chamber, a third door separating the drying chamber from the unloading chamber, a fourth door separating the unloading chamber from the external environment, and a microwave chamber having a plurality of magnetrons, the microwave chamber positioned on a different plane from the loading and unloading chambers and adjacent the drying chamber.
    Type: Application
    Filed: June 1, 2021
    Publication date: September 14, 2023
    Applicant: Merck Sharp & Dohme LLC
    Inventors: Akhilesh BHAMBHANI, Jeffrey T. BLUE, Robert K. EVANS, Terrence FENNELL, Justin STANBRO
  • Publication number: 20220017853
    Abstract: Provided herein are compositions and formulations that are useful for stabilizing one or more bacteria (e.g., through drying). Methods of stabilizing the one or more bacteria are also disclosed.
    Type: Application
    Filed: December 5, 2019
    Publication date: January 20, 2022
    Applicant: Seres Therapeutics, Inc.
    Inventors: Robert K. EVANS, Carl Michael PHILBROOK, Brian Michael SCHUSTER, Lisa MARSHALL
  • Publication number: 20210048247
    Abstract: Methods for preparing dried pellets of biological materials are described. The pellets can have a substantially spherical shape and are prepared by freezing droplets of a liquid composition of a desired biological material on a solid surface followed by microwave vacuum drying the frozen droplets. These methods are useful for preparing dried pellets having a high concentration of a desired biological material, in particular a therapeutic protein or vaccine, and which have a faster reconstitution time than lyophilized powder cakes prepared in vials.
    Type: Application
    Filed: October 27, 2020
    Publication date: February 18, 2021
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Jessica Sinacola, Rebecca Lizzano
  • Patent number: 10874732
    Abstract: The present invention relates to thermally stable oral rotavirus vaccine formulations comprising one or more rotavirus reassortant or attenuated rotavirus strains, a pharmaceutically acceptable calcium salt, adipic acid, sucrose, and sodium phosphate, wherein each of the one or more rotavirus reassortant or attenuated rotavirus strain is stable for 7 days at 37° C., for 45 days at 25° C. and for 2 years or more at 2-8° C. The calcium containing formulations of the invention may further comprise one or more excipients which are present in an amount that is effective to optimize the calcium ions free in solution to stabilize the rotavirus particles. In embodiments of the invention, the formulation comprises a surfactant, such as polysorbate 80.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: December 29, 2020
    Assignee: MERCK SHARP & DOHME CORP.
    Inventors: Robert K. Evans, Erica L. Strable, Lynne Isopi
  • Patent number: 10617650
    Abstract: The present invention provides a process for preparing enterically-coated lyospheres comprising a therapeutic agent comprising: a.) providing lyospheres comprising the therapeutic agent; b.) coating said lyospheres with an enteric polymer coating composition; and c.) isolating said enterically-coated lyospheres. In other embodiments, the invention provides dosage forms comprising a lyosphere comprising an effective amount of a therapeutic agent and an enteric polymer coating. In some embodiments, the therapeutic agent in the process or dosage form is a polypeptide, a protein, a peptide, a lipopeptide, a glycoprotein, a fusion protein, a protein conjugate, a cytokine, an enzyme, an antibody, an oligonucleotide, a vaccine vector, small molecule, a live virus, an inactivated virus, a virus-like particle, a viral protein subunit, an adjuvant, microbiome, a prebiotic, a probiotic, or an ectobiotic.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: April 14, 2020
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Pranav Gupta, Ronald L. Smith, Donna M. Williams
  • Publication number: 20190383556
    Abstract: Methods for preparing dried pellets of biological materials are described. The pellets can have a substantially spherical shape and are prepared by freezing droplets of a liquid composition of a desired biological material on a solid surface followed by microwave vacuum drying the frozen droplets. These methods are useful for preparing dried pellets having a high concentration of a desired biological material, in particular a therapeutic protein or vaccine, and which have a faster reconstitution time than lyophilized powder cakes prepared in vials.
    Type: Application
    Filed: August 30, 2019
    Publication date: December 19, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Jessica Sinacola, Rebecca Lizzano
  • Patent number: 10429129
    Abstract: Methods for preparing dried pellets of biological materials are described. The pellets can have a substantially spherical shape and are prepared by freezing droplets of a liquid composition of a desired biological material on a solid surface followed by microwave vacuum drying the frozen droplets. These methods are useful for preparing dried pellets having a high concentration of a desired biological material, in particular a therapeutic protein or vaccine, and which have a faster reconstitution time than lyophilized powder cakes prepared in vials.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: October 1, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Jessica Sinacola, Rebecca Lizzano
  • Patent number: 10369213
    Abstract: Methods for improving the drying yield and stability of RSV vaccines comprising a highly thermolabile enveloped live virus and/or one or more RSV protein subunits, are described. Methods for rapid drying of RSV formulations containing between 17.5% and 60% w/w of a non-polymeric sugar and using either conduction or radiation dominant drying mechanisms, are disclosed. The disclosed methods provide for; 1) a dried RSV formulation with improved stability profile; 2) faster drying; and 3) integration of dried RSV into a primary device (such as dual chamber cartridges, foil-pouch devices etc.), pre- as well as post-drying.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: August 6, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Lynne A. Isopi
  • Patent number: 10350289
    Abstract: The present invention relates to a method of vaccinating a patient against varicella zoster virus (VZV) by delivery of an effective amount of a live attenuated VZV vaccine to the epidermis or the dermis of a patient's skin at a depth of between about 100 and about 700 microns from the surface of the skin, which is useful for preventing herpes zoster or reducing the severity or duration thereof. In embodiments of the invention, the patient is 50 years of age or older and has been previously exposed to VZV. The invention also relates to a method of preventing VZV infection in an individual who was not previously infected with VZV comprising administering an effective amount of a live attenuated VZV vaccine to the epidermis or the dermis of the individual's skin at a depth of between about 100 and about 700 microns from the surface of the skin.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: July 16, 2019
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Brian K. Meyer, Robert K. Evans, Channing R. Beals, David C. Kaslow
  • Publication number: 20190000957
    Abstract: The present invention relates to thermally stable oral rotavirus vaccine formulations comprising one or more rotavirus reassortant or attenuated rotavirus strains, a pharmaceutically acceptable calcium salt, adipic acid, sucrose, and sodium phosphate, wherein each of the one or more rotavirus reassortant or attenuated rotavirus strain is stable for 7 days at 37° C., for 45 days at 25° C. and for 2 years or more at 2-8° C. The calcium containing formulations of the invention may further comprise one or more excipients which are present in an amount that is effective to optimize the calcium ions free in solution to stabilize the rotavirus particles. In embodiments of the invention, the formulation comprises a surfactant, such as polysorbate 80.
    Type: Application
    Filed: December 13, 2016
    Publication date: January 3, 2019
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Robert K. Evans, Erica L. Strable, Lynne Isopi
  • Publication number: 20180311172
    Abstract: The present invention provides a process for preparing enterically-coated lyospheres comprising a therapeutic agent comprising: a.) providing lyospheres comprising the therapeutic agent; b.) coating said lyospheres with an enteric polymer coating composition; and c.) isolating said enterically-coated lyospheres. In other embodiments, the invention provides dosage forms comprising a lyosphere comprising an effective amount of a therapeutic agent and an enteric polymer coating. In some embodiments, the therapeutic agent in the process or dosage form is a polypeptide, a protein, a peptide, a lipopeptide, a glycoprotein, a fusion protein, a protein conjugate, a cytokine, an enzyme, an antibody, an oligonucleotide, a vaccine vector, small molecule, a live virus, an inactivated virus, a virus-like particle, a viral protein subunit, an adjuvant, microbiome, a prebiotic, a probiotic, or an ectobiotic.
    Type: Application
    Filed: October 11, 2016
    Publication date: November 1, 2018
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Pranav Gupta, Ronald L. Smith, Donna M. Williams
  • Patent number: 9782470
    Abstract: This present invention relates to compositions and methods for stabilizing a dried vaccine formulations. In particular, the invention provides a method for producing a vaccine composition comprising the steps of providing an aqueous composition comprising a buffer, the vaccine components and between 17.5% w/w and 60% w/w of a non-polymeric sugar, freezing the composition, and applying microwave radiation under a pressure lower than atmospheric pressure in order to sublimate the composition and obtain a dried vaccine formulation. The invention also provides a product obtainable by this method.
    Type: Grant
    Filed: October 13, 2014
    Date of Patent: October 10, 2017
    Assignee: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Jessica Sinacola, Morrisa Jones
  • Publication number: 20160252300
    Abstract: Methods for preparing dried pellets of biological materials are described. The pellets can have a substantially spherical shape and are prepared by freezing droplets of a liquid composition of a desired biological material on a solid surface followed by microwave vacuum drying the frozen droplets. These methods are useful for preparing dried pellets having a high concentration of a desired biological material, in particular a therapeutic protein or vaccine, and which have a faster reconstitution time than lyophilized powder cakes prepared in vials.
    Type: Application
    Filed: October 13, 2014
    Publication date: September 1, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Jessica Sinacola, Rebecca Lizzano
  • Publication number: 20160250319
    Abstract: Methods for improving the drying yield and stability of RSV vaccines comprising a highly thermolabile enveloped live virus and/or one or more RSV protein subunits, are described. Methods for rapid drying of RSV formulations containing between 17.5% and 60% w/w of a non-polymeric sugar and using either conduction or radiation dominant drying mechanisms, are disclosed. The disclosed methods provide for; 1) a dried RSV formulation with improved stability profile; 2) faster drying; and 3) integration of dried RSV into a primary device (such as dual chamber cartridges, foil-pouch devices etc.), pre- as well as post-drying.
    Type: Application
    Filed: October 13, 2014
    Publication date: September 1, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Lynne A. Isopi
  • Publication number: 20160228532
    Abstract: This present invention relates to compositions and methods for stabilizing a dried vaccine formulations. In particular, the invention provides a method for producing a vaccine composition comprising the steps of providing an aqueous composition comprising a buffer, the vaccine components and between 17.5% w/w and 60% w/w of a non-polymeric sugar, freezing the composition, and applying microwave radiation under a pressure lower than atmospheric pressure in order to sublimate the composition and obtain a dried vaccine formulation. The invention also provides a product obtainable by this method.
    Type: Application
    Filed: October 13, 2014
    Publication date: August 11, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Akhilesh Bhambhani, Robert K. Evans, Jessica Sinacola, Morrisa Jones
  • Publication number: 20160220660
    Abstract: Methods of making a protein that stimulates a protective immune response in a subject include separating a portion of a protein from a naturally occurring influenza viral hemagglutinin to form a protein portion.
    Type: Application
    Filed: October 27, 2015
    Publication date: August 4, 2016
    Inventors: Langzhou Song, Valerian Nakaar, Albert E. Price, Lynda G. Tussey, James W. Huleatt, Thomas J. Powell, Robert K. Evans
  • Publication number: 20160193324
    Abstract: The present invention relates to a method of vaccinating a patient against varicella zoster virus (VZV) by delivery of an effective amount of a live attenuated VZV vaccine to the epidermis or the dermis of a patient's skin at a depth of between about 100 and about 700 microns from the surface of the skin, which is useful for preventing herpes zoster or reducing the severity or duration thereof. In embodiments of the invention, the patient is 50 years of age or older and has been previously exposed to VZV. The invention also relates to a method of preventing VZV infection in an individual who was not previously infected with VZV comprising administering an effective amount of a live attenuated VZV vaccine to the epidermis or the dermis of the individual's skin at a depth of between about 100 and about 700 microns from the surface of the skin.
    Type: Application
    Filed: September 2, 2014
    Publication date: July 7, 2016
    Applicant: Merck Sharp & Dohme Corp.
    Inventors: Brian K. Meyer, Robert K. Evans, Channing R. Beals, David C. Kaslow
  • Patent number: 9200042
    Abstract: Methods of making a protein that stimulates a protective immune response in a subject include separating a portion of a protein from a naturally occurring influenza viral hemagglutinin to form a protein portion.
    Type: Grant
    Filed: December 10, 2014
    Date of Patent: December 1, 2015
    Assignee: VaxInnate Corporation
    Inventors: Langzhou Song, Valerian Nakaar, Albert E. Price, Lynda G. Tussey, James W. Huleatt, Thomas J. Powell, Robert K. Evans
  • Publication number: 20150232516
    Abstract: Methods of making a protein that stimulates a protective immune response in a subject include separating a portion of a protein from a naturally occurring influenza viral hemagglutinin to form a protein portion. The protein portion includes at least a portion of a globular head, and at least a portion of at least one secondary structure having at least one ?-sheet at a bottom of the globular head that causes the globular head to essentially retain its tertiary structure. The protein portion made by the methods of the invention lacks a transmembrane domain, a cytoplasmic domain and an HA2 subunit. A nucleic acid sequence encoding the protein portion is transformed into a prokaryotic host cell.
    Type: Application
    Filed: April 30, 2015
    Publication date: August 20, 2015
    Inventors: Langzhou Song, Valerian Nakaar, Albert E. Price, Lynda G. Tussey, James W. Huleatt, Thomas J. Powell, Robert K. Evans
  • Patent number: 9056901
    Abstract: Methods of making a protein that stimulates a protective immune response in a subject include separating a portion of a protein from a naturally occurring influenza viral hemagglutinin to form a protein portion. The protein portion includes at least a portion of a globular head, and at least a portion of at least one secondary structure having at least one ?-sheet at a bottom of the globular head that causes the globular head to essentially retain its tertiary structure. The protein portion made by the methods of the invention lacks a transmembrane domain, a cytoplasmic domain and an HA2 subunit. A nucleic acid sequence encoding the protein portion is transformed into a prokaryotic host cell.
    Type: Grant
    Filed: February 7, 2013
    Date of Patent: June 16, 2015
    Assignee: VaxInnate Corporation
    Inventors: Langzhou Song, Valerian Nakaar, Albert E. Price, Lynda G. Tussey, James W. Huleatt, Thomas J. Powell, Robert K. Evans