Patents by Inventor Ivan Marziano

Ivan Marziano 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).

  • PROCESS FOR THE PREPARATION OF FLUTICASONE PROPIONATE FORM I
    Publication number: 20200024298
    Abstract: The invention relates to a novel crystallisation process for preparing fluticasone propionate as crystalline form 1 polymorph with controlled particle size and suitable for micronisation. Said process comprises the step of dissolving fluticasone propionate in acetone or in a mixture of acetone and water and then adding this solution to water or to a mixture of water 10 and acetone, thereby causing fluticasone propionate to crystallise out of the solution as crystalline form.
    Type: Application
    Filed: July 29, 2019
    Publication date: January 23, 2020
    Inventors: Martyn David Ticehurst, Ivan Marziano, Eleftherios Kougoulos
  • Process for the preparation of fluticasone propionate form 1
    Patent number: 10370402
    Abstract: The invention relates to a novel crystallization process for preparing fluticasone propionate as crystalline form 1 polymorph with controlled particle size and suitable for micronization. Said process comprises the step of dissolving fluticasone propionate in acetone or in a mixture of acetone and water and then adding this solution to water or to a mixture of water 10 and acetone, thereby causing fluticasone propionate to crystallize out of the solution as crystalline form.
    Type: Grant
    Filed: July 6, 2012
    Date of Patent: August 6, 2019
    Assignee: Pfizer Limited
    Inventors: Martyn David Ticehurst, Ivan Marziano, Eleftherios Kougoulos
  • PROCESS FOR THE PREPARATION OF FLUTICASONE PROPIONATE FORM 1
    Publication number: 20140141247
    Abstract: The invention relates to a novel crystallisation process for preparing fluticasone propionate as crystalline form 1 polymorph with controlled particle size and suitable for micronisation.
    Type: Application
    Filed: July 6, 2012
    Publication date: May 22, 2014
    Applicant: PFIZER LIMITED
    Inventors: Martyn David Ticehurst, Ivan Marziano, Eleftherios Kougoulos