Patents by Inventor Ramin Darvari
Ramin Darvari 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).
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Publication number: 20260273040Abstract: The present disclosure relates to compositions comprising RNA molecules encoding an antigen derived from influenza, wherein the RNA is formulated in a lipid nanoparticle (LNP), and wherein the composition further includes a polypeptide antigen derived from respiratory syncytial virus (RSV). The composition may be used for the prevention of illnesses induced by influenza and RSV infection.Type: ApplicationFiled: October 26, 2023Publication date: September 17, 2026Applicant: Pfizer Inc.Inventors: Pirada Suphaphiphat Allen, Advait Vijay Badkar, Bakul Subodh Bhatnagar, Michael David Bruchsaler, Wei Chen, Ramin Darvari, Fernando Martin Diaz, Wouter Joris Knapen, Parag Kolhe, Nicholas Luksha, Fanyu Meng, Marjoh Anne Nauta, Lynn Marie Phelan, Naomi Sasha Ramesar, Jayesh Vijay Sonje, Kena Anne Swanson, Serguei Tchessalov, Vincent Jurgen L. Van Deyck, Bert George E. Van Meervenne, Thijs Vanslembrouck, Sarah Elizabeth Weiser
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Publication number: 20260216313Abstract: The invention relates to compositions and methods for the preparation, manufacture and therapeutic use of ribonucleic acid immunogenic compositions and/or vaccines comprising polynucleotide molecules preferably encoding one or more influenza antigens, such as hemagglutinin antigens, wherein the composition is frozen or lyophilized.Type: ApplicationFiled: December 20, 2023Publication date: July 30, 2026Applicant: PFIZER INC.Inventors: Bakul Subodh BHATNAGAR, Ramin DARVARI, Miguel Angel GARCIA, Pengbo GUO, Shuai SHI, Serguei TCHESSALOV
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Publication number: 20260144861Abstract: This disclosure relates to the field of RNA to prevent or treat multiple infectious agents. In particular, the present disclosure relates to methods and agents for vaccination against coronavirus infection, influenza infection, and/or RSV infection and inducing effective coronavirus, influenza virus, and/or RSV antigen-specific immune responses such as antibody and/or T cell responses. Specifically, in one embodiment, the present disclosure relates to methods comprising administering to a subject (i) a bivalent RNA vaccine encoding peptides or proteins comprising epitopes of SARS-CoV-2 spike proteins (S proteins) and (ii) a tetravalent RNA vaccine encoding peptides or proteins comprising epitopes of hemagglutinin (HA), for inducing an immune response against coronavirus S proteins, in particular S proteins of SARS-CoV-2, and influenza proteins, in particular HA proteins of type A and type B influenza viruses, in the subject.Type: ApplicationFiled: October 17, 2023Publication date: May 28, 2026Inventors: Ugur Sahin, Nadine Salisch, Federico Mensa, Nicholas Randolph Everard Kitchin, Annaliesa Sybil Anderson, Kena Anne Swanson, Advait Vijay Badkar, Ramin Darvari, Mark Duda, Alejandra Clarisa Gurtman, Christina Van Geen Hoven, Pirada Suphaphiphat Allen
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Publication number: 20260007604Abstract: The invention relates to the lyophilization of a liquid pharmaceutical formulation including lipid nanoparticles encapsulating mRNA. According to the invention, a spray freeze-drying process is used to achieve the lyophilization. The invention is of particular interest for the lyophilization of mRNA vaccine formulations.Type: ApplicationFiled: June 20, 2023Publication date: January 8, 2026Applicant: Pfizer Inc.Inventors: Bakul Subodh Bhatnagar, Ramin Darvari, Israel Borges Sebastiao, Serguei Tchessalov
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Publication number: 20250387764Abstract: The invention relates to a coaxial flow device 1 capable of creating comparable microenvironments at various operation scales through the continuous introduction and mixing of nanoparticle precursor solutions for the manufacturing of a dispersion comprising nanoparticles. According to the invention, the device includes first and second coaxial tubes 3, 5 for controlled flows of nanoparticle precursor solutions and a mixing portion 7, wherein a disrupting physical element 21 is arranged to cause formation of the microenvironments. Application to the production of mRNA vaccines.Type: ApplicationFiled: September 12, 2023Publication date: December 25, 2025Applicant: Pfizer Inc.Inventors: Ramin Darvari, Mark Duda, Paul Francis Grden, Arthur Louis Homer, Jr., Jack Leonard Kibble, Piet Josef Luc Renard, Can Sarisozen
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Publication number: 20250177516Abstract: This invention provides methods for producing homogeneous and heterogeneous adjuvant formulations comprising a liposome bilayer comprising (a) monophosphoryl lipid A (MPLA), (b) a saponin, and (c) a liposome composition comprising (i) at least one phospholipid selected from phosphatidylcholine (PC) and/or phosphatidylglycerol (PG), wherein the phospholipid is selected from the group consisting of dimyristoyl phosphatidylcholine (DMPC), dipalmitoyl phosphatidylcholine (DPPC), distearyl phosphatidylcholine (DSPC), dimyristoyl phosphatidylglycerol (DMPG), dipalmitoyl phosphatidylglycerol (DPPG), distearyl phosphatidylglycerol (DSPG), and a combination thereof, and (ii) cholesterol wherein the mole percent concentration of the cholesterol in the liposome composition is greater than 50% (mol/mol), and further provides the adjuvant formulations produced from said methods.Type: ApplicationFiled: March 9, 2023Publication date: June 5, 2025Inventors: Parisa Ansari, Advait Vijay Badkar, Leena Shriram Bagle, Zoltan Beck, Bo Chen, Ramin Darvari, Parag Ashok Kolhe, Maria Sergeyevna Lapshina, Rachna Gopalkrishna Nayak, Naveen Palath, Shuai Shi
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Publication number: 20240252612Abstract: The present disclosure relates to compositions comprising RNA molecules encoding an antigen derived from influenza, wherein the RNA may be formulated in a lipid nanoparticle (LNP), and wherein the composition further includes a polypeptide antigen derived from respiratory syncytial virus (RSV) and/or RNA molecules encoding an antigen derived from RSV, wherein the RSV RNA may be may be formulated in an LNP. The present disclosure further relates to the use of the RNA molecules, RNA-LNPs and compositions for the prevention of influenza and RSV infection-induced illness.Type: ApplicationFiled: December 7, 2023Publication date: August 1, 2024Applicant: PFIZER INC.Inventors: Fanyu Meng, Lynn Marie Phelan, Pirada Suphaphiphat Allen, Nicholas Luksha, Bakul Subodh Bhatnagar, Ramin Darvari, Jayesh Vijay Sonje, Serguei Tchessalov, Advait Vijay Badkar, Michael David Bruchsaler, Wouter Joris Knapen, Parag Kolhe, Marjoh Anne Nauta, Naomi Sasha Ramesar, Vincent Jurgen L. Van Deyck, Bert Van Meervenne, Thijs Vanslembrouck, Sarah Elizabeth Weiser
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Publication number: 20240041785Abstract: The present disclosure provides technologies relating to stabilization of lipid nanoparticle mRNA compositions (e.g., vaccines).Type: ApplicationFiled: November 14, 2021Publication date: February 8, 2024Inventors: Steffen Panzner, Christian Reinsch, Kaushik Thanki, Sukrut Somani, Serguei A. Tchessalov, Bakul Subodh Bhatnagar, Ramin Darvari, Sumit Luthra
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Publication number: 20240002127Abstract: The present disclosure relates to the fields of packaging, transportation, and storage of temperature-sensitive materials, such as biological and/or pharmaceutical products. Various aspects of such packaging, transportation, and storage are provided herein for ultra-low temperature materials useful for the treatment and/or prevention of disease. The present disclosure also provides packaging materials, methods of transportation, and methods of storage for maintaining biological and/or pharmaceutical materials at ultra-low temperatures in order to maintain the integrity of the materials. The present disclosure further relates to the field of RNA to prevent or treat coronavirus infection.Type: ApplicationFiled: April 16, 2021Publication date: January 4, 2024Inventors: Marjoh Nauta, Dirk Jozef Peeters, Tom Frank Steven Van Doorslaer, Advait Vijay Badkar, Ramin Darvari, Nicholas William Warne, James Jean, Danny Pierre G. Hendrikse, Ugur Sahin, Alptekin Güler, Andreas Kuhn, Alexander Muik, Annette Vogel, Kerstin Walzer, Sonja Witzel, Stephanie Hein, Özlem Türeci
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Publication number: 20230414747Abstract: The present disclosure relates generally to the field of lipid nanoparticle (LNP) compositions comprising RNA, methods for preparing and storing such compositions, and the use of such compositions in therapy.Type: ApplicationFiled: November 15, 2021Publication date: December 28, 2023Inventors: Steffen Panzner, Ugur Sahin, Jorrit-Jan Krijger, Kaushik Thanki, Bakul Subodh Bhatnagar, Ramin Darvari, Sumit Luthra, Serguei A. Tchessalov
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Publication number: 20230414516Abstract: This invention relates to enhanced stabilization and improved lyophilization methods of pharmaceutical substances.Type: ApplicationFiled: November 15, 2021Publication date: December 28, 2023Inventors: Bakul Subodh Bhatnagar, Ramin Darvari, Sumit Luthra, Serguei A. Tchessalov, Steffen Panzner, Christian Reinsch, Kaushik Thanki, Sukrut Somani
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Publication number: 20220362372Abstract: The invention relates to compositions and methods for the preparation, manufacture and therapeutic use ribonucleic acid vaccines comprising polynucleotide molecules encoding one or more influenza antigens, such as hemagglutinin antigens.Type: ApplicationFiled: April 29, 2022Publication date: November 17, 2022Inventors: Philip Ralph Dormitzer, Advait Vijay Badkar, Christina Van Geen Hoven, Kathrin Ute Jansen, Pirada Suphaphiphat Allen, Ramin Darvari, Mark Duda
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Publication number: 20140274805Abstract: Materials and Methods are provided for producing patterned multi-array, multi-specific surfaces for use in diagnostics. The invention provides for electrochemiluminescence methods for detecting or measuring an analyte of interest. It also provides for novel electrodes for ECL assays. Materials and methods are provided for the chemical and/or physical control of conducting domains and reagent deposition for use multiply specific testing procedures.Type: ApplicationFiled: April 10, 2014Publication date: September 18, 2014Applicant: MESO SCALE TECHNOLOGIES LLCInventors: Jacob N. WOHLSTADTER, James L. WILBUR, George B. SIGAL, Mark T. MARTIN, Liang-Hong GUO, Alan FISCHER, Jon LELAND, Mark A. BILLADEAU, Larry R. HELMS, Ramin DARVARI
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Patent number: 8722323Abstract: Materials and methods are provided for producing patterned multi-array, multi-specific surfaces for use in diagnostics. The invention provides for electrochemiluminescence methods for detecting or measuring an analyte of interest. It also provides for novel electrodes for ECL assays. Materials and methods are provided for the chemical and/or physical control of conducting domains and reagent deposition for use multiply specific testing procedures.Type: GrantFiled: November 2, 2010Date of Patent: May 13, 2014Assignee: Meso Scale Technologies LLPInventors: Jacob N. Wohlstadter, James L. Wilbur, George B. Sigal, Mark T. Martin, Liang-Hong Guo, Alan Fischer, Jon Leland, Mark A. Billadeau, Larry R. Helms, Ramin Darvari
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Patent number: 8367427Abstract: A method for processing multi-phasic dispersions is provided. The method comprises providing a multi-phasic dispersion including dispersed and continuous phases, providing one or more non-solvents comprising an aqueous solution containing at least one multivalent cation, exposing the multi-phasic dispersion to the non-solvent to form a suspension containing one or more liquid phases and the solid microparticles, and removing at least a portion of the resulting one or more liquid phases while retaining at least the microparticles, thereby removing at least a portion of the non-volatile material from the microparticles.Type: GrantFiled: August 20, 2008Date of Patent: February 5, 2013Assignees: Baxter International Inc., Baxter Healthcare S.A.Inventors: Ramin Darvari, Adam Lambert, Julia E. Rashba-Step, Mark X. Yang, Junhong Zhang, Ed O'Connell
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Publication number: 20110124116Abstract: Materials and methods are provided for producing patterned multi-array, multi-specific surfaces for use in diagnostics. The invention provides for electrochemiluminescence methods for detecting or measuring an analyte of interest. It also provides for novel electrodes for ECL assays. Materials and methods are provided for the chemical and/or physical control of conducting domains and reagent deposition for use multiply specific testing procedures.Type: ApplicationFiled: November 2, 2010Publication date: May 26, 2011Applicant: MESO SCALE TECHNOLOGY LLPInventors: Jacob N. WOHLSTADTER, James L. Wilbur, George B. Sigal, Mark T. Martin, Liang-Hong Guo, Alan Fischer, Jon Leland, Mark A. Billadeau, Larry R. Helms, Ramin Darvari
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Patent number: 7824925Abstract: Materials and methods are provided for producing patterned multi-array, multi-specific surfaces for use in diagnostics. The invention provides for electrochemiluminescence methods for detecting or measuring an analyte of interest. It also provides for novel electrodes for ECL assays. Materials and methods are provided for the chemical and/or physical control of conducting domains and reagent deposition for use multiply specific testing procedures.Type: GrantFiled: October 31, 2005Date of Patent: November 2, 2010Assignee: Meso Scale Technology LLPInventors: Jacob N. Wohlstadter, James Wilbur, George Sigal, Mark Martin, Liang-Hong Guo, Alan Fischer, Jon Leland, Mark A. Billadeau, Larry R. Helms, Ramin Darvari
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Publication number: 20100047248Abstract: A method for processing multi-phasic dispersions is provided. The method comprises providing a multi-phasic dispersion including dispersed and continuous phases, providing one or more non-solvents comprising an aqueous solution containing at least one multivalent cation, exposing the multi-phasic dispersion to the non-solvent to form a suspension containing one or more liquid phases and the solid microparticles, and removing at least a portion of the resulting one or more liquid phases while retaining at least the microparticles, thereby removing at least a portion of the non-volatile material from the microparticles.Type: ApplicationFiled: August 20, 2008Publication date: February 25, 2010Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.Inventors: Ramin Darvari, Adam Lambert, Julia E. Rashba-Step, Mark X. Yang, Junhong Zhang, Ed O'Connell
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Publication number: 20100009007Abstract: The present disclosure is directed to surface-modified microparticles, pharmaceutical compositions thereof, and methods of making and using such particles. The surface-modified microparticles include a microparticle core, and at least one monolayer associated with the microparticle core. The monolayer comprises an amphiphilic polymer or non-ionic polymer grafted to an ionic polymer.Type: ApplicationFiled: July 10, 2008Publication date: January 14, 2010Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.Inventors: Ramin Darvari, Julia E. Rashba-Step, Terrence L. Scott
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Microencapsules Containing Surface-Modified Microparticles And Methods Of Forming And Using The Same
Publication number: 20080248122Abstract: An encapsulated particle, comprising a plurality of preformed microparticles encapsulated in an amorphous matrix, wherein at least one of the preformed microparticles comprises a core microparticle and a monolayer associated with the outer surface of the core microparticle. The core microparticle comprises at least one active agent that is capable of being released from the encapsulated particle.Type: ApplicationFiled: October 9, 2007Publication date: October 9, 2008Applicants: BAXTER INTERNATIONAL INC., BAXTER HEALTHCARE S.A.Inventors: Julia Rashba-Step, Terrence L. Scott, Ramin Darvari