Patents by Inventor Norman Betty

Norman Betty 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).

  • Multilayer Biodegradable Microparticles for Sustained Release of Therapeutic Agents
    Publication number: 20170354611
    Abstract: Microparticles are prepared by a method that includes: (a) forming a layer comprising a first polymer on a solid surface by depositing a first composition one or more times on the solid surface, wherein the first composition comprises the first polymer and a first solvent, and evaporating the first solvent in the first composition; (b) forming one or more layers comprising a second polymer and a therapeutic agent by depositing a second composition on all or part of the layer formed in step (a), wherein the second composition comprises the second polymer, the therapeutic agent, and a second solvent; and evaporating the second solvent in the second composition; and (c) forming an additional layer comprising a third polymer by depositing a third composition one or more times on a previously formed layer, wherein the third composition comprises the third polymer and a third solvent; and evaporating the third solvent in the third composition.
    Type: Application
    Filed: August 25, 2017
    Publication date: December 14, 2017
    Inventors: Chris Rhodes, Robert Jennings, Nikita Malavia, Laxma Reddy, Norman Betty
  • Multilayer Biodegradable Microparticles for Sustained Release of Therapeutic Agents
    Publication number: 20140093552
    Abstract: Microparticles are prepared by a method that includes: (a) forming a layer comprising a first polymer on a solid surface by depositing a first composition one or more times on the solid surface, wherein the first composition comprises the first polymer and a first solvent, and evaporating the first solvent in the first composition; (b) forming one or more layers comprising a second polymer and a therapeutic agent by depositing a second composition on all or part of the layer formed in step (a), wherein the second composition comprises the second polymer, the therapeutic agent, and a second solvent; and evaporating the second solvent in the second composition; and (c) forming an additional layer comprising a third polymer by depositing a third composition one or more times on a previously formed layer, wherein the third composition comprises the third polymer and a third solvent; and evaporating the third solvent in the third composition.
    Type: Application
    Filed: September 20, 2013
    Publication date: April 3, 2014
    Applicant: SKS Ocular, LLC
    Inventors: Nikita Malavia, Robert Jennings, Chris Rhodes, Laxma Reddy, Norman Betty