Patents by Inventor Boris Obermeier

Boris Obermeier 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).

  • Method and device for a polyester sterilization process
    Patent number: 11957801
    Abstract: Described herein are packages for orienting and cooling polyesters during a sterilization process, and containers for storing, transporting, and cooling the package. Also described herein are methods of sterilizing polyesters.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: April 16, 2024
    Assignee: Evonik Corporation
    Inventors: Edward Parent, Boris Obermeier, Jie Lu
  • Resorbable polymer purification process
    Patent number: 11261293
    Abstract: The present invention is directed to an improved purification process using additive and activated carbon for purifying resorbable polymers suitable for industrial manufacturing. The metal catalyst concentration in the purified resorbable polymers of this invention is preferably less than 1 ppm. The method can be used to obtain high molecular weight polymers that are substantially metal free.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: March 1, 2022
    Assignee: Evonik Corporation
    Inventors: Jie Lu, Boris Obermeier, Regina Arnold-Stanton, Adolphus G. Jones
  • METHOD AND DEVICE FOR A POLYESTER STERILIZATION PROCESS
    Publication number: 20200316236
    Abstract: Described herein are packages for orienting and cooling polyesters during a sterilization process, and containers for storing, transporting, and cooling the package. Also described herein are methods of sterilizing polyesters.
    Type: Application
    Filed: October 23, 2018
    Publication date: October 8, 2020
    Inventors: Edward Parent, Boris Obermeier, Jie Lu
  • IMPROVED RESORBABLE POLYMER PURIFICATION PROCESS
    Publication number: 20200190258
    Abstract: The present invention is directed to an improved purification process using additive and activated carbon for purifying resorbable polymers suitable for industrial manufacturing. The metal catalyst concentration in the purified resorbable polymers of this invention is preferably less than 1 ppm. The method can be used to obtain high molecular weight polymers that are substantially metal free.
    Type: Application
    Filed: August 31, 2018
    Publication date: June 18, 2020
    Inventors: Jie Lu, Boris Obermeier, Regina Arnold-Stanton, Adolphus G. Jones
  • Quarternization of the additive amino alkylmethacrylate copolymer E for improving permeability and solubility of pharmaceuticals
    Patent number: 8399523
    Abstract: The present invention relates to a strategy for improving the permeability and solubility of pharmaceuticals, based on adding a chemically modified amino alkyl methacrylate copolymer E, wherein the chemical modification is the quaternization of a fraction of the existing amino alkyl groups.
    Type: Grant
    Filed: December 12, 2008
    Date of Patent: March 19, 2013
    Assignee: Evonik Roehm GmbH
    Inventors: Peter Langguth, Stefan Grube, Holger Frey, Boris Obermeier
  • QUARTERNIZATION OF THE ADDITIVE AMINO ALKYLMETHACRYLATE COPOLYMER E FOR IMPROVING PERMEABILITY AND SOLUBILITY OF PHARMACEUTICALS
    Publication number: 20100286288
    Abstract: The present invention relates to a strategy for improving the permeability and solubility of pharmaceuticals, based on adding a chemically modified amino alkyl methacrylate copolymer E, wherein the chemical modification is the quaternization of a fraction of the existing amino alkyl groups.
    Type: Application
    Filed: December 12, 2008
    Publication date: November 11, 2010
    Applicant: Evonik Roehm GmbH
    Inventors: Peter Langguth, Stefan Grube, Holger Frey, Boris Obermeier