Patents by Inventor George Helmut Klemm

George Helmut Klemm 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).

  • PREPARATION OF SUFENTANIL CITRATE AND SUFENTANIL BASE
    Publication number: 20230074804
    Abstract: Provided herein are processes for forming sufentanil citrate from sufentanil base. One process comprises forming sufentanil citrate in the presence of a polar non-aqueous solvent. Other processes comprise forming sufentanil citrate in the presence of water.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 9, 2023
    Inventors: George Helmut Klemm, Brian Orr, Joel McClenaghan
  • PREPARATION OF SUFENTANIL CITRATE AND SUFENTANIL BASE
    Publication number: 20210061793
    Abstract: Provided herein are processes for forming sufentanil citrate from sufentanil base. One process comprises forming sufentanil citrate in the presence of a polar non-aqueous solvent. Other processes comprise forming sufentanil citrate in the presence of water.
    Type: Application
    Filed: November 6, 2020
    Publication date: March 4, 2021
    Inventors: George Helmut Klemm, Brian Orr, Joel McClenaghan
  • Preparation of sufentanil citrate and sufentanil base
    Patent number: 10899749
    Abstract: Provided herein are processes for forming sufentanil citrate from sufentanil base. One process comprises forming sufentanil citrate in the presence of a polar non-aqueous solvent. Other processes comprise forming sufentanil citrate in the presence of water.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: January 26, 2021
    Assignee: SpecGX LLC
    Inventors: George Helmut Klemm, Brian Orr, Joel McClenaghan
  • PREPARATION OF SUFENTANIL CITRATE AND SUFENTANIL BASE
    Publication number: 20190152961
    Abstract: Provided herein are processes for forming sufentanil citrate from sufentanil base. One process comprises forming sufentanil citrate in the presence of a polar non-aqueous solvent. Other processes comprise forming sufentanil citrate in the presence of water.
    Type: Application
    Filed: January 22, 2019
    Publication date: May 23, 2019
    Inventors: George Helmut Klemm, Brian Orr, Joel McClenaghan
  • Preparation of sufentanil citrate and sufentanil base
    Patent number: 10227335
    Abstract: Provided herein are processes for forming sufentanil citrate from sufentanil base. One process comprises forming sufentanil citrate in the presence of a polar non-aqueous solvent. Other processes comprise forming sufentanil citrate in the presence of water.
    Type: Grant
    Filed: May 25, 2016
    Date of Patent: March 12, 2019
    Assignee: SpecGX LLC
    Inventors: George Helmut Klemm, Brian Orr, Joel McClenaghan
  • PREPARATION OF SUFENTANIL CITRATE AND SUFENTANIL BASE
    Publication number: 20160347743
    Abstract: Provided herein are processes for forming sufentanil citrate from sufentanil base. One process comprises forming sufentanil citrate in the presence of a polar non-aqueous solvent. Other processes comprise forming sufentanil citrate in the presence of water.
    Type: Application
    Filed: May 25, 2016
    Publication date: December 1, 2016
    Inventors: George Helmut Klemm, Brian Orr, Joel McClenaghan