Patents by Inventor Christian Edwin Weis

Christian Edwin Weis 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 antimicrobial formulations using 7-oxa-2-thia-1,5-diazabicyclo[3.3.1]nonane-2,2-dione
    Patent number: 7820651
    Abstract: Use of 7-oxa-2-thia-1,5-diazabicyclo[3.3.1]nonane-2,2-dione (“cyclotaurolidin”) for the preparation of antimicrobial formulations, in particular antimicrobial solutions for technical or medical purposes and of aqueous lock solutions for catheters and port systems for preventing infections and sepsis of patients.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: October 26, 2010
    Inventors: Claus Herdeis, Christian Edwin Weis
  • PREPARATION OF ANTIMICROBIAL FORMULATIONS USING 7-OXA-2-THIA-1,5-DIAZABICYCLO[3.3.1]NONANE-2,2-DIONE
    Publication number: 20080027043
    Abstract: Use of 7-oxa-2-thia-1,5-diazabicyclo[3.3.1]nonane-2,2-dione (“cyclotaurolidin”) for the preparation of antimicrobial formulations, in particular antimicrobial solutions for technical or medical purposes and of aqueous lock solutions for catheters and port systems for preventing infections and sepsis of patients.
    Type: Application
    Filed: February 8, 2007
    Publication date: January 31, 2008
    Inventors: CLAUS HERDEIS, Christian Edwin Weis
  • .beta.-Aminoethanesulphonylazide their use for the preparation of 2-aminoethane-sulphonamide (taurylamide), taurolidine or taurultam and their acid addition salts
    Patent number: 5889183
    Abstract: A novel process for the preparation of taurylamide or its acid addition salts and the compounds taurolidine or taurultam obtainable therefrom, in which cysteamine or cystamine, in particular in the form of acid addition salts, is used as a starting material and in which the key intermediate is the compound .beta.-aminoethanesulphonylazide, in particular in the form of a water-soluble acid addition salt.
    Type: Grant
    Filed: August 13, 1997
    Date of Patent: March 30, 1999
    Inventors: Claus Herdeis, Christian Edwin Weis