Patents by Inventor Jeffrey D. Weigelt

Jeffrey D. Weigelt 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).

  • Process for manufacturing fluoroolefins
    Patent number: 7250540
    Abstract: A process for manufacturing fluoroolefins comprising perfluorinating a starting material comprising at least one carbon-bonded hydrogen by electrochemical fluorination, dissociating this separated effluent in a pyrolysis, quenching and separating the effluent to yield tetrafluoroethylene and/or hexafluoropropylene.
    Type: Grant
    Filed: June 29, 2005
    Date of Patent: July 31, 2007
    Assignee: 3M Innovative Properties Company
    Inventors: Gerald L. Bauer, Jeffrey D. Weigelt, Klaus Hintzer, Gernot Loehr, Werner Schwertfeger, Arthur A. Ponelis
  • Process for manufacturing fluoroolefins
    Patent number: 6919015
    Abstract: A process for manufacturing fluoroolefins comprising perfluorinating a starting material comprising at least one carbon-bonded hydrogen by electrochemical fluorination, dissociating this separated effluent in a pyrolysis, quenching and separating the effluent to yield tetrafluoroethylene and/or hexafluoropropylene.
    Type: Grant
    Filed: December 16, 2002
    Date of Patent: July 19, 2005
    Assignee: 3M Innovative Properties Company
    Inventors: Gerald L. Bauer, Jeffrey D. Weigelt, Klaus Hintzer, Gernot Loehr, Werner Schwertfeger, Arthur A. Ponelis
  • Process for manufacturing fluoroolefins
    Publication number: 20040112758
    Abstract: A process for manufacturing fluoroolefins comprising perfluorinating a starting material comprising at least one carbon-bonded hydrogen by electrochemical fluorination, dissociating this separated effluent in a pyrolysis, quenching and separating the effluent to yield tetrafluoroethylene and/or hexafluoropropylene.
    Type: Application
    Filed: December 16, 2002
    Publication date: June 17, 2004
    Inventors: Gerald L. Bauer, Jeffrey D. Weigelt, Klaus Hintzer, Gernot Loehr, Werner Schwertfeger, Arthur A. Ponelis
  • Curing fluorocarbon elastomers
    Patent number: 5319025
    Abstract: Fluorocarbon elastomer gum is compounded with curing agent comprising a polyhydroxy compound and a salt thereof with a salt-forming heterocyclic amine, the resulting compound gum is shaped and heated to form a cured shaped article such as automotive fuel line hose or O ring.
    Type: Grant
    Filed: January 15, 1993
    Date of Patent: June 7, 1994
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Jeffrey D. Weigelt