Patents by Inventor Gerald Rainer Adalbert Hofmann

Gerald Rainer Adalbert Hofmann 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 of modifying a fluoropolymer and articles thereby
    Patent number: 7140413
    Abstract: A fluoropolymer is modified by contacting it with a modifying composition preparable from components comprising a phase transfer catalyst and at least one of a sulfide or disulfide salt, and heating the modifying composition. The modified fluoropolymer is useful in the preparation of composite articles.
    Type: Grant
    Filed: October 12, 2005
    Date of Patent: November 28, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Gerald Rainer Adalbert Hofmann
  • Method of modifying a fluoropolymer and articles thereby
    Patent number: 6986947
    Abstract: A fluoropolymer is modified by contacting it with a modifying composition preparable from components comprising a phase transfer catalyst and at least one of a sulfide or disulfide salt, and heating the modifying composition. The modified fluoropolymer is useful in the preparation of composite articles.
    Type: Grant
    Filed: October 9, 2003
    Date of Patent: January 17, 2006
    Assignee: 3M Innovative Properties Company
    Inventors: Naiyong Jing, Gerald Rainer Adalbert Hofmann