Patents by Inventor James Joseph Lang

James Joseph Lang 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).

  • Low temperature manufacturing process for nylon
    Patent number: 5731403
    Abstract: This invention concerns a low temperature process for the manufacture of nylon.
    Type: Grant
    Filed: July 30, 1996
    Date of Patent: March 24, 1998
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: James Joseph Lang
  • Continuous polymerization process for polyamides
    Patent number: 5674974
    Abstract: The invention provides a continuous process for the preparation of polyamides, equipment in which the polymerization process can be conducted, and process control methods for said polymerization process.
    Type: Grant
    Filed: November 23, 1994
    Date of Patent: October 7, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Ann Marion Brearley, James Joseph Lang, Ernest Keith Andrew Marchildon