Patents by Inventor Ralph Walter Nugent

Ralph Walter Nugent 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 of making a shaped article from nylon polymer
    Patent number: 5925300
    Abstract: A process for making shaped articles from nylon polymer by melting the polymer and forming the molten polymer into articles is improved by adding to the polymer at least about 5 ppm of an additive compound selected from the group consisting of magnesium, calcium and zinc salts of aliphatic dicarboxylic acids having 2 to 14 carbon atoms.
    Type: Grant
    Filed: March 5, 1997
    Date of Patent: July 20, 1999
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Joseph V. Kurian, Ralph Walter Nugent
  • Nylon containing nucleation additives
    Patent number: 5654355
    Abstract: A process for making shaped articles from nylon polymer by melting the polymer and forming the molten polymer into articles is improved by adding to the polymer at least about 5 ppm of an additive compound selected from the group consisting of magnesium, calcium and zinc salts of aliphatic dicarboxylic acids having 2 to 14 carbon atoms.
    Type: Grant
    Filed: September 15, 1995
    Date of Patent: August 5, 1997
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Joseph V. Kurian, Ralph Walter Nugent