Patents by Inventor Emile M. Devroede

Emile M. Devroede 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).

  • Temporary protective coating composition of ethylene and acrylic acid and a base
    Patent number: 4540736
    Abstract: The aqueous, liquid composition, the method of preparation of the composition, and the method of use of the composition as a temporary coating. The composition comprises water, a copolymer of ethylene and an alpha,beta-ethylenically unsaturated carboxylic acid having a number average molecular weight of from about 500 to 5000 and an acid number of at least 100 milligrams of potassium hydroxide necessary to neutralize one gram of copolymer. There should be a sufficient amount of a base which is preferably volatile, to form a clear, aqueous liquid composition.
    Type: Grant
    Filed: May 17, 1982
    Date of Patent: September 10, 1985
    Assignee: Allied Corporation
    Inventors: Joris F. A. Herten, Emile M. Devroede
  • Adhesive polyamide resin compositions containing high acid number copolymers
    Patent number: 4132690
    Abstract: Adhesive polyamide resin compositions, such as hot melts, containing conventional components are improved by inclusion of a normally solid, homogeneous copolymer of ethylene and an unsaturated carboxylic acid having an acid number of at least about 100 and a number average molecular weight between 500 and 5,000.
    Type: Grant
    Filed: September 27, 1976
    Date of Patent: January 2, 1979
    Assignee: Allied Chemical Corporation
    Inventors: Tjeerd Eernstman, Christopher J. Auger, Emile M. Devroede