Patents by Inventor Darwin F. Delapp

Darwin F. Delapp 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 pressure melamine resin laminates
    Patent number: 4128696
    Abstract: A heat and pressure consolidated structure comprising, in superimposed relationship,(A) a self-supporting substrate, and(B) a decorative .alpha.-cellulose paper sheet impregnated with a composition comprising(1) a blend of an aqueous melamine/formaldehyde resin solution and from about 2% to about 20.0% of an ethylene glycol or (2) an aqueous solution of the resinous reaction product of melamine, formaldehyde and from about 2.0% to about 20.0% of an ethylene glycol, is disclosed.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: December 5, 1978
    Assignee: Formica Corporation
    Inventors: James C. Goebel, Darwin F. Delapp, Kenneth D. Bunkowski