Patents by Inventor Luis Eek-Vancells

Luis Eek-Vancells 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 for the manufacture of paraformaldehyde
    Patent number: 5686554
    Abstract: The process comprises providing a formaldehyde solution at a concentration of 80-89%; heating the solution to a temperature of 80.degree.-100.degree. C.; pouring the heated solution over heated zones on a metal belt conveyor travelling from the heated zones to other, chilled zones. The formaldehyde solution is preferably previously mixed with a catalyst.
    Type: Grant
    Filed: July 10, 1995
    Date of Patent: November 11, 1997
    Assignee: Patentes Y Novedades, S.L.
    Inventor: Luis Eek-Vancells