Patents by Inventor Adriaan Cornelis Lambertus Maria Van Der Waals

Adriaan Cornelis Lambertus Maria Van Der Waals 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).

  • Adhesive composition with increased cure rate
    Patent number: 6881817
    Abstract: Adhesive composition consisting of an aminoplast resin with a free formaldehyde-like compound being present. In particular an adhesive composition consisting of a melamine-urea-formaldehyde resin to which a free formaldehyde-like compound has been added so that F/(NH2)2 is equal to 0.8-1.6. The adhesive is in particular suitable for the preparation of board material by combining in a press cellulose-containing materials with the adhesive according to the invention and in this press manufacturing board material at elevated temperature and pressure.
    Type: Grant
    Filed: August 19, 2002
    Date of Patent: April 19, 2005
    Assignee: DSM IP Assets B.V.
    Inventors: Adriaan Cornelis Lambertus Maria Van Der Waals, Gerard Evert Oosting, Jozef Maria Johannes Mattheij