Patents by Inventor Franciscus Huburtus Maria Stappers

Franciscus Huburtus Maria Stappers 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).

  • Coating composition based on thiol-NCO curing
    Patent number: 7709555
    Abstract: Coating composition comprising one or more polythiols and one or more polyisocyanates and a latent base catalyst which is activatable by moisture, wherein the equivalence ratio NCO:SH is between 1:2 and 2:1. The latent catalyst is selected from the group of oxazolidine, aldimine, ketimine, and enamine. The latent catalyst is present in an amount of up to 20% relative to the weight of the curable material. The composition further comprises one or more photoinitiators in an amount of up to 4% relative to the weight of the curable material.
    Type: Grant
    Filed: September 16, 2005
    Date of Patent: May 4, 2010
    Assignee: Akzo Nobel Coatings International
    Inventors: Franciscus Huburtus Maria Stappers, Joseph Theodorus Maria Van Dijk