Patents by Inventor Albertus Zandvoort

Albertus Zandvoort 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).

  • Compositions and process
    Patent number: 4480070
    Abstract: Isocyanate compositions are disclosed which yield aqueous emulsions on admixture with water. The emulsions are sufficiently stable to permit employment as particle board binders and like uses. The compositions of the invention are derived by reaction of a polymethylene polyphenyl polyisocyanate with a particular group of polyethylene glycols which have been capped with a block of propylene oxide residues.
    Type: Grant
    Filed: June 27, 1983
    Date of Patent: October 30, 1984
    Assignee: The Upjohn Company
    Inventors: Filippus Bosscher, John Penfold, Klaus W. Reich, Albertus Zandvoort