Patents by Inventor Gerard A. Verrijzer

Gerard A. Verrijzer 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 color, aromatic modified C5 hydrocaron resins
    Publication number: 20040171778
    Abstract: Low color, aromatic modified C5 hydrocarbon resins are disclosed. The resins are predominantly an aromatic modified piperylene resin. The resins are useful as tackifies in hot melt adhesives and hot melt pressure sensitive adhesives.
    Type: Application
    Filed: November 13, 2002
    Publication date: September 2, 2004
    Inventors: Chretien Pieter Louis C. Donker, Elisabeth E.C.G. Gielens, Gerard A. Verrijzer
  • Low color, aromatic modified C5 hydrocarbon resins
    Patent number: 6605680
    Abstract: Low color, aromatic modified C5 hydrocarbon resins are disclosed. The resins are predominantly an aromatic modified piperylene resin. The resins are useful as tackifiers in hot melt adhesives and hot melt pressure sensitive adhesives.
    Type: Grant
    Filed: April 7, 2000
    Date of Patent: August 12, 2003
    Assignee: Eastman Chemical Resins, Inc.
    Inventors: Chretien P. L. C. Donker, Ester E. C.G. Gielens, Gerard A. Verrijzer