Patents by Inventor Jacob Terpstra

Jacob Terpstra 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).

  • Pet's chew
    Patent number: 8137731
    Abstract: The invention relates to a pet's chew prepared from natural materials of renewable sources. The chew is both edible and biodegradable, and is furthermore both tough, flexible and dimensionally stable, and maintains these characteristics over a much longer time than chew known in the art.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: March 20, 2012
    Assignee: Paragon Pet Products Europe B.V.
    Inventors: Willem Theodoor Martinus Pater, Geraldus Gerardus Johannes Schennink, Jacob Terpstra
  • Pet's Chew
    Publication number: 20070212473
    Abstract: The invention relates to a pet's chew prepared from natural materials of renewable sources. The chew is both edible and biodegradable, and is furthermore both tough and flexible, and maintains these characteristics over a much longer time than chew known in the art.
    Type: Application
    Filed: October 13, 2004
    Publication date: September 13, 2007
    Inventors: Willem Pater, Geraldus Schennink, Jacob Terpstra
  • Process for making paper
    Patent number: 6767430
    Abstract: The invention relates to a process for making paper and to the use of starch in said process. In particular, the invention relates to a process for making paper, wherein in the wet-end a cross-linked starch is added to an aqueous suspension of cellulose-based fibers, which starch has a degree of cross-linking of, measured as a FANN viscosity at 300 rpm, of less than 50 mPas, and a FANN-A value of less than 2.5.
    Type: Grant
    Filed: August 28, 2002
    Date of Patent: July 27, 2004
    Assignee: Cooperatieve Verkoop-en Productievereniging van Aardappelmeel en Derivaten AVEBE B.A.
    Inventors: Thomas Albert Wielema, Jan Hendriks, Ronald Peter W. Kesselmans, Jacob Terpstra
  • Process for making paper
    Publication number: 20030145966
    Abstract: The invention relates to a process for making paper wherein an anionic starch, which is based on a starch comprising at least 95 wt. %, based on dry substance of the starch, of amylopectin, or a derivative of said starch, is used in combination with a fixative as a strengthening agent.
    Type: Application
    Filed: November 27, 2002
    Publication date: August 7, 2003
    Applicant: COOPERATIEVE VERKOOP-EN PRODUCTIEVERENIGING VAN AARDAPPELMEEL EN DERIVATEN AVEBE B.A.
    Inventors: Jacob Terpstra, Jan Hendriks