Patents by Inventor Astrid Marleen Wolters-Zuur

Astrid Marleen Wolters-Zuur 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).

  • Polylactic acid products and their use
    Patent number: 9440393
    Abstract: The invention is directed to materials comprising polylactic acid (PLA). In accordance with the invention, PLA material is stretched in at least the machine direction at a total stretch ratio of 1:4 or more. These materials have excellent biodegradability and find use in horticulture, in particular for tying up plants or parts thereof.
    Type: Grant
    Filed: December 23, 2009
    Date of Patent: September 13, 2016
    Assignee: LANKHORST PURE COMPOSITES B.V.
    Inventor: Astrid Marleen Wolters-Zuur
  • POLYLACTIC ACID PRODUCTS AND THEIR USE
    Publication number: 20110293877
    Abstract: The invention is directed to materials comprising polylactic acid (PLA). In accordance with the invention, PLA material is stretched in at least the machine direction at a total stretch ratio of 1:4 or more. These materials have excellent biodegradability and find use in horticulture, in particular for tying up plants or parts thereof.
    Type: Application
    Filed: December 23, 2009
    Publication date: December 1, 2011
    Applicant: LANKHORST PURE COMPOSITES B.V.
    Inventor: Astrid Marleen Wolters-Zuur