Patents by Inventor Andres de Witt H.

Andres de Witt H. 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).

  • Patent number: 8932708
    Abstract: Gas generating and releasing articles consisting essentially of a polymer and a gas generating solid dispersed therein are described. The article generates a controlled fast and followed by a slow release gas in response to moisture.
    Type: Grant
    Filed: October 17, 2007
    Date of Patent: January 13, 2015
    Assignee: Intellipack Quimas S.A.
    Inventors: Peter Kwong, Andres de Witt H.
  • Publication number: 20090104442
    Abstract: Gas generating and releasing articles consisting essentially of a polymer and a gas generating solid dispersed therein are described. The article generates a controlled fast and followed by a slow release gas in response to moisture.
    Type: Application
    Filed: October 17, 2007
    Publication date: April 23, 2009
    Applicant: INTELLIPACK QUIMAS S.A.
    Inventors: Peter Kwong, Andres de Witt H.