Patents by Inventor Michael A. Davids

Michael A. Davids 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: 6548572
    Abstract: This invention relates to non-aqueous coating and ink formulations for use on flexible film or paper packages for food, which require aseptic packaging conditions. The printed and coated packaging materials, and methods of aseptic packaging, as well as the aseptic packages are also disclosed. The coating formulation comprises the following components: 1) a mixing varnish comprising a phenolic-modified co-solvent-type polyamide resin, 2) a nitrocellulose compound varnish, 3) a non-aqueous solvent mixture, and 4) specialty additives, and wherein all components present in the formulation are stable in the presence of an oxidizing agent.
    Type: Grant
    Filed: December 7, 1999
    Date of Patent: April 15, 2003
    Assignees: DuPont Canada Inc., Sun Chemical Limited
    Inventors: Alan Keith Breck, Michael A. Davids