Patents by Inventor George Schriver

George Schriver 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).

  • Publication number: 20070093626
    Abstract: The invention is directed to a method of making ultra high molecular weight diallyldialkyl ammonium salt homopolymers, compositions thereof and use of compositions as a fixative in papermaking.
    Type: Application
    Filed: October 19, 2006
    Publication date: April 26, 2007
    Inventors: Zhiqiang Song, George Schriver, Holger Reinicke
  • Publication number: 20070028805
    Abstract: The present invention relates to polymerizable N-substituted acrylamide phosphorus-containing monomers, organic polymers formed from the same. Incorporation of said monomers into adhesives, pigment dispersants, coatings or films for polar surfaces or particles gives improved adhesive, anti-corrosive, and flame retardant properties.
    Type: Application
    Filed: June 29, 2006
    Publication date: February 8, 2007
    Inventors: Liliana Craciun, Orest Polishchuk, George Schriver, Gabriele Baisch, Reinhold Ohrlein
  • Publication number: 20050222458
    Abstract: The invention is directed to a process for the preparation of ?,?-unsaturated acids, esters and amides from ?- or ?-hydroxycarboxylic acids or esters or precursors in high yields and high selectivity. The ?,?-unsaturated acids or esters are optionally prepared in the presence of specific dehydration and/or esterification catalysts. The ?,?-unsaturated amides or substituted amides are prepared optionally in the presence of a dehydration and/or amidation catalyst. The source of ?- or ?-hydroxycarboxylic acids or precusor is preferably from a renewable resource. The precursor is defined herein.
    Type: Application
    Filed: March 30, 2005
    Publication date: October 6, 2005
    Inventors: Liliana Craciun, Gerald Benn, John Dewing, George Schriver, William Peer, Bernd Siebenhaar, Urs Siegrist