Patents by Inventor Ronald Staib

Ronald Staib 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).

  • Michael addition adducts as additives for paper and papermaking
    Publication number: 20080009596
    Abstract: Several Michael addition adducts of vinylamines with ?,?-unsaturated alkyl carbonyl compounds including amides, esters and acids, particularly acrylamide are presented. Additionally, a process for producing these Michael addition adducts is described. These adducts are generally useful in the manufacture of paper and are particularly useful as dry strength additives to make paperboard products using a papermaking machine.
    Type: Application
    Filed: May 18, 2007
    Publication date: January 10, 2008
    Inventors: Qu-Ming Gu, Ronald Staib
  • Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems
    Publication number: 20060142535
    Abstract: This invention relates to resins useful for imparting strength to paper, the process of incorporating these resins into paper and the paper produced containing the resins. In particular the invention relates to resins useful for imparting dry-strength and wet-strength to paper under conditions of high sulfite ion concentrations.
    Type: Application
    Filed: December 15, 2005
    Publication date: June 29, 2006
    Inventors: Shane Cyr, Henk Bakker, Willem Stevels, Ronald Staib