Patents by Inventor Hendrik J. Berg Van Den

Hendrik J. Berg Van Den 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).

  • PROCESS FOR THE PREPARATION OF A POLYMER HAVING IMPROVED DYEABILITY
    Publication number: 20090198039
    Abstract: Process for the preparation of a polymer comprising the polymerisation of corresponding monomers in the presence of a triazine compound of the formula where R1=-A-B where A=—O— or —NR4—, B=amino group-containing substituent and R4=hydrogen or alkyl group R2= where E=—O— or —NR5—, n=3 to 15, m=0 to 10 and R5 hydrogen or alkyl group R3=R1, R2, —OR6 or —NR7R8 where R6, R7 and R8=hydrogen, alkyl or aryl group, which in each case may be substituted or non-substituted.
    Type: Application
    Filed: November 16, 2006
    Publication date: August 6, 2009
    Inventors: Hendrik J. Berg Van Den, Albert A. Geenen,Van