Patents by Inventor Laszio Somogyi

Laszio Somogyi 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).

  • Method for the Reactive Coloration of Leather
    Publication number: 20070234488
    Abstract: The present invention relates to a process for dyeing leather with at least one dye F which has at least one alkaline-activable group of the formula A; where - - - - denotes the bond to the rest of the dye molecule; X is halogen, C1-C4-alkyl or C1-C4-alkoxy, k is 0, 1, 2 or 3, n is 0 or 1 and B is a CH?CH2 group or a CH2—CH2-Q group, where Q is an alkaline-detachable group, which comprises treating the leather with an aqueous float comprising at least one dye F at a pH of not less than 8, generally in the region of 8 to 11.
    Type: Application
    Filed: June 7, 2005
    Publication date: October 11, 2007
    Applicant: BASF Aktiengesellschaft
    Inventors: Laszio Somogyi, Andrea Zamponi, Harald Kiesow