Patents by Inventor Manfred Sulflow

Manfred Sulflow 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).

  • Mixtures of reactive dyes for navy shades
    Patent number: 5632783
    Abstract: Reactive dye mixtures comprising the dyes of the formulae ##STR1## where Kat.sup..sym. is a cation, L is C.sub.2 -C.sub.4 -alkylene, and X.sup.1, X.sup.2, Y.sup.1 and Y.sup.2 are each vinyl or a radical of the formula C.sub.2 H.sub.4 -Q, where Q is a group detachable under alkaline reaction conditions, in a weight ratio of from 20:80 to 90:10, are useful for dyeing or printing hydroxyl-containing or nitrogenous organic substrates.
    Type: Grant
    Filed: February 28, 1996
    Date of Patent: May 27, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Reinhold Krallmann, Manfred Sulflow