Patents by Inventor Bertold Honigmann

Bertold Honigmann 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).

  • Dye mixtures
    Patent number: 4354969
    Abstract: Dye mixtures which contain dyes of the formula I ##STR1## where R.sup.1 and R.sup.2 have the following meanings:______________________________________ Dye R.sup.1 R.sup.2 ______________________________________ 1 C.sub.2 H.sub.4 OH (CH.sub.2).sub.3 OC.sub.2 H.sub.4 OC.sub.6 H.sub.5 2 (CH.sub.2).sub.3 OC.sub.2 H.sub.4 OC.sub.6 H.sub.5 C.sub.2 H.sub.4 OH 3 (CH.sub.2).sub.3 O(CH.sub.2).sub.4 OH H 4 H (CH.sub.2).sub.3 O(CH.sub.2).sub.4 OH.
    Type: Grant
    Filed: June 30, 1980
    Date of Patent: October 19, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Georg Henning, Bertold Honigmann, Gunther Lamm
  • .beta.-Modified azo dye
    Patent number: 3956270
    Abstract: A new .beta.-modification of the dye of the formula: ##SPC1##Which is eminently suitable for dyeing polyesters in particular and which is surprisingly more stable under dyeing conditions than the modification already known.
    Type: Grant
    Filed: October 4, 1973
    Date of Patent: May 11, 1976
    Assignee: BASF Aktiengesellschaft
    Inventors: Leonhard von Rambach, Ewald Daubach, Bertold Honigmann