Patents by Inventor Heinz A. Staab

Heinz A. Staab 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).

  • Tetrakis(dialkylamino)aromatics and their charge transfer complexes
    Patent number: 4999441
    Abstract: Tetrakis(dialkylamino)aromatics Ia to Ic ##STR1## where the radicals A may be identical or different and are n-C.sub.1 -C.sub.6 -alkyl and the radicals R may be identical or different and are hydrogen or C.sub.1 -C.sub.6 -alkyl, and their charge transfer complexes with electron acceptors, and the preparation of Ia to Ic from the corresponding N-unsubstituted amines by alkylation with A'--CHO (where A'.dbd.H or N-C.sub.1 -C.sub.5 -alkyl) and reduction with NaBH.sub.3 CN.The charge transfer complexes of Ia and Ic are used to prepare electrically conductive polymers.
    Type: Grant
    Filed: April 17, 1989
    Date of Patent: March 12, 1991
    Assignee: Max-Planck-Gesellschaft zur Foerderung der Wissenschaften e.V.
    Inventors: Heinz A. Staab, Karin Elbl
  • Cyclically substituted fulvalenophanes
    Patent number: 4298751
    Abstract: Cyclically substituted fulvalenophanes of the formula ##STR1## where X is S, Se or Te, R is H or lower alkyl, A is --(CH.sub.2).sub.n --and Z is a radical of the formula ##STR2## a p-phenylene radical or a quinodimethane radical of the formula ##STR3## where the radicals R.sup.2 and R.sup.3 are halogen, carboxylic acid ester groups or cyano and R.sup.3 may also be hydrogen, and the quinodimethane ring may be substituted by halogen, nitro or cyano.
    Type: Grant
    Filed: August 8, 1980
    Date of Patent: November 3, 1981
    Assignee: Basf Aktiengesellschaft
    Inventors: Heinz Staab, Joachim Ippen