Patents by Inventor Karl H aberle

Karl H aberle 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).

  • Azo dyestuff- and urethane-containing polyadduct and its use in nonlinear optics
    Patent number: 5616678
    Abstract: Azo dyestuff- and urethane-containing polyadducts comprising(a) at least one organic polyisocyanate,(b) at least one diol of a heterocyclic azo dyestuff,and if desired(c) one or more compounds having at least two groups reactive to NCO, which have an average molecular weight M.sub.n of up to 500 g/mol, and/or(d) one or more polyhydroxy compounds having average molecular weights M.sub.n of from over 500 up to 5000 g/mol.These polyadducts are suitable for applications in nonlinear optics.
    Type: Grant
    Filed: October 19, 1994
    Date of Patent: April 1, 1997
    Assignee: BASF Aktiengesellschaft
    Inventors: Stefan Beckmann, Karl-Heinz Etzbach, R udiger Sens, Karl H aberle
  • Water-emulsifiable polyisocyanates
    Patent number: 5583176
    Abstract: Water-emulsifiable polyisocyanates, containinga) aliphatic, cycloaliphatic or aromatic polyisocyanates andb) reaction products of the abovementioned polyisocyanates with compounds which contain at least one group ##STR1## in short called a sulfo group, and at least one isocyanate-reactive group.
    Type: Grant
    Filed: September 22, 1995
    Date of Patent: December 10, 1996
    Assignee: BASF Aktiengesellschaft
    Inventor: Karl H aberle