Patents by Inventor Hanns-Dietmar Haertl

Hanns-Dietmar Haertl 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).

  • Flocking of textile sheet materials
    Patent number: 4122219
    Abstract: In the manufacture of flocked textiles by applying a polymer emulsion, flocking and drying, a heat-sensitized polymer emulsion is used and the emulsion coat is first only gelled, by heating, in the zone adjoining the textile substrate, and is then flocked and dried at an elevated temperature.
    Type: Grant
    Filed: May 5, 1975
    Date of Patent: October 24, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Fickeisen, Gert Elschnig, Hanns-Dietmar Haertl, Kurt Wendel, Klaus Eisentraeger
  • Copolyamides from lactam and diamine salts of two different dicarboxylic acids
    Patent number: 4102871
    Abstract: Copolyamides which are manufactured using (A) from 1 to 60 parts by weight of a cyclic lactam of 6 to 12 carbon atoms and/or an .omega.-aminocarboxylic acid of 6 to 20 carbon atoms and (B) from 40 to 99 parts by weight of the salt of at least two different dicarboxylic acids of the general formula HOOC-R-COOH where R is an aliphatic or cycloaliphatic radical of 4 to 46 carbon atoms with (a) cycloaliphatic and/or aliphatic diamines of 4 to 20 carbon atoms, which possess at least one secondary amino group and (b) optionally, up to 0.3 equivalent of primary .alpha.,.omega.-diamines of 2 to 20 carbon atoms, are excellent hot-melt adhesives.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: July 25, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Peter Horn, Hanns-Dietmar Haertl, Karl Heinz Illers