Patents by Inventor Herbert Hartung

Herbert Hartung 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).

  • Quaternary N-alkyl-N,N',N'-polyoxyalkyl-.alpha.,.omega.-diamino-alkylene fatty acid esters, and their use
    Patent number: 4515723
    Abstract: Quaternary N-alkyl-N,N'-,N'-polyoxyalkyl-.alpha.,.omega.-diamino-alkylene fatty acid esters of the formula (1) ##STR1## in which R.sub.1 is C.sub.8 -C.sub.30, preferably C.sub.16 -C.sub.18 -alkyl, or C.sub.8 -C.sub.30, preferably C.sub.16 -C.sub.18 -alkenyl,R.sub.2 is C.sub.1 -C.sub.4 -alkyl, preferably methyl,R.sub.3 is C.sub.7 -C.sub.29, preferably C.sub.15 -C.sub.17 -alkyl or C.sub.7 -C.sub.29, preferably C.sub.15 -C.sub.17 -alkenyl,x and y each are hydrogen or methyl with the proviso that x and y are not simultaneously methyl,a is 0, 1 or 2,n is an integer of from 1 to 11, preferably 1,m is 1 or 2,p is an integer or from 1 to 5, preferably 3, andA is an anion, preferably a halogen, methosulfate or methophosphate ion.These compounds are prepared by esterifying the basis oxalkylated alkylene diamines with fatty acids and subsequent quaternization. They are used as softeners.
    Type: Grant
    Filed: July 6, 1982
    Date of Patent: May 7, 1985
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Siegfried Billenstein, Herbert Hartung, Adolf May, Hans-Walter Bucking
  • 2-Carboxamido-substituted tetracyclines and process for their manufacture
    Patent number: 3983173
    Abstract: 2-Carboxamido-substituted tetracyclines of the general formula ##SPC1##A process for their preparation and compositions containing these compounds.
    Type: Grant
    Filed: October 31, 1974
    Date of Patent: September 28, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Herbert Hartung, Walter Durckheimer, Elmar Schrinner, Hermann Gerhards