Patents by Inventor Ilse Hagedorn

Ilse Hagedorn 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).

  • Bis-quaternary pyridinium-2-aldoxime salts and a process for their preparation
    Patent number: 4128651
    Abstract: Bis-quaternary pyridinium-2-aldoxime salts of the formula ##STR1## wherein R is --CO--R.sup.1, --CO--NR.sup.2 R.sup.3 or --COOR.sup.4 ; R.sup.1 is alkyl of 1 - 6 carbon atoms, cyclohexyl, Ar or benzyl; R.sup.2 is H, alkyl of 1 - 6 carbon atoms, cyclohexyl, Ar, aralkyl of 7 - 13 carbon atoms or 2-pyrimidyl; R.sup.3 is alkyl of 2 - 6 carbon atoms, cyclohexyl, Ar, aralkyl of 7 - 13 carbon atoms or 2-pyrimidyl; R.sup.4 is alkyl of 2 - 6 carbon atoms, cyclohexyl, Ar or benzyl; Ar is phenyl or phenyl monosubstituted or polysubstituted by alkyl of 1 - 4 carbon atoms, methoxy, Cl, or naphthyl and X is Cl, Br or I, are antidotes for phosphorus-containing pesticides and chemical warfare agents.
    Type: Grant
    Filed: April 11, 1977
    Date of Patent: December 5, 1978
    Assignee: Merck Patent Gesellschaft mit beschrankter Haftung
    Inventor: Ilse Hagedorn