Patents by Inventor Kurt Ley, deceased

Kurt Ley, deceased 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).

  • 2,4-Dioxo-hexahydro-1,3,5-triazines
    Patent number: 4080502
    Abstract: Compounds of the formula are disclosed: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 are identical or different and represent an optionally substituted alkyl, alkenyl, cycloalkyl or an aryl group andR.sup.4 represents a monosubstituted or polysubstituted aryl group, containing at least one substituent which favours electrophilic aromatic substitution.
    Type: Grant
    Filed: December 22, 1975
    Date of Patent: March 21, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Florin Seng, Kurt Ley, deceased