Patents by Inventor Helge Guttorm Gundersen

Helge Guttorm Gundersen 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).

  • Antibacterially active hexamethylene-bis-biguanides
    Patent number: 4022834
    Abstract: There are disclosed new hexamethylene-bis-biguanides having antibacterial activity, and two processes for the preparation thereof. The new compounds have the general formula ##STR1## wherein R represents H, and R' represents an hexyl or pentyl group being substituted with one or two methyl groups, or represents a cycloalkyl group having more than 6 carbon atoms, a lower-alkyl-cycloalkyl group or a cycloalkyl-lower-alkyl group, or R and R' together with the adjacent nitrogen atom represent an azabicyclo(3,2,2)-nonane double ring.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: May 10, 1977
    Assignee: A/S Farmaceutisk Industri
    Inventor: Helge Guttorm Gundersen