Patents by Inventor Irma Linderborg

Irma Linderborg 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).

  • Patent number: 4585795
    Abstract: A control agent composition for protecting timber against fungi which cause sapstain and mildew is disclosed. It contains as a synergistic mixture an alkali metal salt of some biocidal organic acid and one or several quaternary ammonium salts belonging to the group of monoalkyltrimethyl-, dialkyldimethyl- and alkylaryldimethylammonium chlorides and alkylpyridinium chlorides. In the molecules of these the alkyl groups contain 8-18 C atoms.
    Type: Grant
    Filed: April 24, 1985
    Date of Patent: April 29, 1986
    Assignee: Kymi Kymmeno Oy
    Inventor: Irma Linderborg