Patents by Inventor Bart Heijne

Bart Heijne 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).

  • Fungicidally active pyrazole compounds
    Patent number: 5212197
    Abstract: The invention relates to new, fungicidally active pyrazole compounds of the general formula ##STR1## wherein Ar is an unsubstituted phenyl group or a phenyl group, substituted with 1 or 2 substituents selected from the group consisting of C.sub.1 -C.sub.4 alkyl, halogen, nitro, cyano and C.sub.1 -C.sub.4 alkoxy, or with 3 halogen atoms,R is a C.sub.1 -C.sub.12 alkyl group,R.sub.1 is a C.sub.1 -C.sub.4 alkyl group, andY is CH or N.The invention also relates to new imidazolylvinyldithioacetals, suitable as starting materials for preparing said new pyrazole compounds and also having fungicidal activity.
    Type: Grant
    Filed: April 8, 1992
    Date of Patent: May 18, 1993
    Assignee: Duphar International Research B.V.
    Inventors: Hendrik Dolman, Johannes Kuipers, Leonarda C. Niemann, Bart Heijne