Patents by Inventor Guenter Rist

Guenter Rist 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).

  • Formamido-carbamates and their use for combating pests
    Patent number: 4425361
    Abstract: Formamido-carbamates of the formula ##STR1## wherein R.sub.1 is ##STR2## R.sub.2 is ##STR3## or R.sub.4 --CH.sub.2 --CH.sub.2 --, R.sub.3 is hydrogen, ##STR4## R.sub.4 is ##STR5## R.sub.5, R.sub.6 and R.sub.7 independently of one another are each hydrogen, halogen or C.sub.1 -C.sub.4 -alkyl,processes for producing them and their use for combating pests are described.
    Type: Grant
    Filed: November 18, 1981
    Date of Patent: January 10, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Dieter Lohmann, Christian d'Hondt, Guenter Rist