Patents by Inventor Frank Ziemer

Frank Ziemer 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-fluoroacrylic acid derivatives, novel mixtures of herbicides and antidotes, and their use
    Patent number: 5972839
    Abstract: The invention relates to novel .alpha.-fluoroacrylic acid derivatives, to active compound/antidote combinations which comprise .alpha.-fluoroacrylic acid derivatives and are outstandingly suitable for use in crops of useful plants, to their use and to methods for protecting crop plants.
    Type: Grant
    Filed: December 17, 1997
    Date of Patent: October 26, 1999
    Assignee: Hoechst Schering AgrEvo GmbH
    Inventors: Frank Ziemer, Lothar Willms, Klaus Bauer, Hermann Bieringer, Christopher Rosinger, Jacques Demassey
  • Mixtures of herbicides and antidotes, (hetero)-aryloxy compounds, their preparation, compositions containing them, and their use
    Patent number: 5698539
    Abstract: The invention relates to crop protection agents which comprise an active substance combination of herbicide and safener. The herbicides are selected from the group comprising the ALS inhibitors (ALS=acetolactate synthase) such as sulfonylureas, imidazolines, triazolopyrimidinesulfonamides, pyrimidyloxypyridinecarboxylic acid derivatives and pyrimidyloxybenzoic acid derivatives. The safeners are compounds of the formula I ##STR1## which are as defined in claim 1, where Z and Y are N or CH, it being possible for H to be replaced by X,X is H, Hal, haloalkyl or -alkoxy, alkyl, alkoxy, alkylthio, NO.sub.2, NH.sub.2, CN, alkylsulfonyl,A is alkylene or alkenylene,B is carboxyl or a derivative of the carboxyl group.The mixtures are mainly suitable for controlling harmful plants in the crops maize and cereals.
    Type: Grant
    Filed: June 5, 1995
    Date of Patent: December 16, 1997
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Frank Ziemer, Lothar Willms, Klaus Bauer, Hermann Bieringer
  • 5-chloroquinolin-8-oxyalkanecarboxylic acid derivatives, useful as antidotes for herbicides
    Patent number: 5380852
    Abstract: Disclosed are compounds of the formula (I): ##STR1## The substituents are disclosed in the specification. The compounds are herbicidal safenets. Accordingly, processes for the preparation and use of the compounds of formula (I) are also disclosed.
    Type: Grant
    Filed: December 19, 1991
    Date of Patent: January 10, 1995
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Rainer Schutze, Heinz-Josef Loher, Frank Ziemer, Klaus Bauer, Hermann Bieringer