Patents by Inventor Uta Ecker

Uta Ecker 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).

  • Microbicidal compositions based on dibromo-thiophene-carboxylic acid derivatives
    Patent number: 5789437
    Abstract: New microbicidal compositions based on dibromo-thiophene-carboxylic acid derivatives which are known in some cases, of the formula ##STR1## in which R represents the groups --XR.sup.1, --NR.sup.2 R.sup.3, --NR.sup.4 OR.sup.5 or --NR.sup.4 --N(R.sup.5).sub.2, whereX represents oxygen or sulphur andR.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 have the meanings indicated in the description, and the use of these substances for controlling undesired microorganisms.New dibromo-thiophene-carboxylic acid derivatives of the formula ##STR2## in which R.sup.9 represents the groups --SR.sup.1, --OR.sup.10, ##STR3## in which R.sup.1, R.sup.4, R.sup.5, R.sup.10, R.sup.11, R.sup.12 and R.sup.13 have the meaning indicated in the description, and processes for the preparation of the substances of the formula (I-A).
    Type: Grant
    Filed: October 4, 1996
    Date of Patent: August 4, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hans-Ludwig Elbe, Lutz Assmann, Ralf Tiemann, Uta Ecker, Gerd Hanssler, Heinz-Wilhelm Dehne