Patents by Inventor Thomas Roetsch

Thomas Roetsch 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).

  • Herbicides containing 3-aminobenzo(B)thiophenes as antidotes
    Patent number: 5491123
    Abstract: Herbicides contain one or more antagonistic 3-aminobenzo[b]thiophenes I ##STR1## wherein the variables on the compound of formula I are defined in the specification.A) the group consisting of the cyclohexenone derivatives orB) the group consisting of the 4-hetaryloxyphenoxyacetic acid derivatives.
    Type: Grant
    Filed: February 4, 1994
    Date of Patent: February 13, 1996
    Assignee: BASF Aktiengesellschaft
    Inventors: Helmut Hagen, Gerhard Nilz, Thomas Roetsch, Helmut Walter, Andreas Landes
  • Benzisothiazole- and benzothiophene-azo dyes with a coupling component of the aniline series
    Patent number: 5342928
    Abstract: Azo dyes useful for dyeing or printing textile fibers or fabrics and containing novel aminobenzo heterocycles as diazo component have the formula ##STR1## where X is nitrogen or a radical of the formula CR.sup.6, where R.sup.6 is hydrogen, C.sub.1 -C.sub.4 -alkoxycarbonyl or C.sub.1 -C.sub.6 -alkanoyl,R.sup.1 and R.sup.2 are substituted or unsubstituted C.sub.1 -C.sub.10 -alkyl or substituted or unsubstituted C.sub.3 -C.sub.4 -alkenyl or additionally in the case of R.sup.1 hydrogen,R.sup.3 is hydrogen or C.sub.1 -C.sub.4 -alkoxy,R.sup.4 is C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.4 -alkoxy, substituted or unsubstituted C.sub.1 -C.sub.8 -alkanoylamino, C.sub.1 -C.sub.4 -alkylsulfonylamino, C.sub.3 -C.sub.4 -alkenoylamino or substituted or unsubstituted C.sub.1 -C.sub.4 -alkoxycarbonylamino, andR.sup.5 is hydrogen, nitro, halogen, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylthio or cyano.
    Type: Grant
    Filed: April 30, 1993
    Date of Patent: August 30, 1994
    Assignee: BASF Aktiengesellschaft
    Inventors: Thomas Roetsch, Helmut Hagen, Helmut Reichelt, Clemens Grund