Patents by Inventor Detlef Grotkopp

Detlef Grotkopp 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).

  • Combating fungi with N-alkyl-carbamic acid 1,1,2-trimethyl-5-substituted-indan-4-yl esters
    Patent number: 4378371
    Abstract: Fungicidally active N-alkyl-carbamic acid 1,1,2-trimethyl-5-substituted-indan-4-yl esters of the formula ##STR1## in which R.sup.1 is an alkyl group,R.sup.2 is an alkyl or aralkyl group,R.sup.3 is a hydrogen atom, an alkyl group or a halogen atom, andR.sup.4 is a hydrogen atom, an alkyl group, a halogen atom, or an alkoxy or alkylmercapto group.
    Type: Grant
    Filed: January 2, 1981
    Date of Patent: March 29, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Horst Peuker, Detlef Grotkopp, Karlfried Wedemeyer, Wilhelm Brandes
  • Combating pests with 1,1-dimethyl-indan-4-yl N-alkyl-carbamic acid esters
    Patent number: 4316912
    Abstract: 1,1-Dimethyl-indan-4-yl N-alkyl-carbamic acid esters of the formula ##STR1## in which R.sup.1 is alkyl, andR.sup.2 and R.sup.3 each independently is hydrogen or alkyl, which possess fungicidal and arthropod development-inhibiting properties.
    Type: Grant
    Filed: February 19, 1980
    Date of Patent: February 23, 1982
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Grotkopp, Karlfried Wedemeyer, Wilhelm Brandes, Hans Scheinpflug, Peter Roessler
  • Combating pests with 3,3-dimethylindan-5-yl N-alkyl-carbamic acid esters
    Patent number: 4228181
    Abstract: 3,3-Dimethylindan-5-yl N-alkyl-carbamic acid esters of the formula ##STR1## in which R.sup.1 is alkyl,R.sup.2 is hydrogen or alkyl, andR.sup.3 and R.sup.4 each independently is chlorine or alkyl, which possess fungicidal and arthropod development-inhibiting properties.
    Type: Grant
    Filed: August 8, 1978
    Date of Patent: October 14, 1980
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Grotkopp, Karlfried Wedemeyer, Wilhelm Brandes, Hans Scheinpflug, Peter Roessler
  • Indan-5-yl-N-methylcarbamic acid esters
    Patent number: 4107324
    Abstract: Indan-5-yl-N-methylcarbamic acid esters of the formula ##STR1## in which R represents hydrogen or C.sub.1 -C.sub.4 alkyl,R.sup.1 represents hydrogen or C.sub.1 -C.sub.4 alkyl,R.sup.2 represents C.sub.1 -C.sub.4 alkyl,R.sup.3 represents hydrogen or C.sub.1 -C.sub.4 alkyl andR.sup.4 represents hydrogen, chlorine, bromine, C.sub.1 -C.sub.4 alkyl or C.sub.1 -C.sub.4 alkoxy,Which possess arthropodicidal and fungicidal properties.
    Type: Grant
    Filed: January 28, 1977
    Date of Patent: August 15, 1978
    Assignee: Bayer Aktiengesellschaft
    Inventors: Detlef Grotkopp, Karlfried Wedemeyer, Wolfgang Behrenz, Ingeborg Hammann