Patents by Inventor Detlef Döhnert

Detlef Döhnert 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).

  • Container made from plastics materials with a polymeric organofluorine interior coating for active-compound formulations for crop protection or protection of materials
    Patent number: 8790760
    Abstract: The present invention relates to the use of containers comprising plastic materials, whose inner walls are provided with a polymeric, organofluorine coating which has a multiplicity of perfluoroalkyl groups on its surface, for active substance formulations for crop protection or material protection.
    Type: Grant
    Filed: July 25, 2006
    Date of Patent: July 29, 2014
    Assignee: BASF SE
    Inventors: Harald Keller, Detlef Döhnert, Winfried Mayer, Hilar Altenhofer
  • Packaging assembly for flowable materials
    Patent number: 7828174
    Abstract: The present invention is directed to a packaging assembly for flowable materials comprising a casing (1) having at least one opening (9), a valve assembly (7) mounted in the opening (9) of the casing (1) and a flexible liner (23) for accommodating the flowable material, said flexible liner (23) being housed in the casing (1) and connected to the valve assembly (7), whereby the valve assembly (7) comprises a dry break extractor valve (17) for closed transfer dispense of the flowable material.
    Type: Grant
    Filed: November 25, 2005
    Date of Patent: November 9, 2010
    Assignees: BASF SE, Wisdom Agricultural (Investments) Limited
    Inventors: Detlef Doehnert, Richard Garnett, Roy Metcalf
  • Preparation of o-(1-methoxy-2-chloro)-ethoxyphenyl N-methylcarbamate
    Patent number: 4788324
    Abstract: O-(1-Methoxy-2-chloro)ethoxyphenyl N-methylcarbamate is prepared by reacting pyrocatechol carbonate with methylamine and then reacting the resulting pyrocatechol monomethylcarbamate with 1,2-dichloroethyl methyl ether in the presence of a secondary amine.
    Type: Grant
    Filed: September 25, 1987
    Date of Patent: November 29, 1988
    Assignee: BASF Aktiengesellschaft
    Inventors: Gernot Reissenweber, Siegfried Kersten, Detlef Doehnert