Patents by Inventor Claus Hentschel

Claus Hentschel 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).

  • Fertilizers
    Patent number: 4402725
    Abstract: A fertilizer for the long term and uniform supply of plants with nutrient ions comprising a covalently crosslinked hydrogel in which are embedded ion exchangers which are laden with plant nutrients; furthermore a process for the long term and uniform supply of plants with nutrient ions wherein a covalently crosslinked hydrogel in which are embedded ion exchangers which are laden with plant nutrients is applied to the plants or their environment.
    Type: Grant
    Filed: March 6, 1981
    Date of Patent: September 6, 1983
    Assignee: Bayer Aktiengesellschaft
    Inventors: Harold Heller, Dietmar Schapel, Claus Hentschel, Manfred Dahm
  • Hydroculture plant pot with an inserted container for receiving a hydroculture fertilizer
    Patent number: 4161844
    Abstract: A plant pot for hydrocultures comprising an annular central compartment in the bottom and a container for fertilizer arranged in said compartment.
    Type: Grant
    Filed: December 12, 1975
    Date of Patent: July 24, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Claus Hentschel, Karl Martin, Leonard Volckaert
  • Rod for supporting plants and process for its manufacture
    Patent number: 4143105
    Abstract: The rot-resistant plant support which is aesthetically pleasing and can be inexpensively produced consists of a rod section and a plastics material which can be colored. The interior of the rod is finely porous while the surface zone has bark-like protuberances. The plant supports are manufactured by extrusion at processing temperatures in the tool adjusted to between 5 and 30.degree. C. above the temperatures conventionally employed for extruding foams with a smooth surface from the same thermoplasts.
    Type: Grant
    Filed: March 28, 1977
    Date of Patent: March 6, 1979
    Assignee: Bayer Aktiengesellschaft
    Inventors: Claus Hentschel, Wulf VON Bonin, Joachim Gehring, Dietrich Hardt