Patents by Inventor Elmar Antfang

Elmar Antfang 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).

  • Coated granules containing liquid and solid active compounds
    Patent number: 5326573
    Abstract: In the combating of agricultural and horticultural pests by applying to a locus from which it is desired to exclude such pests a normally liquid active compound and a normally solid active compound, the improvement which comprises applying such active compound in the form of granules comprisinga) carrier granules having a non-absorptive surface,b) at least one liquid active compound and at least one solid active compound,c) at least one adhesive based on polyurethane as a binder, optionally mixed with a further adhesive selected from the group consisting of polyvinyl acetate, polyvinylpyrrolidine, polyvinyl alcohol, vinyl acetate/di-n-butyl maleate copolymers, acrylic acid ester, vinyl acetate/ethylene, vinyl acetate/ethylene/vinyl chloride, vinyl acetate/acrylic acid ester, vinyl acetate/vinyl ester and styrene/acrylic acid ester, andd) optionally an additive.
    Type: Grant
    Filed: February 23, 1993
    Date of Patent: July 5, 1994
    Assignee: Bayer Aktiengesellschaft
    Inventors: Elmar Antfang, Dimitrios Kerimis, Rolf-Jurgen Singer
  • Carrier granules containing liquid active compounds
    Patent number: 5047243
    Abstract: In the combating of agricultural and horticultural pests by applying to a locus from which it is desired to exclude such pests a normally liquid active compound and a normally solid active compound, the improvement which comprises applying such active compound in the form of granules comprisinga) carrier granules having a non-absorptive surface,b) at least one liquid active compound,c) at least one adhesive based on polyurethane as a binder, optionally mixed with a further adhesive selected from the group consisting of polyvinyl acetate, polyvinylpyrrolidine, polyvinyl alcohol, copolymers of vinyl acetate/di-n-butyl maleate, acrylic acid ester, vinyl acetate/ethylene, vinyl acetate/ethylene/vinyl chloride, vinyl acetate/acrylic acid ester, vinyl acetate/vinyl ester and styrene/acrylic acid ester, andd) optionally an additive.
    Type: Grant
    Filed: January 5, 1990
    Date of Patent: September 10, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Elmar Antfang, Dimitrios Kerimis, Rolf-Jurgen Singer