Patents by Inventor Merlin Lee

Merlin Lee 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).

  • Non-toxic insecticide composition and method for killing specific insects
    Patent number: 5110804
    Abstract: Non-toxic insecticide composition for killing white flies, scale insects and mealy bugs comprising a viscous aqueous solution of modified cold water swelling corn starch consisting essentially of amylopectin prepared from intact fully-swollen corn granules as determined by microscopic analysis. The solution is used to entrap and/or asphyxiate the insects.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: May 5, 1992
    Assignee: Agrisystemen Limited
    Inventor: Merlin Lee
  • Non-toxic insecticide composition and method for killing specific insects
    Patent number: 5089266
    Abstract: Non-toxic insecticide composition for killing aphids, leafhoppers and spider mites comprising an aqueous solution of sodium carboxymethylcellulose having a preferred viscosity of 100 to 500 centistokes. The solution is used to entrap the insects or the spiracles of the tracheal system.
    Type: Grant
    Filed: October 10, 1989
    Date of Patent: February 18, 1992
    Inventor: Merlin Lee