Patents by Inventor David J. Broadbent

David J. Broadbent 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).

  • Insecticidal compositions utilizing 2-pyrrolidones having enhanced insect knockdown characteristics
    Patent number: 4595679
    Abstract: A liquid insecticidal composition having enhanced insect knockdown comprising an active insecticide, a liquid medium for emulsifying, dispersing, or solubilizing the insecticide, and at least one of N-vinyl 2-pyrrolidone, N-methyl 2-pyrrolidone, and 2-pyrrolidone. The amphiphilic solvency characteristics of the 2-pyrrolidones increases the penetration of the insecticide into the body of the insect to provide enhanced insect knockdown.
    Type: Grant
    Filed: November 23, 1984
    Date of Patent: June 17, 1986
    Assignee: S. C. Johnson & Son, Inc.
    Inventor: David J. Broadbent
  • Roach bait composition
    Patent number: 4049460
    Abstract: An insecticidal roach bait which is particularly preferred by roaches, including American and German roaches, comprising from about 20-54.75% by weight of a non-repellent binder, from about 79.75-45% by weight of a food attractant selected from dry dog food, maltose, brown sugar, and mixtures thereof, and from about 0.25-5% by weight of 0,0-diethyl-0-(3,5,6-trichloro-2-pyridyl) phosphorothioate.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: September 20, 1977
    Assignee: S. C. Johnson & Son, Inc.
    Inventor: David J. Broadbent