Patents by Inventor Paul L. Pruitt

Paul L. Pruitt 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).

  • Long-term storage of infective juvenile nematodes in pseudoplastic layers
    Patent number: 5170744
    Abstract: Infective juvenile nematodes can be stored for long periods of time when contained in a layer having pseudoplastic characteristics. The pseudoplastic layer immobilizes the infective juveniles, but the pseudoplastic nature of the compositions permits easy dispensing of the composition when required. Suitable pseudoplastic agents include rhamsan gum and xanthan gum.
    Type: Grant
    Filed: December 13, 1991
    Date of Patent: December 15, 1992
    Assignee: Biosys Corporation
    Inventors: Paul L. Pruitt, Milton J. Friedman
  • Method for manufacturing and packaging a pet collar
    Patent number: 4483123
    Abstract: A method for the manufacture of a packaged pet collar which includes preparing a blended composition of a vinylic resin, an ectoparasiticidally effective amount of recrystallized phosmet and a plasticizer, extruding the composition into a continuous length, cutting the extruded length into individual segments, affixing a buckle, and thereafter packaging the resultant pet collar in a pouch of spunbonded olefin. The packaged collar is characterized by the absence of offensive mercaptan type odor upon opening the package.
    Type: Grant
    Filed: August 10, 1982
    Date of Patent: November 20, 1984
    Assignee: Zoecon Corporation
    Inventors: Joe D. McDaniel, Jr., Paul L. Pruitt
  • Recrystallization of phosmet
    Patent number: 4348321
    Abstract: An improved pet collar for the control of ectoparasites comprising solid synthetic polymer, recrystallized phosmet and plasticizer and method of manufacture.
    Type: Grant
    Filed: November 14, 1980
    Date of Patent: September 7, 1982
    Assignee: Zoecon Corporation
    Inventors: Joe D. McDaniel, Jr., Paul L. Pruitt