Patents by Inventor L. J. Scott

L. J. Scott 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).

  • Patent number: 5457054
    Abstract: A self-contained unit test for qualitative identification of suspect substances including cocaine, heroin and cannabis, includes a visualization reagent having a compound which undergoes a visible color change when contacted by a suspect substance. The unit test further includes a pad formed from a bibulous material impregnated with the reagent and a unit package for containing the pad and maintaining the reagent in an as-filled, ready-to-use state during storage. A method for visualization of a suspect substance with a unit test of the present invention includes providing a unit test for a suspect substance which includes a visualization reagent for qualitative identification of a suspect substance impregnated on a pad formed from a bibulous material, and scaled in a unit package. The method further includes opening the package, and wiping the pad on as sample containing the suspect substance.
    Type: Grant
    Filed: November 18, 1994
    Date of Patent: October 10, 1995
    Inventors: George H. Geisinger, Kenneth R. Fitzpatrick, L. J. Scott
  • Patent number: 4213528
    Abstract: A package for an acid container, such as an acid containing ampule or bottle, formed of an acid resistant envelope and a separate removable absorbent shield for enclosing the acid container, with the absorbent shield including a material to neutralize acid whereby any acid released from the container is absorbed and neutralized by the absorbent shield.
    Type: Grant
    Filed: September 13, 1978
    Date of Patent: July 22, 1980
    Assignee: Becton Dickinson & Company
    Inventors: George D. Kreutz, L. J. Scott, James P. Kelly