Patents by Inventor Chauncey Orvis Rupe

Chauncey Orvis Rupe 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).

  • Method, device and test reagent for detecting free available chlorine in aqueous fluids
    Patent number: 4092115
    Abstract: A method, device and test reagent for detecting free available chlorine in aqueous fluids which utilizes as an indicator substance azine compounds of the formula: ##STR1## where R and R' are hydroxy or amino substituents and X, X', Y and Y' are hydrogen, hydroxy, methyl or methoxy substituents and may be the same or different. Preferably such test reagents are incorporated with a carrier member or with a wicking device for concentrating the aqueous fluid being tested in the area of the test reagent.
    Type: Grant
    Filed: May 20, 1977
    Date of Patent: May 30, 1978
    Assignee: Miles Laboratories, Inc.
    Inventors: Chauncey Orvis Rupe, Robert Bauer