Patents by Inventor Jan Rosicky

Jan Rosicky 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).

  • Device for the determination of chlorine in the water of swimming pools
    Patent number: 3937613
    Abstract: Para-ethyl-oxyethylamino-aniline or one of its salts is employed as a reagent for testing the presence of chlorine in the water of swimming pools. The reagent dissolved or dispersed in a polypropylene-glycol ethoxylate is coated on to a support. When the coated support is stirred into the water a pink color develops in the water if chlorine is present and the intensity of the color can be used to gauge quantitatively the amount of chlorine present.
    Type: Grant
    Filed: April 4, 1975
    Date of Patent: February 10, 1976
    Assignee: Alpha Chemicals (Australia) Pty. Limited
    Inventor: Jan Rosicky