Patents by Inventor Peter C. Ryan

Peter C. Ryan 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 for deodorizing urinals and toilet bowls with fragranced gel blocks
    Patent number: 4666671
    Abstract: This invention provides new and improved urinal blocks and toilet bowl rim blocks which are fragranced gels and which can be used to control the release of germicides, deodorants, cleaning agents, dyes and/or other releasable "active ingredients" into a toilet system for the purpose of sanitizing, cleaning and/or deodorizing.
    Type: Grant
    Filed: April 3, 1985
    Date of Patent: May 19, 1987
    Assignee: Givaudan Corporation
    Inventors: Kenneth L. Purzycki, Peter C. Ryan, Anthony J. Leardi