Patents by Inventor Marco Quast

Marco Quast 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: 5736158
    Abstract: A composition for the cleaning and protection of partial dentures and the associated natural teeth of the wearer consisting essentially of a peroxy bleach cleanser in an amount of from about 5.0 wt % to about 70.0 wt % of the total weight of the composition; a fluoride source incorporated in a polymer matrix in a polymer/fluoride weight ratio of from about 3:1 to 1:3; at least one surfactant in an amount of from about 3.0 wt % to about 18.0 wt %; an organic peroxy acid bleach in an amount of from about 10.0 wt % to about 40.0 wt %; an active bicarbonate-based effervescent agent in an amount of from about 5.0 wt % to about 65.0 wt %. The composition is formulated as a two-layer compressed tablet wherein one layer contains the peroxyacid bleach cleanser and surfactant while the other layer contains the fluoride and a surfactant.
    Type: Grant
    Filed: March 27, 1996
    Date of Patent: April 7, 1998
    Assignee: The Block Drug Company
    Inventor: Marco Quast