Patents Assigned to Blendax-Werke R. Schneider & Co.
  • Cleaning agents for dentures
    Patent number: 4181621
    Abstract: Disclosed is a cleaning agent for dentures, commonly in the form of powder or tablets, which is characterized by a content of at least 30% by weight urea based on the total composition. Said cleaning agent displays an improved cleaning capacity.
    Type: Grant
    Filed: July 8, 1975
    Date of Patent: January 1, 1980
    Assignee: Blendax-Werke R. Schneider & Co.
    Inventors: Helmut Raaf, Raul L'Orange, Helmut Harth
  • Adjustable bristle toothbrush
    Patent number: 4149293
    Abstract: A toothbrush with a variable adjustment of the operative bristle length, characterized in that it is equipped with a movable perforated plate, arranged over the bristle holder with the bristles extending through the perforations. The plate is adjustable up and down by means of a seesaw or scissor-like mechanism.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: April 17, 1979
    Assignee: Blendax-Werke R. Schneider & Co.
    Inventors: Helmut Raaf, Oskar Heumann
  • Agent for the care and the cleaning of teeth and dentures
    Patent number: 3957967
    Abstract: Disclosed are compositions for the care and the cleaning of human teeth and dentures containing 1,6-di-4'-chlorophenyldiguanidohexane ("chlorohexidine") or the salts thereof and an amount of urea sufficient to reduce brown staining or discoloring of the teeth caused by the chlorohexidine. Also disclosed is a method of treating teeth and dentures comprising contacting them with urea and chlorohexidine.
    Type: Grant
    Filed: July 1, 1974
    Date of Patent: May 18, 1976
    Assignee: Blendax-Werke R. Schneider & Co.
    Inventor: Paul L'Orange