Patents by Inventor Helmut Raaf

Helmut Raaf 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: 4743442
    Abstract: Skin care composition containing mineral salts releasing sodium, potassium, megnesium, calcium and zinc salts in defined concentration, and, optionally, compounds releasing copper, manganese, vanadium, aluminum, cobalt and/or iron ions.
    Type: Grant
    Filed: November 27, 1985
    Date of Patent: May 10, 1988
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventors: Helmut Raaf, Rudolf Bimczok, Ingrid Ittel
  • Patent number: 4559224
    Abstract: The efficacy of tooth and mouth care agents, especially in reducing the inflammation and bleeding tendency of the gums, is increased by addition of hesperidin.
    Type: Grant
    Filed: February 20, 1985
    Date of Patent: December 17, 1985
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventor: Helmut Raaf
  • Patent number: 4525343
    Abstract: Tooth and mouth care preparations in the form of toothpaste, mouthwash, mouth spray or tooth powder, containing 0.05 to 2.5% by weight of hesperidin, calculated on the total composition are effective in reducing inflammation and bleeding of the gums.
    Type: Grant
    Filed: April 9, 1984
    Date of Patent: June 25, 1985
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventor: Helmut Raaf
  • Patent number: 4397837
    Abstract: Compositions for the remineralization and prevention of demineralization of the teeth of animals including humans in the form of two phases, one phase containing a water-soluble calcium compound and the other phase containing a water-soluble phosphate and optionally a water-soluble fluorine compound. The concentration of calcium and phosphate (PO.sub.4) ions is about 50 to 35,000 ppm and 50 to 40,000 ppm respectively, and the amount of fluorine compound is about 0.01 to 5.0%, all by weight of the total composition. The compositions may also contain at least one of a conventional flavoring substance, aroma substance, surfactant, astringent, polishing agent, thickener and preservative.
    Type: Grant
    Filed: January 14, 1975
    Date of Patent: August 9, 1983
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventors: Helmut Raaf, Helmut Harth, Helmar R. Wagner
  • Patent number: 4339429
    Abstract: This invention relates to a novel toothpaste and more particularly, to a new toothpaste which includes a finely divided synthetic plastic material as a polishing agent and at least one copper compound. This toothpaste has proven effective against plaque formation on teeth but does not exhibit any of the untoward side effects of the prior art formulations such as discoloring.
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: July 13, 1982
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventors: Helmut Raaf, Dieter Becker, Franz Frosch, Helmut Harth, Helmar R. Wagner
  • Patent number: 4332791
    Abstract: This invention relates to a novel toothpaste and more particularly, to a new toothpaste which includes a silica polishing agent and at least one copper compound. This toothpaste has proven effective against plaque formation on teeth but does not exhibit any of the side effects of the prior art formulations such as discoloring.
    Type: Grant
    Filed: April 9, 1981
    Date of Patent: June 1, 1982
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventors: Helmut Raaf, Dieter Becker, Franz Frosch, Helmut Harth, Helmar R. Wagner
  • Patent number: 4196189
    Abstract: Disclosed is a dental hygiene preparation in the form of a filled capsule or a filled sweet comprising an outer shell containing a hydrophilic dental and/or oral hygiene substance and an inner core of a lipophilic substance.
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: April 1, 1980
    Assignee: Blendax-Werke R. Schneider
    Inventors: Helmut Raaf, Helmar R. Wagner
  • 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
  • Patent number: 4169885
    Abstract: Disclosed is a dental hygiene preparation in the form of a filled capsule or a filled sweet comprising an outer shell containing a hydrophilic dental and/or oral hygiene substance and an inner core of a lipophilic substance.
    Type: Grant
    Filed: March 14, 1978
    Date of Patent: October 2, 1979
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventors: Helmut Raaf, Helmar R. Wagner
  • Patent number: 4152806
    Abstract: A toothbrush with means for adjustment of the bristle length including a moveable slotted or perforated plate arranged over the bristle holder and with bristles passing through the slots or perforations said plate being movable up and down the bristle length by means of a slide mechanism or a screw connection.
    Type: Grant
    Filed: May 9, 1978
    Date of Patent: May 8, 1979
    Assignee: Blendax-Werke R. Schneider GmbH & Co.
    Inventors: Helmut Raaf, Oskar Heumann
  • 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