Patents Assigned to Wurttembergische Parfumerie-Fabrik GmbH
  • Process for preparing solid powder formulations having different colors
    Patent number: 5089256
    Abstract: The process for the preparation of containers comprising two or more partial regions separated from each other of solid cast powder formulations having different colors employs containers into which separating bridges of a pasty composition have been injected, said composition being similar to the subsequently cast solid powder formulations. The bridges prevent the partial regions having different colors from coalescing.
    Type: Grant
    Filed: January 12, 1989
    Date of Patent: February 18, 1992
    Assignee: Wurttembergische Parfumerie-Fabrik GmbH
    Inventors: Hans U. Scheller, Karl A. Scheller
  • Dentifrice for hypersensitive teeth
    Patent number: 4710372
    Abstract: A dentifrice for hypersensitive teeth containing at least 15% by weight of an apatite having an average particle size of less than 8 .mu.m and an abrasion value (RDA) of less than 30 as the sole crystalline and polishing substance. No further soluble mineral salts are present in the dentifrice. The dentifrice may also contain a local anesthetic.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: December 1, 1987
    Assignee: Wurttembergische Parfumerie-Fabrik GmbH
    Inventor: Hans-Ulrich Scheller
  • Dentifrice for hypersensitive teeth
    Patent number: 4634589
    Abstract: A dentifrice for hypersensitive teeth containing at least 15% by weight of an apatite having an average particle size of less than 8 .mu.m and an abrasion value (RDA) of less than 30 as the sole crystalline and polishing substance. No further soluble mineral salts are present in the dentifrice. The dentifrice may also contain a local anesthetic.
    Type: Grant
    Filed: May 7, 1985
    Date of Patent: January 6, 1987
    Assignee: Wurttembergische Parfumerie-Fabrik GmbH
    Inventor: Hans-Ulrich Scheller
  • Electric toothbrush
    Patent number: 4450599
    Abstract: An electric toothbrush having a timer for monitoring brushing time. The timer is activated when the pressure exertred on the bristles exceeds a predetermined minimum pressure to ensure proper brushing for a predetermined minimum period of time.
    Type: Grant
    Filed: April 23, 1982
    Date of Patent: May 29, 1984
    Assignee: Wurttembergische Parfumerie-Fabrik GmbH
    Inventors: Hans U. Scheller, Karl A. Scheller
  • Strong foaming toothpaste
    Patent number: 4301141
    Abstract: An improved strong foaming toothpaste containing gelatin, a gelatinous eggwhite product or a mixture thereof and at least one surfactant. The gelatin or gelatinous eggwhite product makes it possible to reduce the surfactant content, thereby providing a toothpaste which avoids the adverse effects a high content of surfactant has on the mouth mucous membrane.About 1 to 2.5% by weight of surfactant and 1 to 10% by weight of gelatin, a gelatinous eggwhite product, or mixture thereof, can be used in the toothpaste.
    Type: Grant
    Filed: September 19, 1980
    Date of Patent: November 17, 1981
    Assignee: Wurttembergische Parfumerie-Fabrik GmbH
    Inventor: Hans U. Scheller
  • Paste and powder dentifrices
    Patent number: 4223003
    Abstract: A dentrifice in paste or powder form which contains, in addition to the usual constituents, at least one physiologically compatible, natural or synthetic dye and at least one high-foam surfactant and in which the dye and surfactant contents are so co-ordinated that colored foam produced by the user on brushing takes 20 seconds or more to become white or only pale in color so that this serves as an indication of the correct period of brushing necessary.
    Type: Grant
    Filed: April 20, 1979
    Date of Patent: September 16, 1980
    Assignee: Wurttembergische Parfumerie-Fabrik GmbH
    Inventor: Hans-Ulrich Scheller