Patents by Inventor Petra Hasselbach

Petra Hasselbach 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).

  • Two-component cleaner and disinfectant tablet
    Patent number: 4683072
    Abstract: A two-component tablet for cleaning and disinfecting toilet flush tanks which adhere to the tank and will not be washed away and/or decomposed comprising extruded component A consisting essentially of (a) 10 to 50% by weight of an alkylbenzene sulfonate, (b) 0 to 40% by weight of inorganic alkali metal salts, (c) 0 to 10% by weight of at least one plasticizer, (d) 5 to 25% by weight of at least one disintegration rate regulator selected from the group consisting of fatty acid ethanolamides, fatty acid diethanolamides and stearic acid, (e) 0 to 50% of a disinfectant selected from a chlorine releasing compound or an active oxygen containing compound or acid and (f) 0 to 30% by weight of a complexing agent with the sum of (e) and (f), being greater than 5% and component B consisting essentially of (a') 20 to 55% by weight of an alkylbenzene sulfonate, (b') 15 to 45% by weight of inorganic alkali metal salts, (c') 0 to 10% by weight of at least one plasticizer, (d') 5 to 25% by weight of at least one disintegrati
    Type: Grant
    Filed: November 12, 1985
    Date of Patent: July 28, 1987
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bernd-Dieter Holdt, Ronald Menke, Gerd Praus, Petra Hasselbach
  • Two component cleaner and disinfectant tablet
    Patent number: 4578207
    Abstract: A two component tablet for cleaning and disinfecting toilet flush tanks which adhere to the tank and will not be washed away and/or decomposed comprising extruded component A consisting essentially of (a) 25 to 50% by weight of an alkylbenzene sulfonate, (b) 0 to 40% by weight of inorganic alkali metal salts, (c) 0 to 10% by weight of at least one plasticizer, (d) 5 to 20% by weight of at least one disintegration rate regulator selected from the group consisting of fatty acid ethanolamides, fatty acid diethanolamides and stearic acid, (e) 0 to 50% of a chlorine releasing compound or acid and (f) 0 to 30% by weight of a complexing agent with the sum of (e) and (f) being greater than 5% and component B consisting essentially of (a') 30 to 55% by weight of an alkylbenzene sulfonate (b') 15 to 45% by weight of inorganic alkali metal salts, (c') 0 to 10% by weight of at least one plasticizer, (d') 10 to 15% by weight of at least one disintegration rate regulator selected from the group consisting of fatty acid eth
    Type: Grant
    Filed: December 14, 1983
    Date of Patent: March 25, 1986
    Assignee: Henkel Kommanditgesellschaft auf Aktien
    Inventors: Bernd-Dieter Holdt, Ronald Menke, Gerd Praus, Petra Hasselbach