Patents Assigned to Henkel Komm.nditgesellschaft Auf Aktien
  • Patent number: 6380140
    Abstract: Enzyme granules suitable for incorporating into detergents or cleaners are provided containing an enzyme, a carrier material and a granulation auxiliary containing phosphated starch. The phosphated starch preferably has a mean degree of phosphation ranging from 1.5 to 2.5. Carrier materials include starch, cereal flour, cellulose, alkali metal aluminosilicate, layer silicate and alkali metal salts. Enzymes include proteases, lipases, amylases and cellulases. A preferred carrier material contains water-swellable starch, sucrose, cereal flour and cellulose powder. The granulation auxiliary may contain a co-granulation auxiliary selected from polyethylene glycol having an average molecular weight of from 200 to 6,000, 1,2-propylene glycol and a poly-ethoxylate having a specified formula. Preferred granules have a mean particle size of from 0.3 to 3 mm.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: April 30, 2002
    Assignee: Henkel Komm.nditgesellschaft Auf Aktien
    Inventors: Kathleen Paatz, Wilfried Raehse, Werner Pichler, Horst Upadek