Patents by Inventor Hanna Grano

Hanna Grano 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).

  • Type of cationic starch product, preparation thereof and its use
    Patent number: 7186823
    Abstract: A cationic starch product, the making of it and its use. The starch product comprises starch (St) and a cationising reagent, which is made from choline or its synthetic equivalent, whereby the cationising reagent has reacted with a part of the hydroxyl groups of the starch according to the structure formula (VI) or (VII). The structure component A is a hydrocarbon chain. The substituents R are hydrogens; lower or higher acrylic alkly groups, substituted or unsubstituted cycloalklyl groups; substituted or unsubstituted aryl or heteroaryl groups; lower or higher alkyl groups or non-aromatic heterocyclic groups containing alkoxy groups or other hetero atoms.
    Type: Grant
    Filed: May 23, 2001
    Date of Patent: March 6, 2007
    Assignee: Ciba Specialty Chemicals Corporation
    Inventors: Jouko Käki, Hendrik Luttikhedde, Kari Nurmi, Gösta Brunow, Hanna Grano, Anneli Hase, Aki Laine, Jari Yli-Kauhaluoma
  • Type of cationic starch product, preparation thereof and its use
    Publication number: 20030177915
    Abstract: A cationic starch product, the making of it and its use. The starch product comprises starch (St) and a cationising reagent, which is made from choline or its synthetic equivalent, whereby the cationising reagent has reacted with a part of the hydroxyl groups of the starch according to the structure formula (VI) or (VII). The structure component A is a hydrocarbon chain. The substituents R are hydrogens; lower or higher acyclic alkyl groups, substituted or unsubstituted cykloalkyl groups; substituted or unsubstituted aryl or heteroaryl groups; lower or higher alkyl groups or non-aromatic heterocyclic groups containing alkoxy groups or other heteroatoms.
    Type: Application
    Filed: November 25, 2002
    Publication date: September 25, 2003
    Inventors: Jouko Kaki, Hendrik Luttikhedde, Karl Nurmi, Gosta Brunow, Hanna Grano, Anneli Hase, Aki Laine, Jari Yli-Kauhaluoma