Patents by Inventor Gian C. Bagaglio

Gian C. Bagaglio 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).

  • Polyester polyols containing monoalkanolamine derived units
    Patent number: 4801736
    Abstract: The invention relates to a method for preparing microcellular polyurethane elastomer by reacting an organic isocyanate, a polyester polyol, a difunctional chain extender and a blowing agent, wherein at least a part of the polyester polyol used consists of a polyester polyol having a hydroxyl number between 28 and 112 and comprising units derived from aliphatic and/or aromatic dicarboxylic acids and from aliphatic, cycloaliphatic and/or heterocyclic glycols, as well as between 0.02 and 11 mole percent of units derived from monoalkanolamine with respect to the total amount of glycol and monoalkanolamine present in the polyester polyol.
    Type: Grant
    Filed: January 21, 1987
    Date of Patent: January 31, 1989
    Assignee: Imperial Chemical Industries PLC
    Inventors: Gian C. Bagaglio, James M. Bentley, James P. Brown