Patents by Inventor Alessandro Aghina

Alessandro Aghina 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).

  • Polishing agent
    Patent number: 7833435
    Abstract: The invention relates to the use of gluconates in the production of semiconductor wafers, preferably in the polishing of the semiconductor wafers during the production process, and to a polishing agent based on an abrasive substance and/or colloid and a mixture of disuccinates or methylglycine diacetic acid (MGDA) and gluconates.
    Type: Grant
    Filed: February 23, 2007
    Date of Patent: November 16, 2010
    Assignee: Akzo Nobel Chemicals International B.V.
    Inventors: Gabriele Hey, Alessandro Aghina
  • Polishing agent
    Publication number: 20070207617
    Abstract: The invention relates to the use of gluconates in the production of semiconductor wafers, preferably in the polishing of the semiconductor wafers during the production process, and to a polishing agent based on an abrasive substance and/or colloid and a mixture of disuccinates or methylglycine diacetic acid (MGDA) and gluconates.
    Type: Application
    Filed: February 23, 2007
    Publication date: September 6, 2007
    Applicant: H. C. Starck GmbH & Co. KG
    Inventors: Gabriele Hey, Alessandro Aghina