Patents by Inventor Manuela Leidl

Manuela Leidl 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).

  • Patent number: 8114953
    Abstract: The invention relates to melamine-formaldehyde condensates with thermoplastic properties that can be produced from formaldehyde and melamine derivatives, wherein at least one of the melamine derivatives organic radicals R have been used to substitute at least four of the total of six hydrogen atoms of the three melamine amino groups, and wherein the organic radicals R are mutually identical or different. The invention also relates to a process for production of the melamine-formaldehyde condensates, use thereof, and an analytical method for determining the constitution of the melamine-formaldehyde condensates.
    Type: Grant
    Filed: February 22, 2007
    Date of Patent: February 14, 2012
    Assignee: AMI Agrolinz Melamine International GmbH
    Inventors: Helmut Puchinger, Andreas Endesfelder, Martin Burger, Clemens Schwarzinger, Manuela Leidl, Werner Huber, Harald Schmidt
  • Publication number: 20090054616
    Abstract: The invention relates to melamine-formaldehyde condensates with thermoplastic properties that can be produced from formaldehyde and melamine derivatives, wherein at least one of the melamine derivatives organic radicals R have been used to substitute at least four of the total of six hydrogen atoms of the three melamine amino groups, and wherein the organic radicals R are mutually identical or different. The invention also relates to a process for production of the melamine-formaldehyde condensates, use thereof, and an analytical method for determining the constitution of the melamine-formaldehyde condensates.
    Type: Application
    Filed: February 22, 2007
    Publication date: February 26, 2009
    Applicant: AMI AGROLINZ MELAMINE INTERNATIONLA GMBH
    Inventors: Helmut Puchinger, Andreas Endesfelder, Martin Burger, Clemens Schwarzinger, Manuela Leidl, Werner Huber, Harald Schmidt