Patents by Inventor Stefanie Ehmke (nee Beherns Brammertz)

Stefanie Ehmke (nee Beherns Brammertz) 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).

  • CURABLE COMPOSITIONS CONTAINING COLOR INDICATORS FOR INDICATING THE CURING PROGRESS
    Publication number: 20110024690
    Abstract: The invention relates to curable compositions which are prepared from polyol components containing one or more polyols and isocyanate components containing one or more isocyanates, which compositions contain at least one indicator having at least one quinonoid group, which indicator signifies the degree of curing by a change of color. The invention also relates to a method for indicating the progress of curing in such curable compositions.
    Type: Application
    Filed: March 19, 2009
    Publication date: February 3, 2011
    Applicant: Mankiewicz Gebr. & Co, GmbH & Co, KG
    Inventors: Guenther John, Stefanie Ehmke (nee Beherns Brammertz)