Patents by Inventor Michael Stiebitz

Michael Stiebitz 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).

  • Dark shade dyeing method for microporous track etch membranes with large pores and low porosity
    Patent number: 9598817
    Abstract: Methods for dyeing of microporous track etched membranes are provided. In particular, these methods are suitable for dark shade dyeing of membranes having large pores with low porosity. Desirably, such methods provide dyed membranes wherein the membrane parameters are not significantly changed as compared to those prior to dyeing. Likewise, the resultant dyed membranes exhibit no negative influence on sensitive cell culture system applications.
    Type: Grant
    Filed: April 1, 2013
    Date of Patent: March 21, 2017
    Assignee: Corning Incorporated
    Inventors: Gabriele Wedell, Michael Stiebitz
  • DARK SHADE DYEING METHOD FOR MICROPOROUS TRACK ETCH MEMBRANES WITH LARGE PORES AND LOW POROSITY
    Publication number: 20150072410
    Abstract: Methods for dyeing of microporous track etched membranes are provided. In particular, these methods are suitable for dark shade dyeing of membranes having large pores with low porosity. Desirably, such methods provide dyed membranes wherein the membrane parameters are not significantly changed as compared to those prior to dyeing. Likewise, the resultant dyed membranes exhibit no negative influence on sensitive cell culture system applications.
    Type: Application
    Filed: April 1, 2013
    Publication date: March 12, 2015
    Inventors: Gabriele Wedell, Michael Stiebitz