Dark shade dyeing method for microporous track etch membranes with large pores and low porosity
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United States of America Patent
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Mar 21, 2017
Grant Date -
Mar 12, 2015
app pub date -
Apr 1, 2013
filing date -
Apr 2, 2012
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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.
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