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Porous Interpenetrating Polymer Network” filed Feb. 19, 2010
patents that just make me wonder
Date: 7/22/2013 12:10:33 PM ( 11 y ) ... viewed 1269 times BACKGROUND OF THE INVENTION
Related art and background information are discussed below in regard to membranes, membrane support fabrics, porogens, interpenetrating polymer networks, degradable fabrics, polysaccharides, and chromatography.
Thin materials of natural or synthetic composition which are permeable to fluids are commonly referred to as membranes. Typically, synthetic membranes are composite materials which are formed by casting, coating, or impregnating a polymeric solution onto a support substrate known as a membrane support fabric. In this manner, a polymer is applied to a supporting material, permeability is determined by intrinsic properties of the polymer and/or by use of porogens, and the resulting materials are used for filtration, chromatography, controlled drug release, etc.
Other applications of these materials are as integral components in devices for medical diagnostics, devices for medical therapeutics such as wound dressings, infection control, drug delivery, cell therapy, and in industrial applications related to food and beverage processing. Furthermore, there are applications in research products involved in the processing of samples for purposes of drug discovery and related laboratory operations for the purpose of generating information.
http://www.google.com/patents/US8298657
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