RESILIENT FOAMS AND USES THEREOF
1 Assignment
0 Petitions
Accused Products
Abstract
Disclosed is a resilient foam and methods of making the foam. The resilient foam includes a derivatized polyanionic polysaccharide and has an open-cell structure. When the resilient foam is contacted with water, the foam forms a thixotropic hydrogel.
2 Citations
46 Claims
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1-26. -26. (canceled)
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27. A method of preparing a resilient foam, the method comprising:
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(a) obtaining a hydrogel comprising a derivatized polyanionic polysaccharide; (b) subjecting the hydrogel to conditions to freeze water comprised in the hydrogel; (c) subjecting the hydrogel from step (b) to a drying step to form an open-cell foam; and (d) contacting the open-cell foam from step (c) with water to form the resilient foam. - View Dependent Claims (28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46)
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Specification