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US 6,471,993 B1Granted
Three-dimensional polymer matrices
AssigneeMassachusetts Institute of Technology
InventorsVenkatram R. Shastri, Ivan Martin, Robert S. Langer, Joachim Seidel
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Abstract
Matrices that include a macrostructure having a semi-solid network and voids, and a microstructure having voids, in which the microstructure is located within the semi-solid network are disclosed. Methods for preparing these matrices are also disclosed.
Claims29
A matrix comprising a macrostructure having a substantially continuous semi-solid network and voids, said matrix further comprising a microstructure having voids, wherein said microstructure is located within said semi-solid network.
Dependencies are inferred from the claim text.