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Crosslinked phenolic polyesters
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Patent number 5,919,873
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Issue date Jul 6, 1999
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Rio Oeste, S.A.
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Nicholas M. Irving
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Crosslinked Mannich-Michael polycondensates
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Patent number 5,693,725
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Issue date Dec 2, 1997
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Lifesource International, Ltd.
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Nicholas M. Irving
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Cross-linked tertiary-amine polymers
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Patent number 5,492,998
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Issue date Feb 20, 1996
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Lifesource International, Ltd.
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Nicholas M. Irving
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...