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Copolymers of polyaspartic acid
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Patent number 5,391,642
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Issue date Feb 21, 1995
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SRCHEM Incorporated
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Louis L. Wood
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Mixtures of polyamino acids and citrate
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Patent number 5,389,303
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Issue date Feb 14, 1995
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SRCHEM Incorporated
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Louis L. Wood
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Copolymers of polyaspartic acid
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Patent number 5,357,004
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Issue date Oct 18, 1994
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SRCHEM Incorporated
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Gary J. Calton
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Decolorizing polyaspartic acid polymers
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Patent number 5,292,864
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Issue date Mar 8, 1994
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SRCHEM Incorporated
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Louis L. Wood
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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