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ISP Investments Inc.
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Imperial Chemical Industries PLC
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Polymerization of vinyl ethers
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E. I. Du Pont de Nemours and Company
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Ion exchange membranes
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E. I. Du Pont de Nemours and Company
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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C07 - ORGANIC CHEMISTRY