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Juan Morell Torrel
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Vila-Seca, ES
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Process for lightening the color of polymeric diphenylmethane diiso...
Patent number
5,994,579
Issue date
Nov 30, 1999
Bayer Aktiengesellschaft
Juan Morell Torrel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...