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Azo dye polymers
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Patent number RE35407
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Issue date Dec 17, 1996
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BASF Aktiengesellschaft
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Matthias Wiesenfeldt
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526 - Synthetic resins or natural rubbers
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Azo dye polymers
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Patent number 5,461,131
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Issue date Oct 24, 1995
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BASF Aktiengesellschaft
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Matthias Wiesenfeldt
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Methine or azamethine dye polymers
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Patent number 5,436,306
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Issue date Jul 25, 1995
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BASF Aktiengesellschaft
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Karl-Heinz Etzbach
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Azo dye polymers
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Patent number 5,434,231
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Issue date Jul 18, 1995
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BASF Aktiengesellschaft
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Matthias Wiesenfeldt
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Azo dye polymers
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Patent number 5,264,507
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Issue date Nov 23, 1993
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BASF Aktiengesellschaft
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Matthias Wiesenfeldt
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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