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Coloring of paper
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Patent number 4,383,834
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Issue date May 17, 1983
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BASF Aktiengesellschaft
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Hans-Juergen Degen
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D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
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Manufacture of polyalkylenepolyamines
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Patent number 4,324,724
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Issue date Apr 13, 1982
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BASF Aktiengesellschaft
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Hans Mueller
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Zinc electroplating bath
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Patent number 4,178,217
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Issue date Dec 11, 1979
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BASF Aktiengesellschaft
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Klaus Glaser
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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Zinc electroplating bath
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Patent number 4,135,992
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Issue date Jan 23, 1979
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BASF Aktiengesellschaft
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Rolf Fikentscher
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C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
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