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Apparatus for drying chlorinated polymers
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Patent number 4,319,409
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Issue date Mar 16, 1982
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Hoechst Aktiengesellschaft
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Manfred Scholz
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Degassing column
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Patent number 4,266,949
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Issue date May 12, 1981
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Hoechst Aktiengesellschaft
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Bernhard Kuxdorf
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Process for drying chlorinated polymers
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Patent number 4,132,006
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Issue date Jan 2, 1979
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Hoechst Aktiengesellschaft
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Manfred Scholz
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C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...