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US3884855A
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Process for the production of regenerate from polypropylene waste
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GB1398822A
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Process for the continuous production of hexamethylene diamine by hydrogenation of adiponitrile
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US3867349A
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Addition of dimethyl terephthalate and ethylene glycol to recycled bis(hydroxyethyl)terephthalate
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US3892798A
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Process for introducing terephthalic acid into a reaction
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DE2242362A1
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Winding melt spun thread packages - to enable threading during running
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DE2234615A1
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Polymer melt spinning nozzle - having spinnerette plate with peripheral heater
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DE2230185A1
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Additive mixt - with shroud and tubes in mainstream for additive to be collected from counter stream
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DE2222047A1
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Partitioned mixing silo - having vertical outlet shaft eccentric from shell operating by gravity discharge
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DE2214045A1
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Melt spin filter - renewal assembly for continuous spinning operation
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DE2148619A1
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Drawing synthetic fibres - partic high-molecular synthetic fibres,eg polymers,with out impairing deep-colouring characteristics
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DE2141285A1
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Spinarette - with drilling in a length/diameter ratio to prevent thermal build-up
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DE2140265A1
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Drying and crystallising polyesters - esp polyethylene terephthalate in single operation after water cooling
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DE2139642A1
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Diammonium dicarboxylates prepn - in continuous reaction, by adding alcohol soln of diamine/dicarboxylic acid stepwise to alcohol
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GB1337751A
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Process and apparatus for the continuous production of linear polyesters
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