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Christos Vamvakaris
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Ludwigshafen, DT
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Patent Grant
Dyes of the coumarin series
Patent number
4,055,568
Issue date
Oct 25, 1977
BASF Aktiengesellschaft
Manfred Patsch
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...