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GB345623A
|
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Improvements in and relating to the manufacture of dyestuffs
|
|
GB324084A
|
|
Improvements in and relating to the production of anthraquinone vat dyestuffs
|
|
GB306434A
|
|
Improvements in and relating to pyranthrone dyestuffs
|
|
GB284035A
|
|
Improvements in and relating to the production of benzanthrones and their derivatives
|
|
GB281016A
|
|
Improvements in and relating to the production of dyestuffs from benzanthrone
|
|
GB275283A
|
|
Improvements in the manufacture of dyestuffs
|
|
GB253163A
|
|
Improvements in and relating to the manufacture of benzanthrone derivatives
|
|
GB252646A
|
|
Improvements in the dyeing of cellulose ester artificial silks
|
|
GB234263A
|
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Manufacture of a dyestuff intermediate
|
|
GB209188A
|
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Improvements in and relating to discharging vat dyestuffs
|
|
US1434980A
|
|
Manufacture of compounds of the anthraquinone series
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