发明授权
US5597902A Bi -and polyfunctional reactive dyestuffs, their prepartion and their use 失效
双功能多功能活性染料,其制备及其用途

Bi -and polyfunctional reactive dyestuffs, their prepartion and their use
摘要:
Reactive dyestuffs which, in the form of the free acid, correspond to the following formula ##STR1## wherein D is the radical of an organic dyestuff of the monoazo, polyazo or metal complex azo series and the other substituents have the meaning given in the description, show improved application properties.
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