专利检索 ap:("Klaus von Oertzen" OR "Hans Samuel Bien, deceased" OR "by Gabriele Bien, legal representative") AND inv:"Hans Samuel Bien, deceased" 第 1 页

1.

发明授权
Antraquinone dyestuffs 失效
标题翻译： ANTRAQUINONE DYESTUFFS

公开(公告)号：US4105662A

公开(公告)日：1978-08-08

申请号：US775894

申请日：1977-03-09

申请人： Klaus von Oertzen , Hans Samuel Bien, deceased , by Gabriele Bien, legal representative

发明人： Klaus von Oertzen , Hans Samuel Bien, deceased , by Gabriele Bien, legal representative

IPC分类号： C09B62/22 , C09B1/20

CPC分类号： C09B62/22

摘要： Reactive dyestuffs of the formula ##STR1## WHEREIN R.sub.1, R.sub.2, R.sub.3, X, Y and Z have the meaning given in the description and their use for the dyeing and printing of materials which contain hydroxyl groups and materials which contain N, such as cotton, wool and the like, by the customary processes.