专利检索 ap:("ICI LTD") AND inv:"DUNKERLEY K" 第 1 页

1.

发明授权
Anthraquinone compounds 失效

公开(公告)号：US3790604A

公开(公告)日：1974-02-05

申请号：US3790604D

申请日：1972-05-19

申请人： ICI LTD

发明人： CHEETHAM I , PHILLIPS D , DUNKERLEY K , GREENHALGH C

IPC分类号： C09B1/10 , C09B1/06 , C09B1/14

CPC分类号： C09B1/06

摘要： THE ANTHRAQUINONE COMPOUND OF THE FORMULA:

1,4-DI(R-O-),5-(HO-),8-(CL-)ANTHRAQUINONE

WHEREIN R IS HYDROGEN OR LOWER ALKYL, A PROCESS FOR THE MANUFACTURE OF THE SAID COMPOUNDS, AND THE USE OF THE SAID COMPOUNDS AS DYESTUFFS INTERMEDIATES.