| 发明名称 |
Azo dyes and a method of making a hydrocarbon using an azo dye |
| 摘要 |
PCT No. PCT/EP94/04091 Sec. 371 Date Jun. 6, 1996 Sec. 102(e) Date Jun. 6, 1996 PCT Filed Dec. 9, 1994 PCT Pub. No. WO95/17483 PCT Pub. Date Jun. 29, 1995Azo dyes of the formula <IMAGE> where the ring A may be benzofused, n is 0 or 1, and R1-R8 are as defined, as pH-dependent markers for hydrocarbons, hydrocarbons containing the above-mentioned azo dyes, and a method for detecting these azo dyes in hydrocarbons.
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| 申请公布号 |
US5827332(A) |
申请公布日期 |
1998.10.27 |
| 申请号 |
US19960647899 |
申请日期 |
1996.06.06 |
| 申请人 |
BASF AKTIENGESELLSCHAFT |
发明人 |
ZEIDLER, GEORG;SCHOLZ, GERHARD;KRAEH, CLAUDIA;BECK, KARIN HEIDRUN;MAYER, UDO |
| 分类号 |
G01N31/00;C09B29/01;C09B29/08;C09B29/095;C09B31/053;C10L1/00;C10L1/14;C10L1/16;C10L1/18;C10L1/22;C10L1/226;C10M133/28;C10M171/00;G01N31/22;G01N33/28;(IPC1-7):C10L1/22;C10L1/04;C09B29/085;C09B21/053 |
主分类号 |
G01N31/00 |
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