申请人:Dow Global Technologies LLC
公开号:US20210163834A1
公开(公告)日:2021-06-03
A method for marking a petroleum hydrocarbon or a liquid biologically derived fuel; said method comprising adding to said petroleum hydrocarbon or liquid biologically derived fuel at least one compound that is a R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
and R
8
—substituted dibenzofuran, wherein R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
and R
8
independently are hydrogen, hydrocarbyl, hydrocarbyloxy, aryl or aryloxy; provided that R
1
, R
2
, R
3
, R
4
, R
5
, R
6
, R
7
and R
8
collectively have at least two carbon atoms; wherein each compound having formula (I) is present at a level from 0.01 ppm to 20 ppm.
一种用于标记石油烃或液体生物衍生燃料的方法;所述方法包括向所述石油烃或液体生物衍生燃料中添加至少一种化合物,该化合物是R1、R2、R3、R4、R5、R6、R7和R8取代的二苯并呋喃,其中R1、R2、R3、R4、R5、R6、R7和R8独立地是氢、烃基、烃氧基、芳基或芳氧基;前提是R1、R2、R3、R4、R5、R6、R7和R8共同至少具有两个碳原子;其中具有式(I)的每个化合物的存在水平为0.01 ppm至20 ppm。