US 12,031,098 B2
Method of marking a petroleum hydrocarbon
Martin Zühlke, Berlin (DE); Daniel Riebe, Potsdam (DE); Toralf Beitz, Potsdam (DE); Thomas Tiller, Bussigny (CH); Juan Lopez Gejo, Lausanne (CH); and Ünige Laskay, St. Sulpice (CH)
Assigned to SICPA HOLDING SA, Prilly (CH)
Appl. No. 17/782,433
Filed by SICPA HOLDING SA, Prilly (CH)
PCT Filed Nov. 26, 2020, PCT No. PCT/EP2020/083471
§ 371(c)(1), (2) Date Jun. 3, 2022,
PCT Pub. No. WO2021/110526, PCT Pub. Date Jun. 10, 2021.
Claims priority of application No. 19213176 (EP), filed on Dec. 3, 2019.
Prior Publication US 2023/0029106 A1, Jan. 26, 2023
Int. Cl. C10L 1/00 (2006.01); C10L 1/185 (2006.01); C10M 171/00 (2006.01); C10N 30/20 (2006.01)
CPC C10L 1/003 (2013.01) [C10L 1/1852 (2013.01); C10M 171/007 (2013.01); C10L 2200/0423 (2013.01); C10L 2200/043 (2013.01); C10L 2200/0438 (2013.01); C10M 2207/04 (2013.01); C10N 2030/20 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A composition of a petroleum hydrocarbon comprising:
a petroleum hydrocarbon;
at least one chemical marker of general formula (I) uniformly mixed with the petroleum hydrocarbon

OG Complex Work Unit Chemistry
wherein two of the residues R1-R10 are independently selected from C1-C4-alkoxy, and eight of the residues R1-R10 are independently selected from the group consisting of hydrogen and C1-C4-alkyl; and
a diphenyl-polyene derivative of general formula (IV)

OG Complex Work Unit Chemistry
wherein R13-R22 are independently selected from the group consisting of hydrogen and C1-C4 alkyl; the residue -L- represents —CRa═CRb—, wherein Ra and Rb are independently selected from the group consisting of hydrogen and methyl; and n is an integer between 2 and 6.