US 2007/0184555 A1Published application

Chemical markers

AssigneeRohm and Haas Company

InventorsRajiv Manohar Banavali, Randall Wayne Stephens

Life of this patent

Estimating the term…

A composition containing a petroleum hydrocarbon, a biodiesel fuel or an ethanol fuel, and an organic marker compound.

Dependent claims

A composition comprising:

(a) at least one of a petroleum hydrocarbon, a biodiesel fuel and an ethanol fuel;
and
(b) at least one organic compound having:
(i) an axis of three-fold symmetry;
(ii) a nitrogen, oxygen, phosphorus or boron content of at least 3%;
and (iii) a molecular weight of at least 240.

3 more elements

Dependencies are inferred from the claim text.

C10M 171/007
Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which…
C10L 1/003
Liquid carbonaceous fuels: marking, e.g. coloration by addition of pigments
C10L 1/19
Containing oxygen: esters ester radical containing compounds; ester ethers; carbonic acid esters
C10L 1/223
Containing at least one carbon-to-nitrogen single bond: having at least one amino group bound to an aromatic carbon atom

From the US filing history. Foreign family members aren’t listed.

Loading patent…