Back to results
US 2018/0016506 A1Published application
Compositions and Methods for Marking Hydrocarbon Compositions With Non-Mutagenic Dyes
AssigneeUnited Color Manufacturing, Inc.
InventorsHaresh DOSHI, Michael FRISWELL, Thomas E. NOWAKOWSKI
Life of this patent
Estimating the term…
Abstract
The disclosure provides dyes for marking hydrocarbon compositions. More particularly, the disclosure relates to non-mutagenic dyes for marking hydrocarbon compositions.
Claims17
A compound comprising the formula:
- wherein R is a methyl group, an ethyl group, or an isopropyl group, R1 is a methyl group, an ethyl group, or an isopropyl group and R2 is an alkyl group containing from 3 to 12 carbon atoms and n is an integer from 1 to 3.
A composition for marking a hydrocarbon fluid, the composition comprising:
- between 0.1% and 70% by weight of a compound having the formula:
- wherein R is a methyl group, an ethyl group, or an isopropyl group, R1 is a methyl group, an ethyl group, or an isopropyl group and R2 is an alkyl group containing from 3 to 12 carbon atoms and n is an integer from 1 to 3;
- and
- between 30% and 99.9% by weight of a solvent.
1 more element
A marked hydrocarbon composition comprising:
- a hydrocarbon fluid;
- and
- from 0.1 ppm to 500 ppm of a compound having the formula:
- wherein R and R1 is a methyl group, an ethyl group, or an isopropyl group and R2 is an alkyl group containing from 3 to 12 carbon atoms and n is an integer from 1 to 3.
1 more element
Dependencies are inferred from the claim text.