Patent ID: 8203023

Claim:
A hydrocarbon composition made by a Fischer-Tropsch synthesis, comprising: C5 to C20 hydrocarbons wherein the amounts (by weight) of hydrocarbons decrease in the order C5>C6>C7>C8>C9>C10>C11>C12>C13>C14>C15>C16>C17>C18>C19>C20; wherein C5, C6, C7, and C8 are each present in at least 5 wt %; and wherein C20 is present in the range of 0.3 to 2.0 wt %; and further wherein the weight percents of C5 to C20 hydrocarbons are 8.5-9.5, 8.0-9.0, 7.0-8.0, 6.3-7.3, 5.4-6.4, 4.7-5.7, 3.9-4.9, 3.3-4.3, 2.7-3.7, 2.2-3.2, 1.7-2.7, 1.3-2.3, 1.0-2.0 0.7-1.7, 0.5-1.5, and 0.3-1.3 weight percent respectively.