IP Library › Granted Patent US 9,217,737
Granted Patent B2
US 9,217,737 · App. 13/237,819 · Granted Dec 22, 2015

Multimedia evaluation of butanol-containing fuels

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Quick Facts
Patent No.
US 9,217,737
App. No.
13/237,819
Granted
Dec 22, 2015
Kind
B2
Abstract

The present invention is related to hydrocarbon compositions comprising butanol that have substantially the same or improved performance properties than comparable hydrocarbon compositions comprising ethanol and to methods for identifying such compositions.

Claims (9)

1. A method of comparing a permeation emission for an alternative energy fuel to another alternative energy fuel or a fuel that is not an alternative energy fuel comprising:

measuring a permeation emission obtained from operation of a fuel system on an alternative energy fuel comprising butanol at approximately sixteen percent (16%) by volume;

measuring a permeation emission obtained from operation of a fuel system on another alternative energy fuel comprising ethanol at no more than about ten percent (10%) by volume;

measuring a permeation emission obtained from operation of a fuel system on a fuel that is not an alternative energy fuel;

comparing the permeation emissions obtained from operation of the fuel system on the alternative energy fuel comprising butanol, the alternative energy fuel comprising ethanol, and the fuel that is not an alternative energy fuel to evaluate whether the permeation emissions obtained from the operation of the fuel system on the alternative energy fuel comprising butanol contains permeation emissions equal to or less than the permeation emissions obtained from the operation of the fuel system on the alternative energy fuel comprising ethanol or the fuel that is not an alternative energy fuel.

2. The method of claim 1 , wherein to pass the comparing the alternative energy fuel comprising butanol must have a negative value in comparison to the permeation emissions for the fuel that is not an alternative energy fuel.

3. The method of claim 1 , wherein to pass the comparing the alternative energy fuel comprising butanol must have a negative value in comparison to the permeation emissions for the alternative fuel comprising ethanol.

4. The method of claim 1 , wherein the permeation emissions for the fuel that is not an alternative energy fuel are based on a predicted model.

5. The method of claim 1 , wherein butanol comprises isobutanol.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 30, 2021
From: BUTAMAX ADVANCED BIOFUELS LLC
To: GEVO, INC.
Reel/Frame 057677/0477 →