IP Library › Granted Patent US 8,349,033
Granted Patent B2
US 8,349,033 · App. 12/131,191 · Granted Jan 8, 2013

Diesel fuel, diesel fuel additive, and associated method for using the same

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Quick Facts
Patent No.
US 8,349,033
App. No.
12/131,191
Granted
Jan 8, 2013
Kind
B2
Abstract

A diesel fuel additive for use in association with bio-diesel fuel and/or petroleum derived diesel fuel having one or more solvent(s) and one or more pour-point depressant(s), wherein the pour-point depressant(s) include a polyglycerol ester, such as polyglycerol polyricinoleate and/or polyglycerol esters of mixed fatty acids. Augmentive agents may include ethylene vinyl acetate and/or polyethylene vinyl acetate.

Claims (13)

1. A diesel fuel additive, comprising:

at least one of ethylene vinyl acetate and polyethylene vinyl acetate;

at least one polyglycerol ester of mixed fatty acids; and

at least one polyglycerol polyricinoleate.

2. The diesel fuel additive according to claim 1 , wherein the at least one of ethylene vinyl acetate and polyethylene vinyl acetate is present in an amount of about 0.13% wt when the diesel fuel additive is added to diesel fuel present in an amount of about 99.53% wt.

3. The diesel fuel additive according to claim 1 , wherein the at least one polyglycerol ester of mixed fatty acids is present in an amount of about 0.11% wt when the diesel fuel additive is added to diesel fuel present in an amount of about 99.53% wt.

4. The diesel fuel additive according to claim 1 , wherein the at least one polyglycerol polyricinoleate is present in an amount of about 0.14% wt when the diesel fuel additive is added to diesel fuel present in an amount of about 99.53% wt.

5. The diesel fuel additive according to claim 1 , wherein:

the at least one of ethylene vinyl acetate and polyethylene vinyl acetate is present in an amount of about 0.13% wt;

the at least one polyglycerol ester of mixed fatty acids is present in an amount of about 0.11% wt; and

the least one polyglycerol polyricinoleate is present in an amount of about 0.14% wt;

when added to diesel fuel present in an amount of about 99.53% wt.

6. The diesel fuel additive according to claim 1 , wherein the at least one of ethylene vinyl acetate and polyethylene vinyl acetate comprises ethylene vinyl acetate.

Assignments (9)
RELEASE OF SECURITY INTEREST Recorded Apr 3, 2026
From: ANKURA TRUST COMPANY, LLC, AS COLLATERAL AGENT
To: CAMIE CAMPBELL, INC.; PAR-WAY GROUP, INC.; THE PENRAY COMPANIES, INC.; PLZ AEROSCIENCE CORPORATION
Reel/Frame 074265/0453 →
RELEASE OF SECURITY INTEREST IN PATENT COLLATERAL AT REEL/FRAME NO. 49987/0389 Recorded Apr 1, 2026
From: ANTARES CAPITAL LP, AS COLLATERAL AGENT
To: THE PENRAY COMPANIES, INC.
Reel/Frame 075363/0354 →
AFFIDAVIT TO AFFIRM THE RELEASE OF SECURITY AGREEMENT Recorded Aug 31, 2021
From: CAPITALSOUTH PARTNERS SBIC FUND III, L.P.
To: THE PENRAY COMPANIES, INC.
Reel/Frame 057364/0595 →
SECOND LIEN PATENT SECURITY AGREEMENT Recorded Jul 13, 2021
From: PAR-WAY GROUP, INC.; THE PENRAY COMPANIES, INC.; PLZ AEROSCIENCE CORPORATION; CAMIE CAMPBELL, INC.
To: ANKURA TRUST COMPANY, LLC
Reel/Frame 056861/0510 →
RELEASE OF SECURITY INTEREST IN PATENTS AT REEL/FRAME NO. 42562/0625 Recorded Aug 7, 2019
From: ANTARES CAPITAL LP, AS AGENT
To: THE PENRAY COMPANIES, INC.
Reel/Frame 049987/0105 →
PATENT SECURITY AGREEMENT Recorded Aug 7, 2019
From: THE PENRAY COMPANIES, INC.
To: ANTARES CAPITAL LP, AS COLLATERAL AGENT
Reel/Frame 049987/0389 →
SECURITY INTEREST Recorded Jun 1, 2017
From: THE PENRAY COMPANIES, INC.
To: ANTARES CAPITAL LP, AS AGENT
Reel/Frame 042562/0625 →
PATENT SECURITY AGREEMENT Recorded Feb 28, 2012
From: THE PENRAY COMPANIES, INC.
To: CAPITALSOUTH PARTNERS SBIC FUND III, L.P.
Reel/Frame 027779/0278 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jun 2, 2008
From: MUTH, STEVEN A.
To: THE PENRAY COMPANIES, INC.
Reel/Frame 021025/0736 →