Justin A Langston

US Patent:

20130199482, Aug 8, 2013

Filed:

Aug 23, 2011

Appl. No.:

13/878825

Inventors:

Justin August Langston - Kutztown PA, US
Michael E. Webb - Sellersville PA, US
Peter Moore - Glenside PA, US
Trilby Cressman - Palmyra NJ, US

Assignee:

Evonik Oil Additives GmbH - Darmstadt

International Classification:

C10M 145/02

US Classification:

123 1 A, 508459

Abstract:

The present invention describes a motor designed for Fuel compatibility comprising a lubricant composition comprises at least one ester group containing polymer having a high polarity.

US Patent:

20120302477, Nov 29, 2012

Filed:

Feb 24, 2011

Appl. No.:

13/576098

Inventors:

Justin August Langston - Kutztown PA, US
Peter Moore - Glenside PA, US

Assignee:

Evonik RohMax Additives GmbH - Darmstadt

International Classification:

C10M 145/14
C08F 20/14
C08F 20/18

US Classification:

508469, 526325, 5263285

Abstract:

The present invention describes a polymer useful as viscosity index improver comprising units derived from one or more ethylenically unsaturated ester compounds of formula (I), where R is hydrogen or methyl, Rmeans a linear, branched or cyclic alkyl residue with 1-6 carbon atoms, Rand Rindependently represent hydrogen or a group of the formula —COOR′, where R′ means hydrogen or a alkyl group with 1-6 carbon atoms, units of one or more ethylenically unsaturated ester compounds of formula (II), where R is hydrogen or methyl, Rmeans a 2-alkyl branched alkyl residue with 12-18 carbon atoms, Rand Rindependently are hydrogen or a group of the formula —COOR″, where R″ means hydrogen or an alkyl group with 12-18 carbon atoms, and units of one or more ethylenically unsaturated ester compounds of formula (III), where R is hydrogen or methyl, Rmeans a linear alkyl residue with 12-24 carbon atoms, Rand Rindependently are hydrogen or a group of the formula —COOR″, where R″ means hydrogen or an alkyl group with 12-24 carbon atoms wherein said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (I), based on the total weight of the polymer, said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (II), based on the total weight of the polymer, and said polymer comprises at least 10% by weight units derived from one or more ethylenically unsaturated ester compounds of formula (III), based on the total weight of the polymer.

US Patent:

20200354646, Nov 12, 2020

Filed:

Feb 5, 2019

Appl. No.:

16/965666

Inventors:

- Essen, DE
Justin Langston - Kutztown PA, US
Gabriel Walkup - Elkins Park PA, US
Thomas McGregor - Trevose PA, US
Benjamin McFadden - Gettysburg PA, US

Assignee:

Evonik Operations GmbH - Essen

International Classification:

C10M 169/04

Abstract:

The invention relates to oil formulation comprising Coils being stabilized for low temperature storage and preparation processes thereof. The invention also relates to the preparation of specific polymer compounds and their use as stabilizers for low temperature storage of Coils.

US Patent:

20150274875, Oct 1, 2015

Filed:

Oct 8, 2013

Appl. No.:

14/440232

Inventors:

Justin August Langston - Kutztown PA, US
Barbara Voltz - Houston TX, US
Frank-Olaf Maehling - Mannheim, DE
Michael G Duckworth - Plano TX, US
Brian Hess - Willow Grove PA, US
Rhishikesh Gokhale - Darmstadt, DE

Assignee:

EVONIK INDUSTRIES AG - Essen

International Classification:

C08F 265/04
C10L 1/18
C10L 10/14
C10L 1/14
C10L 1/16
C08L 51/00
C10L 1/22

Abstract:

The present invention relates to a process for preparing grafted polyalkyl(meth)acrylates (PAMAs) containing dispersant repeating units in the polymer backbone as well as in the grafted layer, which polymers are characterized by a low sulfur content, the products available by this process and their use as an additive to fuels, especially to middle distillates and blends thereof. The present invention further relates to a composition comprising the grafted polyalkyl(meth)acrylates prepared by the process according to the present invention and the use of said composition as an additive component to fuels, especially to middle distillates and blends thereof, and for improving the cold flow properties of fuel oil and fuel oil compositions, especially to middle distillate fuels and blends thereof.

US Patent:

20150232783, Aug 20, 2015

Filed:

Sep 6, 2013

Appl. No.:

14/427812

Inventors:

Rhishikesh GOKHALE - , US
Ronny SONDJAJA - Darmstadt, DE
Lisa BRÜNNER - Pfungstadt, DE
Frank-Olaf MÄHLING - Mannheim, DE
Justin August LANGSTON - Kutztown PA, US
Torsten STÖHR - Frankfurt, DE
Jane BENITO - , US
Gwen TEH - , US

Assignee:

EVONIK OIL ADDITIVES GMBH - Darmstadt

International Classification:

C10M 169/04

Abstract:

The present invention describes a composition comprising: (A) at least one polyalkyl (meth) acrylate polymer having a number average molecular weight Mof from 15000 to 75000 g/mol; (B) at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth) acrylate having 1 to 30 carbon atoms in the alkyl residue; (C) a phenolic type anti-oxidant; (D) a mixture stabilizer; and (E) a glycol ether solvent. The composition is useful as cold flow improver and oxidation stabilizer in vegetable oils and animal fats.