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Attorney: Troffkin; Howard J.


Number of patents: 195
Last date: April 17, 2012

1          
NumberTitleIssue Date
8158257Sulfur tolerant alumina catalyst support
The present invention is directed to an improved catalyst support and to the resultant catalyst suitable for treating exhaust products from internal combustion engines, especially diesel engines. The support of the present invention is a structure comprising alumina...
04/17/2012
8076263Sulfur tolerant alumina catalyst support
The present invention is directed to an improved catalyst support and to the resultant catalyst suitable for treating exhaust products from internal combustion engines, especially diesel engines. The support of the present invention is a structure comprising alumina...
12/13/2011
7291575Active, heterogeneous bi- or tri-dentate catalyst
A catalyst composition, and olefin polymerization process using same, formed from a mixture of a non-aluminoxane aluminum compound, an inorganic oxide and a transition metal bidentate or tridentate complex in certain prescribed proportions. The composition can be fo...
11/06/2007
7160438Process for removal of nitrogen containing contaminants from gas oil feedstreams
The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The present process comprises firs...
01/09/2007
7087156Process for removal of nitrogen containing contaminants from gas oil feedstreams
The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The present process comprises firs...
08/08/2006
6958375Chromium support-agglomerate-transition metal polymerization catalysts and processes utilizing same
The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a chromium immobilize...
10/25/2005
6927261Method of making supported transition metal polymerization catalysts and compositions formed therefrom
The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a Lewis acid support-...
08/09/2005
6921553Non-ionic foam composition for treating asbestos-containing materials and method of using same
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, at least about 0.1% by weight of a source of fluoride ions...
07/26/2005
6884744Zeolite based catalyst of ultra-high kinetic conversion activity
A catalyst useful in cracking of hydrocarbon feedstock comprising particulate material composed of at least 70 weight percent zeolite and the remainder substantially composed of silica sol, alumina sol or mixtures thereof; wherein the particulate material has a kine...
04/26/2005
6734131Heterogeneous chromium catalysts and processes of polymerization of olefins using same
A chromium containing catalyst wherein the chromium atom is in one of its higher valence states and is immobilized to a support-agglomerate composed of at least one inorganic oxide component and at least one ion-containing layered component. ...
05/11/2004
6429337Promoted porous catalyst
A novel precious metal doped porous metal catalyst is disclosed. The precious metal is present in from 0.01 to 1.5 weight percent and distributed throughout the particles of porous metal to provide a surface to bulk ratio distribution of not greater than ...
08/06/2002
6086786Oxygen scavenging metal-loaded ion-exchange composition
An oxygen scavenging composition composed of a carrier material and a metal-loaded cationic exchange material having the metal in a zero valence state. The composition is contained within the interior cavity of a container to scavenge oxygen therein. The ...
07/11/2000
5993688Oxygen scavenging metal-loaded ion-exchange compositions
An oxygen scavenging composition composed of a carrier material and a metal-loaded cationic exchange material having the metal in a zero valence state. The composition is contained within the interior cavity of a container to scavenge oxygen therein. The ...
11/30/1999
5985169Oxygen scavenging metal-loaded high surface area particulate compositions
An oxygen scavenging composition composed of a carrier and a metal coated, inert, porous particulate material having the metal substantially in a zero valence state. The composition is contained within the interior cavity of a container to scavenge oxygen...
11/16/1999
5977212Oxygen scavenging compositions
An oxygen scavenging composition composed of a carrier and an ascorbate based agent impregnated inert, porous particulate material distributed throughout the carrier. The composition is contained within the interior cavity of a container to scavenge oxyge...
11/02/1999
5941037Oxygen scavenging hydrotalcite and compositions containing same
An oxygen scavenging agent and compositions capable of providing good oxygen absorption capabilities which contain said agent, wherein the agent is a modified anionic hydrotalcite particulate material....
08/24/1999
5827331Electrode compositions
An electrode composition for use as an electrode in a non-aqueous battery system. The electrode composition contains an electrically active powder in a solid polymer and, as a dispersant, a C8 -C15 alkyl capped oligomer of a hexanoic...
10/27/1998
5824405Barrier membrane for protective clothing
A polyimide gas separation membrane can be used to make protective cloth having good water vapor breathability as well as good resistance to permeation by noxious gases and penetration by liquid water....
10/20/1998
5798055Oxygen scavenging metal-loaded ion-exchange compositions
An oxygen scavenging composition composed of a carrier material and a metal-loaded cationic exchange material having the metal in a zero valence state. The composition is contained within the interior cavity of a container to scavenge oxygen therein. The ...
08/25/1998
5772934Process to produce lithium-polymer batteries
A polymer bonded sheet product suitable for use as an electrode in a non-aqueous battery system. A porous electrode sheet is impregnated with a solid polymer electrolyte, so as to diffuse into the pores of the electrode. The composite is allowed to cool, ...
06/30/1998
5753031Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an inorganic acid, and from about 0.1 to about 4% by weight of a h...
05/19/1998
5753033Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of a boron tetrafluoride salt, free of or having only small amounts o...
05/19/1998
5753034Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of a hexafluorosilicate salt, and free of or having only small amount...
05/19/1998
5753035Composition and method to remove asbestos
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an inorganic acid, and from about 0.1 to about 4% by weight of a t...
05/19/1998
5749927Continuous process to produce lithium-polymer batteries
Solid polymer electrolytes are extruded with active electrode material in a continuous, one-step process to form composite electrolyte-electrodes ready for assembly into battery cells. The composite electrolyte-electrode sheets are extruded onto current c...
05/12/1998
5743841Foam composition for treating asbestos-containing materials and method of using same
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, at least about 0.1% by weight of a source of fl...
04/28/1998
5741358Corrosion inhibiting composition for treating asbestos containing materials
A composition for transforming a chrysotile asbestos-containing material into a non-asbestos material is disclosed, wherein the composition comprises water, at least about 30% by weight of an acid component, optionally a source of fluoride ions, and a cor...
04/21/1998
5725657Cement admixture product
The present invention is directed to a polyoxyalkylene ammonium salt of an imidized polycarboxylic acid polymer cement admixture, storage stable aqueous solutions of said polymer, and to improved cement compositions containing said polymer....
03/10/1998
5725822Extrusion of electrode material by liquid injection into extruder barrel
An electrode sheet product is formed using an extruder having a feed throat and a downstream section by separately mixing an active electrode material and a solid polymer electrolyte composition that contains lithium salt. The active electrode material is...
03/10/1998
5700554Packaging articles suitable for scavenging oxygen
An article useful for packaging oxygen-sensitive products is disclosed. The article is a single or multi-layer article capable of enveloping the oxygen sensitive product. The article has at least one layer which contains a composition composed of an ethyl...
12/23/1997
5698147Fabrication methods for low impedance lithium polymer electrodes
A process for fabricating an electrolyte-electrode composite suitable for high energy alkali metal battery that includes mixing composite electrode materials with excess liquid, such as ethylene carbonate or propylene carbonate, to produce an initial form...
12/16/1997
5679150Drying shrinkage cement admixture
A cement admixture composition composed of an oxyalkylene compound and betaine. The betaine permits air entrainment in the presence of the oxyalkylene compound, which is used as a shrinkage reduction aid....
10/21/1997
5665158Cement admixture product
The present invention is directed to a polyoxyalkylene ammonium salt of an imidized polycarboxylic acid polymer cement admixture, storage stable aqueous solutions of said polymer, and to improved cement compositions containing said polymer....
09/09/1997
5656393Flexible electrode, product and process of forming same
A polymer bonded electrode composite composed of a polymer matrix having electrochemically active particulate therein and having a porous conductive sheet encapsulated within the matrix is disclosed. Further, a continuous process of forming the electrode ...
08/12/1997
5656075Control of expansion in concrete due to alkali silica reaction
A cement composition including spodumene which has been heated to at least 1000° C. which is capable of inhibiting expansion of the concrete due to the alkali-silica reaction. The present invention also provides a method of reducing expansion in cement c...
08/12/1997
5648020Oxygen scavenging composition for low temperature use
Improved compositions for scavenging oxygen are disclosed. These materials, characterized by low degree crystallinity and a glass transition temperature of lower than -15° C., have high oxygen scavenging rates at low temperatures. The composition compris...
07/15/1997
5643978Cement admixture product having improved rheological properties and process of forming same
The present invention is directed to an imidized polycarboxylic acid polymer useful as a cement admixture, to improved cement compositions containing said polymer and to a process of forming the same....
07/01/1997
5626663Composition and method for inhibiting drying shrinkage of concrete
A concrete composition capable of inhibiting shrinkage of structural concrete structures is disclosed. The concrete is formed with an admixture composed of at least one secondary/tertiary alkanediol....
05/06/1997
5618344Cement composition
A cement admixture composed of a mixture of certain lower alkyl ether oxyalkylene adducts with certain higher alkylene diols to provide cement compositions of mortar and concrete which inhibit drying shrinkage while permitting substantial air entrainment ...
04/08/1997
5618427Composition and method for degradation of nitroaromatic contaminants
A method of creating an environment which promotes degradation of nitroaromatic organic chemical contaminants in water, sediment, or soil by adding a combination of fibrous organic matter and certain multi-valent metal particles to the water, sediment or ...
04/08/1997
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