Joseph R Genito

US Patent:

7452402, Nov 18, 2008

Filed:

Apr 29, 2005

Appl. No.:

11/119002

Inventors:

J. Daniel Bryant - Murrysville PA, US
Jacob A. Kallivayalil - Pittsburgh PA, US
Mark D. Crowley - Pittsburgh PA, US
Joseph R. Genito - Lower Burrell PA, US
Larry F. Wieserman - Apollo PA, US
Deborah Murphy Wilhelmy - Greensburgh PA, US

Assignee:

Alcoa Inc. - Pittsburgh PA

International Classification:

C22B 21/06

US Classification:

75684

Abstract:

A method for producing an aluminum foam product wherein reactive gas producing particles are introduced into an aluminum alloy melt under controlled conditions and subjected to agitation to induce the production of foam-stabilizing by-products, and, under certain conditions, the production of gases used to produce the molten metal foam itself. Foam products produced through this method have intrinsically formed metal oxides and other solid particles dispersed therein and are devoid of the large extrinsically added stabilizing ceramic additions traditionally used in the production of aluminum foams. The invention claims a rapid, single step method for producing an inoculated, foamable melt using low cost precursor materials.

US Patent:

20040163492, Aug 26, 2004

Filed:

Mar 2, 2004

Appl. No.:

10/792501

Inventors:

Mark Crowley - Pittsburgh PA, US
J. Bryant - Murrysville PA, US
David Leon - Murrysville PA, US
Jacob Kallivayalil - Pittsburgh PA, US
Joseph Genito - Lower Burrell PA, US
Patricia Stewart - Pittsburgh PA, US
Dorothy Schrall - Natrona Heights PA, US
Larry Wieserman - Apollo PA, US
Larry Davis - Richmond VA, US

International Classification:

B05D007/00

US Classification:

075/415000, 427/212000, 428/613000, 428/403000, 164/097000, 428/570000

Abstract:

The present invention is directed to porous metal products including ceramic particles, where the initial surface layer () of the particles () is modified with agents that interact with surface oxygen, oxides and/or hydroxides to improve the wettability of particles within a molten metal alloy, and where the ceramic particles () are modified () by contacting the particles with a surface-modifying agent and heating the ceramic particles and surface-modifying agent to an elevated temperature at which the ceramic particle remains substantially stable and the surface-modifying agent becomes at least partially thermally unstable, to cause a reacted layer ().

US Patent:

20060243095, Nov 2, 2006

Filed:

Apr 28, 2006

Appl. No.:

11/413884

Inventors:

J. Bryant - Murrysville PA, US
Jacob Kallivayalil - Pittsburgh PA, US
Mark Crowley - Pittsburgh PA, US
Joseph Genito - Lower Burrell PA, US
Deborah Wilhelmy - Greensburg PA, US
William Boren - Export PA, US
Daniel Hunter - Export PA, US

International Classification:

C22C 21/00
C22B 9/10

US Classification:

075415000, 148437000, 266233000

Abstract:

A method for producing an aluminum foam product wherein reactive gas producing particles are introduced into an aluminum alloy melt under controlled conditions and subjected to agitation to induce the production of foam-stabilizing by-products, and, under certain conditions, the production of gases used to produce the molten metal foam itself. Foam products produced through this method have intrinsically formed metal oxides and other solid particles dispersed therein and are devoid of the large extrinsically added stabilizing ceramic additions traditionally used in the production of aluminum foams. The invention claims a rapid, single step method for producing an inoculated, foamable melt using low cost precursor materials.

US Patent:

20090042012, Feb 12, 2009

Filed:

Oct 9, 2008

Appl. No.:

12/248708

Inventors:

J. Daniel Bryant - Murrysville PA, US
Jacob A. Kallivayalil - Pittsburgh PA, US
Mark D. Crowley - Pittsburgh PA, US
Joseph R. Genito - Lower Burrell PA, US
Larry F. Wieserman - Apollo PA, US
Deborah Murphy Wilhelmy - Greensburgh PA, US

International Classification:

B32B 5/18
C22C 1/08

US Classification:

4283128, 75415, 266216

Abstract:

A method for producing an aluminum foam product wherein reactive gas producing particles are introduced into an aluminum alloy melt under controlled conditions and subjected to agitation to induce the production of foam-stabilizing by-products, and, under certain conditions, the production of gases used to produce the molten metal foam itself. Foam products produced through this method have intrinsically formed metal oxides and other solid particles dispersed therein and are devoid of the large extrinsically added stabilizing ceramic additions traditionally used in the production of aluminum foams. The invention claims a rapid, single step method for producing an inoculated, foamable melt using low cost precursor materials.

US Patent:

50930923, Mar 3, 1992

Filed:

Feb 28, 1991

Appl. No.:

7/661612

Inventors:

Chanakya Misra - Plum Borough PA
Joseph R. Genito - Lower Burrell PA

Assignee:

Aluminum Company of America - Pittsburgh PA

International Classification:

C01F 100

US Classification:

423130

Abstract:

An economical process for the removal and destruction of organic impurities present in Bayer process liquor depends upon the use of a hybrid adsorbent. The hybrid adsorbent consists essentially of porous essentially anhydrous particles of alumina having deposited on the surfaces thereof including the pores, an ultrathin layer of carbon atoms which is essentially monomolecular. Such carbonization is effected by cracking a suitable hydrocarbon, preferably a gas, in contact with a hot turbulent fluidized bed of alumina particles. This layer has the unique property of adsorbing far more impurities than the equivalent weight of active carbon, and also oxalate ions which are known not to be adsorbed on carbon. As an ultrathin layer it is too thin to change either the average pore volume or the surface area of the alumina particles substantially, from before they are carbonized. Because a sidestream of hot calcined alumina product is withdrawn from the main processing plant, the sidestream may be carbonized with a minimum energy cost.

US Patent:

52702782, Dec 14, 1993

Filed:

Feb 21, 1992

Appl. No.:

7/838823

Inventors:

Chanakya Misra - Plum Boro PA
Joseph R. Genito - Lower Burrell PA

Assignee:

Aluminum Company of America - Pittsburgh PA

International Classification:

B01J 2008

US Classification:

502415

Abstract:

A hybrid adsorbent including particles of porous alumina having deposited thereon an ultrathin layer of carbon atoms which is essentially monomolecular. The carbon layer is produced by cracking a suitable hydrocarbon, preferably a gas, in contact with a hot turbulent fluidized bed of alumina particles. The hybrid adsorbent has the unique property of adsorbing more organic impurities than an equivalent weight of active carbon, and also oxalate ions which are not ordinarily adsorbed by carbon.