Chemistry of inorganic compounds – Silicon or compound thereof – Elemental silicon
Reexamination Certificate
2010-04-13
2011-10-25
Silverman, Stanley (Department: 1736)
Chemistry of inorganic compounds
Silicon or compound thereof
Elemental silicon
C423S349000, C423S350000
Reexamination Certificate
active
08043593
ABSTRACT:
An aggregated crystalline silicon powder with a BET surface area of 20 to 150 m2/g is provided. The aggregated silicon powder may be doped with phosphorus, arsenic, antimony, bismuth, boron, aluminium, gallium, indium, thallium, europium, erbium, cerium, praseodymium, neodymium, samarium, gadolinium, terbium, dysprosium, holmium, thulium, lutetium, lithium, ytterbium, germanium, iron, ruthenium, osmium, cobalt, rhodium, iridium, nickel, palladium, platinum, copper, silver, gold, or zinc.
REFERENCES:
patent: 3012861 (1961-12-01), Ling
patent: 3900660 (1975-08-01), Bradley
patent: 4292344 (1981-09-01), McHale
patent: 4341749 (1982-07-01), Iya et al.
patent: 4826668 (1989-05-01), Breneman et al.
patent: 4994107 (1991-02-01), Flagan et al.
patent: 5576248 (1996-11-01), Goldstein
patent: 6007869 (1999-12-01), Schreieder et al.
patent: 6723421 (2004-04-01), Ovshinsky et al.
patent: 6746767 (2004-06-01), Gottfried et al.
patent: 6761747 (2004-07-01), Gottfried et al.
patent: 7235298 (2007-06-01), Katusic et al.
patent: 7371337 (2008-05-01), Katusic et al.
patent: 2004/0249037 (2004-12-01), Kolbe et al.
patent: 2006/0216441 (2006-09-01), Schubel et al.
patent: 2006/0281846 (2006-12-01), Hager et al.
patent: 2007/0149395 (2007-06-01), Kroell et al.
patent: 2007/0172415 (2007-07-01), Zimmermann et al.
patent: 2007/0173581 (2007-07-01), Hager et al.
patent: 2007/0183918 (2007-08-01), Monsheimer et al.
patent: 2007/0199477 (2007-08-01), Hill et al.
patent: 2008/0135799 (2008-06-01), Pridoehl et al.
patent: 2008/0161469 (2008-07-01), Hoss et al.
patent: 0 214 489 (1987-03-01), None
patent: 0 372 918 (1990-06-01), None
patent: 0 494 753 (1992-07-01), None
patent: 0 776 053 (1997-05-01), None
C. Bossel, J. Dutta, R. Houriet, J. Hilborn, H. Hofmann, “Processing of nano-scaled silicon powders to prepare slip cast structural ceramics” Materials Science and Engineering A204 (1995), pp. 107-112.
Gary Nichols, Stephen Byard, Mark J Bloxham, Joanne Botterill, Neil J Dawson, Andrew Dennis, Valerie Diart, Nigel C North, John D Sherwood, “A Review of the Terms Agglomerate and Aggregate with a Recommendation for Nomenclature Used in Powder and Particle Characterization,” J of Pharmaceutical Sciences, vol. 91 Issue 10 (Jul. 2, 2002), pp. 2103-2109.
Dutta, et al. “Microstructural properties of silicon powder produced in a low pressure silane discharge” J. Appl. Phys. 77 (8) Apr. 15, 1995, pp. 3729-3733.
Miller, et al. “Lithium doping og polycrystalline silicon” Appl. Phys. Letters 37(112) Dec. 15, 1980, pp. 11001101.
Robert A. Marra, “Homogeneous Bucleation and Growth of Silicon Powder from Laser Heated Gas Phase Reactants”Department of Materials Science and Engineering, Massachussetts Institute of Technology May 12, 1983. [accessed from http://hdl.handle.net/1721.1/35323; relevant pages are provided in this mailing].
H. Wiggins, et al., “Silicon Particle Formation by Pyrolysis of Silane in a Hot Wall Gasphase Reactor”, Chem Eng. Technol. 24 (2001) 3, pp. 261-264.
Jorg Knipping, et al., “Synthesis of High Purity Silicon Nanoparticles in a Low Pressure Microwave Reactor”, Journal of Nanoscience and Nanotechnology 2004, vol. 4, No. 8, pp. 1039-1044.
Yali Li, et al., “Preparation of Ultrafine Si Powders from SiH4 by Laser-induced Gas Phase Reaction”, J. Mater. Sci. Technol., vol. 11, 1995, pp. 71-74.
Kraemer Michael
Petrat Frank-Martin
Pridoehl Markus
Roth Paul
Wiggers Hartmut
Evonik Degussa GmbH
Liao Diana J
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Silverman Stanley
LandOfFree
Nanoscale crystalline silicon powder does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Nanoscale crystalline silicon powder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Nanoscale crystalline silicon powder will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4274566