Specialized metallurgical processes – compositions for use therei – Processes – Producing solid particulate free metal directly from liquid...
Reexamination Certificate
2008-06-02
2011-10-04
Wyszomierski, George (Department: 1733)
Specialized metallurgical processes, compositions for use therei
Processes
Producing solid particulate free metal directly from liquid...
C075S346000, C423S600000
Reexamination Certificate
active
08029595
ABSTRACT:
Methods of generating nanoparticles are described that comprises feeding nebulized droplets into a radio frequency plasma torch to generate nanoparticles, wherein the majority of the nanoparticles generated have a diameter of less than about 50 nm. These methods are useful for synthesizing nanoparticles of metals, semiconductors, ceramics or any other material class where the precursors are either in liquid form or can be dissolved or suspended in a suitable liquid. Methods of feeding nebulized droplets and central gas into a radio frequency plasma torch and apparatus for generating nanoparticles are also described.
REFERENCES:
patent: 4575609 (1986-03-01), Fassel et al.
patent: 5032568 (1991-07-01), Lau et al.
patent: 5061682 (1991-10-01), Askay et al.
patent: 5077267 (1991-12-01), Engler et al.
patent: 5200595 (1993-04-01), Boulos et al.
patent: 5369091 (1994-11-01), Fortunati et al.
patent: 5401484 (1995-03-01), Wurmbauer et al.
patent: 5447708 (1995-09-01), Helble et al.
patent: 5560844 (1996-10-01), Boulos et al.
patent: 5599511 (1997-02-01), Helble et al.
patent: 5609921 (1997-03-01), Gitzhofer et al.
patent: 5625256 (1997-04-01), Tiedt et al.
patent: 5644193 (1997-07-01), Matsuda et al.
patent: 5989648 (1999-11-01), Phillips
patent: 6180029 (2001-01-01), Hampden-Smith et al.
patent: 6482387 (2002-11-01), Gulgun et al.
patent: 6601776 (2003-08-01), Oljaca et al.
patent: 6656588 (2003-12-01), Laine et al.
patent: 6884514 (2005-04-01), Simpson et al.
patent: 6994837 (2006-02-01), Boulos et al.
patent: 7112758 (2006-09-01), Ma et al.
patent: 7220398 (2007-05-01), Sutorik et al.
patent: 7361938 (2008-04-01), Mueller et al.
patent: 2004/0101617 (2004-05-01), Devi et al.
patent: 2006/0045811 (2006-03-01), Sugiyama
patent: 2006/0124951 (2006-06-01), Sakata et al.
patent: 2007/0029291 (2007-02-01), Boulos et al.
patent: 2008/0108496 (2008-05-01), Gratson et al.
patent: 2008/0187746 (2008-08-01), De Graaf et al.
patent: 4119914 (1992-04-01), None
Bouyer, E., Gitzhofer, F., and Boulos, M. I.,Suspension plasma spraying for hydroxyapatite powder preparation by RF Plasma. IEEE Transactions on Plasma Science 25(5): 1066-1072 (1997).
Castillo, I. A. and Munz, R. J.,Inductively Coupled Plasma Synthesis of CeO2-based Powders from Liquid Solutions for SOFC Electrolytes. Plasma Chemistry and Plasma Processing, 25(2): 87-107 (2005).
De la Mora, J. Fernandez, et al.,Electrospray Atomization: Fundamentals and its Application in Nanoparticles Technology. Journal of Aerosol Science, 28(1): S63 (1997).
Fauchais, P., Etchart-Salas, R., Delbos, C., Tognonvi, M., Rat, V., Coudert, J. F., and Chartier, T.,Suspension and solution plasma spraying of finely structured layers: potential application to SOFCs. Journal of Physics D: Applied Physics, 40(8): 2394-2406 (2007).
Girshick, S. L.,Particle nucleation and growth in thermal plasmas. Plasma Sources Science and Technology, 3: 288-394 (1994).
Hess, D. et al.,Medication Nebulizer Performance. Effects of Diluent Volume, Nebulizer Flow, and Nebulizer Brand. American College of Chest Physicians, 110: 498-505 (1996).
Hosokawa, S., Tanaka, Y., Iwamoto, S., and Inoue, M.,Defect structure of rare earth aluminium garnets obtained by the glycothermal method. Journal of Alloys and Compounds, (2007).
Inoue, M., Otsu, H., Kominami, H., and Inui, T.,Synthesis of Yttrium Aluminum Garnet by the Glycothermal Method. Journal of the American Ceramic Society, 74(6): 1452-1454 (1991).
Kagawa, M., Suzuki, M., Mizoguchi, Y., Hirai, T., and Syono, Y.,Gas-phase synthesis of ultrafine particles and thin films of Y-AI-O by the spray-ICP technique. Journal of Aerosol Science, 24(3): 349-355 (1993).
Kang, Yun Chan, et al.,GA High-Volume Spray Aerosol Generator Producing Small Droplets for Low Pressure Applications. Journal of Aerosol Science, 26(7): 1131-1138 (1995).
Kasuya, R., Isobe, T., Kuma, H., and Katano, J.,Photoluminescence Enhancement of PEG-Modified YAG:Ce3+Nanocrystal Phosphor Prepared by Glycothermal Method. Journal of Physical Chemistry B, 109: 22126-22130 (2005).
Kasuya, R., Isobe, T., and Kuma, H.,Glycothermal synthesis and photoluminescence of YAG:Ce3+ nanophosphors. Journal of Alloys and Compounds, 408-412: 820-823 (2006).
Kumar, Rajendra, et al.,GRF Plasma Processing of Ultra-Fine Hydroxyaptite Powders. Journal of Materials Processing Technology, 113: 456-462 (2001).
Lenggoro, et al.,GPreparation of ZnS Nanoparticles by Electrospray Pyrolysis, Journal of Aerosol Science, 31(1): 121-136 (2000).
Leparoux, M., Schreuders, C., Shin, J. W., and Siegmann, S.,Induction Plasma Synthesis of Carbide Nano-Powders. Advanced Engineering Materials, 7(5): 349-353 (2005).
Loffert, DT, et al.,IA Comparison of Commercial Jet Nebulizers. American College of Chest Physicians, 106: 1788-1792 (1994).
Marchal, J., John, T., Baranwal, R., Hinklin, T., and Laine, R. M.,Yttrium Aluminum Garnet Nanopowders Produced by Liquid-Feed Flame Spray Pyrolysis(LF-FSP)of Metalloorganic Precursors. Chemistry of Materials, 16: 822-831 (2004).
Maric, R., Oljaca, M., Vukasinovic, B., and Hunt, A. T.,Synthesis of Oxide Nanopowders in NanoSpraySMDiffusion Flames. Materials & Manufacturing Processes, 19(6): 1143-1156 (2004).
May, K. R.,The collison nebulizer: Description, performance and application. Journal of Aerosol Science, 4(3): 235-238 (1973).
McLean, John A., et al.,DA Direct Injection High-Efficiency Nebulizer for Inductively Coupled Plasma Mass Spectrometry. Journal of Anal. Chem., 70(5): 1012-1020 (1998).
Mizoguchi, Y., Kagawa, M., Syono, Y., and Hirai, T.,Deposition of TiO2on heated substrates by the spray-inductively-coupled-plasma technique. Journal of Materials Science Letters, 12(23): 1854-1855 (1993).
Mizoguchi, Y., et al.,Film Synthesis of Y3Al5O12and Y3Fe5O12by the Spray-Inductively Coupled Plasma Technique. J. Am. Ceram. Soc., 84(3): 651-53 (2001).
Mueller, R., Madler, L., and Pratsinis, S. E.,Nanoparticle synthesis at high production rates by flame spray pyrolysis. Chemical Engineering Science, 58(10): 1969-1976 (2003).
Nyman, M., Caruso, J., Hampden-Smith, M. J., and Kodas, T. T.,Comparison of Solid-State and Spray-Pyrolysis Synthesis of Yttrium Aluminate Powders. Journal of the American Ceramic Society, 80(5): 1231-1238 (1997).
Parukuttyamma, S. D., Margolis, J., Liu, H., Parise, J. B., Grey, C. P., Sampath, S., Gouma, P., and Herman, H., eds.Deposition and Characterization of Y3Al5O12(YAG)Films and Powders by Plasma Spray Synthesis. MRS Fall Meeting (Symposium GG). vol. 658 MRS: Boston. pp. 6 (2000).
Parukuttyamma, S. D., Margolis, J., Liu, H., Grey, C. P., Sampath, S., Herman, H., and Parise, J. B.,Yttrium Aluminum Garnet(YAG)Films through a Precursor Plasma Spraying Technique. Journal of the American Ceramic Society, 84(8): 1906-1908 (2001).
Ravi, B. G., Gandhi, A. S., Guo, X. Z., Margolies, J., and Sampath, S.,Liquid Precursor Plasma Spraying of Functional Materials: A Case Study for Yttrium Aluminum Garnet(YAG). Journal of Thermal Spray Technology, 17(1): 82-90 (2008).
Ribeiro, Anderson Schwingel et al.,Coupling of Ultrasonic Nebulization to Flame Furnce Atomic Absorption Spectrometry-New Possibilities for Trace Element Determination. Microchemical Journal, 85(2): 341-346 (2007).
Schiller, G., Müller, M., and Gitzhofer, F.,Preparation of perovskite powders and coatings by radio frequency suspension plasma spraying. Journal of Thermal Spray Technology, 8(3): 389-392 (1999).
Young, Harold W., et al.,Continuous Aerosol Therapy System Using a Modified Collison Nebulizer. Journal of Clinical Microbiology, 5(2): 131-136 (1977).
Ganapathysubramanian Srivathsan
Girshick Steven L.
Hafiz Jami
Heberlein Joachim V. R.
Mochizuki Amane
Knobbe Martens Olson & Bear LLP
Nitto Denko Corporation
Regents of the University of Minnesota
Wyszomierski George
LandOfFree
Method and apparatus of producing nanoparticles using... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Method and apparatus of producing nanoparticles using..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus of producing nanoparticles using... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4271304