Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – Including means rotating reaction chamber during use
Reexamination Certificate
2009-10-01
2010-11-23
Leung, Jennifer A (Department: 1797)
Chemical apparatus and process disinfecting, deodorizing, preser
Chemical reactor
Including means rotating reaction chamber during use
C422S224000, C422S225000, C422S270000, C422S271000, C422S272000, C423S335000, C423S340000
Reexamination Certificate
active
07837955
ABSTRACT:
A continuous process and related system for producing high purity silica are disclosed. The process and system utilize a unique high temperature rotary reactor which excludes oxygen. The use of one or more anoxic gases is described, that upon administration into the system promote the exclusion of oxygen.
REFERENCES:
patent: 4504452 (1985-03-01), Frevel
patent: 4956059 (1990-09-01), Englisch et al.
patent: 5487938 (1996-01-01), Spencer et al.
patent: 5525231 (1996-06-01), Ho et al.
patent: 5637284 (1997-06-01), Sato
patent: 5762672 (1998-06-01), Ikeda
patent: 5917103 (1999-06-01), Watanabe
patent: 6030534 (2000-02-01), De Lima
patent: 6190554 (2001-02-01), Mandt
patent: 6398957 (2002-06-01), Mandt
patent: 6510707 (2003-01-01), Kemmochi
patent: 6548131 (2003-04-01), Fabian
patent: 6672107 (2004-01-01), Werdecker
patent: 6676836 (2004-01-01), Mandt
patent: 6747113 (2004-06-01), Spencer et al.
patent: 6755049 (2004-06-01), Korus
patent: 6761865 (2004-07-01), Gallup et al.
patent: 6841210 (2005-01-01), Ohama
patent: 6916370 (2005-07-01), Watanabe
patent: 6938443 (2005-09-01), Fabian
patent: 7118789 (2006-10-01), Kemmochi
patent: 2003/0012899 (2003-01-01), Kemmochi
patent: 2003/0106491 (2003-06-01), Kemmochi
patent: 2004/0072007 (2004-04-01), Kemmochi
patent: 2006/0236916 (2006-10-01), Ohama
patent: WO 00/68147 (2000-11-01), None
Reade Advanced Materials, “Silicon Dioxide/Silica/Quartz Powder,” 3 pp., 1997, at http://www.reade.com/Products/Oxides/silica.html.
CERAM Research Ltd., “Silica- Silicon Dioxide,” 6 pp., 2000-2005, at http://www.azom.com/details.asp?ArticleID=1114.
Wikipedia, “Silicon dioxide,” 2 pp., last visited Oct. 26, 2005, at http://en.wikipedia.org/wiki/Silica.
“Types of silica sand used in making glass,” Appendix 4.1, pp. 111-113.
“Silica Sand,” Arkansas Geological Commission, 1 p., last visited Oct. 26, 2005, at http://www.state.ar.us/agc/silica.htm.
“Making Silicon from Sand,” Popular Science, 1 p., 2005.
U.S. Dept. of Energy, “Silica Sand and Jell,” Newton BBS, 1 p., last visited Oct. 26, 2005, at http://www.newton.dep.anl.gov/askasci/chem99/chem99516.htm.
Capobianco Chris
Gallo Thomas A.
Goldblatt Scott D.
Leung Jennifer A
Rankin , Hill & Clark LLP
Seifu Lessanework
Unimin Corporation
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