Preparation of hydroxysodalite

Chemistry of inorganic compounds – Silicon or compound thereof – Oxygen containing

Reexamination Certificate

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C423S328100, C423S328200

Reexamination Certificate

active

07416714

ABSTRACT:
The invention is directed to a process and method for forming synthetic hydroxysodalite from nepheline and feldspar and/or nepheline syenite. A caustic material such as a solution of sodium hydroxide is combined with the nepheline and feldspar and/or nepheline syenite to form the synthetic hydroxysodalite.

REFERENCES:
patent: 3760063 (1973-09-01), Dreyfus et al.
patent: 3964984 (1976-06-01), Vakhidov et al.
patent: 4020147 (1977-04-01), Shidlovsky
patent: 4247524 (1981-01-01), Leonard
patent: 4289629 (1981-09-01), Andrews
patent: 5613240 (1997-03-01), Lewis et al.
patent: 1371184 (1974-10-01), None
patent: 1410569 (1975-10-01), None
patent: 0026 394 (1981-04-01), None
patent: 0307060 (1989-03-01), None
patent: 0333283 (1989-09-01), None
patent: 4-254409 (1992-09-01), None
patent: 7-232913 (1995-09-01), None
patent: 11-228257 (1999-08-01), None
patent: 11-236213 (1999-08-01), None
patent: WO 91/15427 (1991-10-01), None
Krivenko et al, “Directed Synthesis of Alkaline . . . ” J. Mater. Sci. (42) 2944-2952, (2007).
The Hydrosodalite System Na6+x[SiAlO4]6(OH)x.nH2o:Formation, Phase Composition, and De- and Rehydration Studied by1H,23Na, and29Si MAS-NMR Spectroscopy in Tandem with Thermal Analysis, X-ray Diffraction, and IR Spectroscopy, Gunter Engelhardt, *Jurgen Felsche, and Peter Sieger, Contribution from the Faculty of Chemistry, University of Konstanz, D-7750 Konstanz, Germany, Received Mar. 6, 1991.
Synthesis and structures of M8[AlSiO4]6.(XO4)2,M = Na, Li, K; X = CI, Mn Sodalites, Matthew E. Brenchley and Mark T. Weller, Department of Chemistry, The University of Southampton, Highfield, Southampton, UK, ZEOLITES, 1994, vol. 14, Nov./Dec.
Zeolification of Ashes Obtained from the Combustion of Southern's Brazil Candiota Coal.
Lieben, Nepheline Syenite Matrix Lleben Minerals b.v., Ankerkade 78 NL-6201 BP Maastricht Product Data, Quarzwerke, Treminex 958, Nepheline Syenite 120/20/2005.
Structure of Basic Sodalilte, Na8Al6Si6O24(OH)2.2H2O, By I. Hassan and H.D. Grundy, Department of Geology, McMaster University, Hamilton, Ontario, Canada L8S 4L8 (Revised May 5, 1982; accepted Jul. 20, 1982).
Phases and Thermal Decomposition Characteristics of Hydro-Sodalites, J. Felsche and S. Luger, Fakultat fur Chemie, Universitat Konstanz, Postfach 5560, D-7750 Konstanz (F.R.G.) (Received Jan. 23, 1987).
The Systhesis of zeolite-P, LInde Type A, and Hydroxysodalite zeolites from paper sludge ash at low temperature (80° C.): Optimal ash-leaching condition for zeolite synthesis; Takaaki Wajima, Keiko Kuzawa, Hiroji Ishimoto, Osamu Tamada and Takashi Nishiyama.
Products Nepheline Syenite—Unimin Corporation 258 Elm Street, New Canaan, CT 06840.
Technical Data, MinBloc High Clarity Antiblocking Additives—Unimin Corporation.

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