High-silica molecular sieve CHA

Chemistry of inorganic compounds – Zeolite – Organic compound used to form zeolite

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C423S335000

Reexamination Certificate

active

07402297

ABSTRACT:
A method is disclosed for synthesizing high-silica molecular sieves having the CHA crystal structure using a structure directing agent comprising a cation derived from 1-adamantamine, 3-quinuclidinol or 2-exo-aminonorbornane. The synthesis is conducted in the absence of fluorine.

REFERENCES:
patent: 2942932 (1960-06-01), Elliott
patent: 3030181 (1962-04-01), Milton
patent: 3699683 (1972-10-01), Tourtellotte et al.
patent: 3767453 (1973-10-01), Hoekstra
patent: 3785998 (1974-01-01), Hoekstra
patent: 3920583 (1975-11-01), Pugh
patent: 4297328 (1981-10-01), Ritscher et al.
patent: 4496786 (1985-01-01), Santilli et al.
patent: 4528279 (1985-07-01), Suzuki et al.
patent: 4544538 (1985-10-01), Zones
patent: 4677242 (1987-06-01), Kaiser
patent: 4737592 (1988-04-01), Abrams et al.
patent: 4760044 (1988-07-01), Joy, III et al.
patent: 4791091 (1988-12-01), Bricker et al.
patent: 4861938 (1989-08-01), Lewis et al.
patent: 4868148 (1989-09-01), Henk et al.
patent: 4868149 (1989-09-01), Bricker
patent: 5078979 (1992-01-01), Dunne
patent: 6508860 (2003-01-01), Kulkarni et al.
patent: 6709644 (2004-03-01), Zones et al.
patent: 7226575 (2007-06-01), Yuen et al.
patent: 2003/0069449 (2003-04-01), Zones et al.
patent: 2003/0089227 (2003-05-01), Hasse et al.
patent: 2003/0176751 (2003-09-01), Strohmaier et al.
patent: 2005/0054885 (2005-03-01), Reyes et al.
patent: 2005/0096494 (2005-05-01), Reyes et al.
patent: 2005/0154244 (2005-07-01), Cao et al.
patent: 2005/0197520 (2005-09-01), Mertens et al.
patent: 2007/0100185 (2007-05-01), Cao et al.
patent: 1 205 980 (1986-06-01), None
patent: 868846 (1961-05-01), None
Diaz-Cabanas et al. “Synthesis and structure of pure SiO2 chabazite: the SiO2 polymorph with the lowest framework density,” Chem. Commun., pp. 1881-1882, 1998.
Donald W. Breck, Zeolite Molecular Sieves, Jul. 1972, 73-11028, John Wiley & Sons, Inc. Canada.
R.M. Barrer and J.W. Baynham, The Hydrothermal Chemistry of the Silicates, Synthetic Potassium Aluminosilicates, 1955, 2882-2891, Imperial College of Science, London S.W. 7.
W.M. Meier and D.H. Olson, Atlas of Zeolite Structure Types, 1978, 25, Structure Commission on the International Zeolite Association.
Abstract to Russian Article and Copy of Russian Article: Kollist A.; Paris J., ISOLATION Characteristics, And Use Of Polysac Charides From Agar-Containing Algae., 1980, 66065.
M.A. Camblor, et al., Synthesis Of All-Silica And High-Silica Molecular Sieves in Fluoride Media, Topics in Catalysis 9, 1999, 59-76, J.C. Baltzer AG, Science Publishers.
Christopher W. Jones, Synthesis of hydrophobic Molecular Sieves by Hydrothermal Treatment with Acetic Acid, Chem. Matter, 2001, 13, 1041-1050, Published on Web Jan. 23, 2001.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

High-silica molecular sieve CHA does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with High-silica molecular sieve CHA, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and High-silica molecular sieve CHA will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-2775035

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.