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Class Information
Number: 423/714
Name: Chemistry of inorganic compounds > Zeolite > Isomorphic metal substitution > Acid treatment
Description: Processes wherein zeolite structural analogues are formed by treatment with acid.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 8440166 |
Method of synthesizing a novel absorbent titanosilicate material (UPRM-5) |
May. 14, 2013 |
| 8105548 |
Manufacturing device for zeolite membrane |
Jan. 31, 2012 |
| 7892510 |
Silicon dioxide dispersion |
Feb. 22, 2011 |
| 7858069 |
Enhancement of alkylation catalysts for improved supercritical fluid regeneration |
Dec. 28, 2010 |
| 7794679 |
Catalyst and method for purification of diesel engine exhaust gas |
Sep. 14, 2010 |
| 7713513 |
High silica zeolites: UZM-8HS |
May. 11, 2010 |
| 7326401 |
MWW type zeolite substance, precursor substance therefor, and process for producing these substances |
Feb. 5, 2008 |
| 7323154 |
Titanosilicate, process for its production, and its use in producing oxidized compound |
Jan. 29, 2008 |
| 6982074 |
High silica zeolites: UZM-5HS |
Jan. 3, 2006 |
| 6790433 |
Methods to improve heteroatom lattice substitution in large and extra-large pore borosilicate zeolites |
Sep. 14, 2004 |
| 6653396 |
Process for the preparation of zeolite A for use in formulations based on two-component polyurthane resins |
Nov. 25, 2003 |
| 6573131 |
Silica zeolite low-k dielectric thin films and methods for their production |
Jun. 3, 2003 |
| 6521206 |
Molecular sieve CIT-6 |
Feb. 18, 2003 |
| 6475465 |
Titanium-silicalite molecular sieve and the method for its preparation |
Nov. 5, 2002 |
| 6468501 |
Method for heteroatom lattice substitution in large and extra-large pore borosilicate zeolites |
Oct. 22, 2002 |
| 6440886 |
Zeolite beta and its use in aromatic alkylation |
Aug. 27, 2002 |
| 6221835 |
High density zeolites and their production |
Apr. 24, 2001 |
| 6191323 |
Process for the reduction of ketones and aldehydes to alcohols using a tin substituted zeolite beta |
Feb. 20, 2001 |
| 6165439 |
Dealuminated NU-86 zeolite and its use for the conversion of hydrocarbons |
Dec. 26, 2000 |
| 6162416 |
Zeolite beta and its use in aromatic alkylation |
Dec. 19, 2000 |
| 6063944 |
Method for preparing lattice-inserted titanium zeolites, and use thereof |
May. 16, 2000 |
| 6054113 |
Method for preparing high silica faujacitic zeolites |
Apr. 25, 2000 |
| 6017508 |
Process of modifying the porosity of aluminosilicates and silicas, and mesoporous compositions derived therefrom |
Jan. 25, 2000 |
| 5968341 |
Activated silica enriched mazzite, production method and application thereof |
Oct. 19, 1999 |
| 5968475 |
Dealuminated IM-5 zeolite |
Oct. 19, 1999 |
| 5932361 |
Ceramic based membranes |
Aug. 3, 1999 |
| 5900226 |
Drying agents for non-foamed polyurethanes |
May. 4, 1999 |
| 5880053 |
Method of producing zeolite y |
Mar. 9, 1999 |
| 5695736 |
Tiatanium containing molecular sieve having a zelite beta structure |
Dec. 9, 1997 |
| 5688484 |
Non-hydrothermal method of making a titanium-containing zeolite |
Nov. 18, 1997 |
| 5601798 |
Process for preparing zeolite Y with increased mesopore volume |
Feb. 11, 1997 |
| 5534135 |
Synthesis of zeolites |
Jul. 9, 1996 |
| 5508019 |
Dealumination of aluminosilicates |
Apr. 16, 1996 |
| 5451391 |
Process for the synthesis of a crystalline aluminosilicate enriched in silica, having the structure of mazzite, the aluminosilicate obtained and its use as catalyst for the conversion of hycro |
Sep. 19, 1995 |
| 5425934 |
Dealumination and selective removal of organic material from zeolites |
Jun. 20, 1995 |
| 5389357 |
Modified crystalline aluminosilicate zeolites and process for their preparation |
Feb. 14, 1995 |
| 5354719 |
Method of manufacturing metallosilicates |
Oct. 11, 1994 |
| 5310534 |
Process for dealuminization of the synthetic zeolites of large pores, catalysts and selective organophilic adsorbents containing the dealuminized zeolites obtained according to the process and |
May. 10, 1994 |
| 5298234 |
Alumina-silica resin additive |
Mar. 29, 1994 |
| 5292990 |
Zeolite composition for use in olefinic separations |
Mar. 8, 1994 |
| 5268107 |
Modified clinoptilolite as an ion exchange material |
Dec. 7, 1993 |
| 5262141 |
Insertion of silicon into the crystal framework of a zeolite |
Nov. 16, 1993 |
| 5242677 |
Stable zeolite of low unit cell constant and method of making same |
Sep. 7, 1993 |
| 5242676 |
Selective surface dealumination of zeolites using dicarboxylic acid |
Sep. 7, 1993 |
| 5238677 |
Process for the dealumination of mordenite |
Aug. 24, 1993 |
| 5200168 |
Process for the dealumination of zeolite Beta |
Apr. 6, 1993 |
| 5141737 |
Iron-containing aluminosilicate |
Aug. 25, 1992 |
| 5013535 |
Stabilized aluminophosphate compositions and process for preparing same |
May. 7, 1991 |
| 4336234 |
Preparation of storage-stable, pumpable and pourable aluminosilicate suspensions by wet milling |
Jun. 22, 1982 |
| 4247527 |
Process of producing zeolite |
Jan. 27, 1981 |
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