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| Number | Title | Issue Date |
| 7361328 | Method of preparing ZSM-5 using variable temperature without organic template Disclosed is a method of preparing ZSM-5 having substantially 100% crystallinity by using variable temperatures in the absence of an organic template, characterized in that a reaction mixture having a molar composition of M2O/SiO2 (M: alkali me... | 04/22/2008 |
| 7348040 | Method for improving characteristics of resin coated papers comprising applying a solution of one or more alkaline metal salts For treating resin coated decorative papers. a solution of sodium aluminate in deionized water is applied, during printing with metal effect inks by gravure printing by a fond or subcoat cylinder. The solution has a pH-value between pH 9 and pH 14. ... | 03/25/2008 |
| 7141232 | Preparation of molecular sieves involving spray drying Molecular sieves are prepared by forming a reaction mixture slurry, spray drying the reaction mixture slurry to form particles, and heating the spray dried reaction mixture at a temperature and pressure sufficient to cause crystallization of the molecular sieve. The... | 11/28/2006 |
| 7138007 | Gas separation using molecular sieve SSZ-73 The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and its use in gas separations. ... | 11/21/2006 |
| 7138099 | Molecular sieve SSZ-73 composition of matter and synthesis thereof The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and methods for synthesizing SSZ-73. ... | 11/21/2006 |
| 7138097 | Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-73 The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a structure-directing agent, and its use in the reduction of oxides of nitrogen... | 11/21/2006 |
| 7112316 | Process for preparing molecular sieves via continuous addition of nutrients A process for synthesizing a variety of molecular sieves has been developed. The process involves forming a reaction mixture comprising reactive sources of the framework elements plus at least one templating agent, reacting the mixture to at least partially crystall... | 09/26/2006 |
| 6991678 | Process for preparing microporous crystalline titanium silicate A process for the preparation of crystalline microporous titanium silicates using ethylsilicate-40 and titanium peroxide as silicon and titanium sources respectively is described. The process permits a significant decrease in the production cost of titanium silicate... | 01/31/2006 |
| 6969692 | Process for the preparation of doped pentasil-type zeolites using a doped reactant A process for the preparation of a metal-doped pentasil-type zeolite comprising the steps of: a) preparing an aqueous precursor mixture comprising a silicon source and an aluminum source, at least one of these sources being doped with a rare earth metal... | 11/29/2005 |
| 6964934 | Process for the preparation of doped pentasil-type zeolite using doped seeds The present invention relates to a process for the preparation of doped pentasil-type zeolite, which process comprises the steps of: a) preparing an aqueous precursor mixture from a silicon source, an aluminium source, and doped non-zeolitic seeds; and | 11/15/2005 |
| 6478854 | High purity, low silica X-type zeolite binderless shaped product and gas separation method employing it There is provided, in a simple, rapid and efficient manner, a high purity, low silica X-type zeolite binderless shaped product with a high content of low silica X-type zeolite and high crystallinity, very high crush resistance and attrition resistance, an... | 11/12/2002 |
| 6451282 | Process for production of zeolites from raw materials containing alkali alumino hydro-silicates The invention relates to a process for production of zeolites from raw materials with alkali alumino-hydrosilicate content comprising converting the alkali alumino-hydrosilicate content of the raw material into an amorphous state by acidic treatment, sepa... | 09/17/2002 |
| 6413493 | Process for producing P zeolite The invention describes a process for preparing P zeolites in which aluminate and silicate solutions are reacted in the presence of a P-zeolite seed.... | 07/02/2002 |
| 6306363 | Fine low silica faujasite type zeolite and process for its production A fine low silica faujasite type zeolite of high purity, having a faujasite single phase as measured by X-ray diffractometry, wherein the SiO2 /Al2 O3 molar ratio is from 1.9 to 2.1, the water adsorption in the form of Na-... | 10/23/2001 |
| 6136289 | Preparation process for ferrierrite zeolite and its uses as an isomerization catalyst of linear olefin in isoolefin or as a hydrocracking and hydroisomerization paraffin catalyst A process of preparing a ferrierite-type zeolite, with high crystallinity rate and having a anhydrous stage composition expressed by the formula Mx (AlO2)x (SiO2)y, M being a cation of an alkaline met... | 10/24/2000 |
| 6096469 | Ink receptor media suitable for inkjet printing The ink receptor media of the invention comprise an ink receptor comprising surfactant templated mesoporous particles dispersed within an organic binder on the substrate. The ink receptor media may also have an ink fixing material within or on the ink rec... | 08/01/2000 |
| 6036939 | Heat-resistant low-silica zeolite, and process for production and application thereof A novel heat-resistant low-silica zeolite, an industrial production process, and uses of the low-silica zeolite are provided. The heat-resistant low-silica zeolite contains Si and Al in a molar ratio of SiO2 /Al2 O3 rangin... | 03/14/2000 |
| 5993773 | Low-silica faujasite type zeolite and method for producing the same Disclosed are high purity low-silica faujasite type zeolite showing a faujasite single phase on X-ray diffraction, having a SiO2 /Al2 O3 molar ratio of 1.9 to 2.1 and a water adsorption of 35.0% by weight or more when conv... | 11/30/1999 |
| 5948383 | Hybrid zeolite-silica compositions This invention relates to zeolitic molecular sieve compositions characterized by outstanding capability to complex multivalent cations, especially calcium. In particular, the invention relates to novel zeolitic molecular sieve compositions, especially tho... | 09/07/1999 |
| 5942207 | Method for making white zeolitic detergent builder from using a solid particulate source of alumina This invention relates to zeolitic molecular sieve compositions characterized by outstanding capability to complex multivalent cations, especially calcium. In particular, the invention relates to novel zeolitic molecular sieve compositions, having a high ... | 08/24/1999 |
| 5908823 | Microporous crystalline material, a process for its preparation and its use in detergent compositions A microporous crystalline material named zeolite A-LSX having, in its anhydrous form, an oxides molar composition corresponding to formula (I): (M2/n O+M'2/n O).Al2 O3.zSiO.sub.2 (I) in which: M and M', identical or d... | 06/01/1999 |
| 5800800 | Crystalline inorganic oxide compositions prepared by neutral templating route This invention relates to new crystalline organic compositions having unique combinations of framework-confined uniform mesopores and textural mesopores and to a method for their preparation. The compositions typically possess a framework wall thickness o... | 09/01/1998 |
| 5785946 | Crystalline inorganic oxide compositions prepared by neutral templating route This invention relates to new crystalline organic compositions having unique combinations of framework-confined uniform mesopores and textural mesopores and to a method for their preparation. The compositions typically possess a framework wall thickness o... | 07/28/1998 |
| 5772979 | Aluminosilicates Process for manufacturing an alkali metal aluminosilicate of zeolite wherein zeolite P seeds are produced in situ in a first reacting gel with a SiO2 /Al2 O3 ratio of above 2.2 and it is only after the formation of zeolite... | 06/30/1998 |
| 5714133 | Crystalline aluminosilicate zeolite syntheses The invention relates to an improvement in the method for synthesis of crystalline aluminosilicate zeolites, such as ZSM-10, whose synthesis requires or is improved by one or more periods of gel aging. The gel aging step is replaced by a continuous increa... | 02/03/1998 |
| 5665325 | Process for producing substantially binder-free zeolite Silica-bound extruded zeolites may be converted into binder-free zeolite aggregates by aging the zeolite in an aqueous ionic solution which contains hydroxy ions such that the initial molar ratio of OH- :SiO2 is up to 1.2 and which c... | 09/09/1997 |
| 5573745 | High micropore volume low silica EMT-containing metallosilicates The present invention is a composition, a synthesis of the composition and a method of using the composition for selectively adsorptively separating nitrogen from oxygen wherein the composition is a crystalline EMT with a Si/Al ratio less than 2.0 and a m... | 11/12/1996 |
| 5567407 | Li-exchanged low silica EMT-containing metallosilicates The present invention is a composition, a synthesis of the composition and a method of using the composition for selectively adsorptively separating nitrogen from oxygen wherein the composition is a crystalline EMT with a Si/Al ratio less than 2.0 and a l... | 10/22/1996 |
| 5512266 | Aluminosilicates and detergent composition Aluminosilicates in the form of P type zeolites are used as detergency builders and have a silicon to aluminium ratio not greater than 1.33, preferably above 0.9. These zeolites will usually have a calcium binding capacity of at least 150 mg CaO per gram ... | 04/30/1996 |
| 5466432 | Crystalline zeolite-like gallosilicate, and method for its synthesis The invention relates to a crystalline zeolite-like gallosilicate having an atomic ratio of Si/Ga in the outer crystalline surface that is not larger than the average Si/Ga ratio for the whole of the crystal. The invention also relates to a method of maki... | 11/14/1995 |
| 5362466 | Aluminosilicates The invention describes a process for preparing P zeolites in which aluminate and silicate solutions are reacted in the presence of a P-zeolite seed.... | 11/08/1994 |
| 5342596 | Process for making theta-1 zeolite Novel crystalline alumino silicates having the following composition in terms of the mole ratio of the oxides: 0.9&#b1;0.2 M2 n :Al2 O3 :x SiO2 :yH2 O wherein M is at least one cation having a valence n, x is a... | 08/30/1994 |
| 5275800 | Crystalline zeolites and method of preparation from amorphous silica particles Zeolite is synthesized by reacting amorphous silica particles with NaOH and Al2 O3 under hydrothermal reaction conditions. The amorphous silica particles are preferably produced by reaction of fluosilicic acid and alumina to form alu... | 01/04/1994 |
| 5273737 | Method for the preparation of crystalline gallosilicates, and their use for the preparation of catalysts and adsorbents Disclosed is a method for preparing crystalline gallosilicates having a molar ratio of SiO2 /Ga2 O3 ࣙ5 an having a more uniform particle size with enhanced catalytic activity. According to the method of the invention, cr... | 12/28/1993 |
| 5200377 | Zeolite SSZ-28 A crystalline zeolite SSZ-28 is prepared using an N,N-dimethyl-tropinium or N,N-dimethyl-3-azonium bicyclo[3.2.2]nonane cation as a template. Also disclosed is a process for converting hydrocarbons with crystalline zeolite SSZ-28.... | 04/06/1993 |
| 5186746 | High performance sams pigments of low oil, absorption, preparation, properties and end-use applications Sodium Aluminosilicates (SAMS) are produced by silicate/clay reactions under hydrothermal conditions, the SAMS being characterized by low oil absorption values and high total pore volumes. The SAMS products are useful as coating pigments for paper, paper ... | 02/16/1993 |
| 5185138 | Transistion-metal-aluminosilicate hydrocarbon conversion catalysts having an L type structure, ECR-22-D This invention relates to novel zeolitic compositions having transition metals as well as aluminum and silicon in the framework tetrahedral positions. The composition has a structure similar to type-L aluminosilicate zeolites. The invention also involves ... | 02/09/1993 |
| 5183650 | Micro-particulate aluminosilicate and process for producing the same A micro-particulate aluminosilicate suitable for use as an ion exchanger, adsorbent or the like has a mean particle size of not greater than 3 μm (micrometers), preferably not greater than 1 μm, as measured by precipitation particle size distribution me... | 02/02/1993 |
| 5178846 | Method for the preparation of wide-pore crystalline aluminophosphate molecular sieve An economical and environmentally safe method for synthesizing wide-pore aluminophosphate crystalline molecular sieves primarily involves inorganic synthesis requiring no structure-directing organic templates. In addition to aluminium and phosphate, furth... | 01/12/1993 |
| 5167707 | High performance coarse particle size SAMS pigments for paint and plastics applications High performance synthetic sodium aluminosilicate compositions, and the method of making the same by the hydrothermal reaction of certain delaminated kaolin clays with select sodium silicate reagents, result in enhanced performance flatting agents for pai... | 12/01/1992 |
