Matches 101 - 150 out of 343 < 1 2 3 4 5 6 7 >
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5968475 Dealuminated IM-5 zeolite  
The present invention relates to a dealuminated IM-5 zeolite and to any catalyst comprising that zeolite which is at least partially in its acid form. The invention also relates to the preparation...
5965104 Zeolite SSZ-43  
The present invention relates to new crystalline zeolite SSZ-43 prepared using a substituted piperidinium or decahydroquinolinium cation templating agent.
5958370 Zeolite SSZ-39  
The present invention relates to new crystalline zeolite SSZ-39 prepared using a cyclic or polycyclic quaternary ammonium cation templating agent.
5952257 MTW zeolite for cracking feedstock into olefins and isoparaffins  
The present invention relates to a zeolite catalyst, a process for using the catalyst for conversion of hydrocarbons, especially naphtha and LPG feedstock, and a process for preparing the catalyst.
5939044 Zeolite SSZ-36  
The present invention relates to new crystalline zeolite SSZ-36 prepared using a cyclic or polycyclic quaternary ammonium cation templating agent.
5911968 Method for making zeolite SSZ-44  
The present invention relates to new crystalline zeolite SSZ-44 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using a...
5910299 ERS-10 zeolite and process for its preparation  
A porous, crystalline material, designated ERS-10 zeolite, having in its calcined and anhydrous form a molecular composition of oxides corresponding to the formula (I): mM 2 /n O.zX 2 O 3 .YO 2 ...
5891417 Zirconium silicate and zirconium germanate molecular sieves and process using the same  
A new family of crystalline molecular sieves have been synthesized. These compositions have a microporous structure of ZrO 3 octahedral units, and at least one of SiO 2 tetrahedral units and GeO...
5888472 Zirconium silicate molecular sieves and process using the same  
A new family of crystalline molecular sieves have been synthesized. These compositions have a microporous structure of at least ZrO 3 octahedral units and SiO 2 tetrahedral units. Optionally, the...
5882624 ETS-14 crystalline titanium silicate molecular sieves, manufacture and use thereof  
A novel crystalline titanium silicate designated ETS-14 molecular sieve is disclosed and characterized. ETS-14 may be prepared by heating ETS-10 molecular sieve in the form of an aqueous gel or...
5879655 Method of making microporous non-zeolitic molecular sieves  
The present invention is a method for synthesizing non-zeolitic molecular sieves which have a three-dimensional microporous framework structure comprising AlO 2 ! and PO 2 ! units. In preparing...
5869021 Rare earth--ZSM-5/ZSM-11 cocrystalline zeolite  
A rare earth-containing zeolite with a cocrystalline structure of ZSM-5 and ZSM-11, wherein the weight ratio of the moiety having the crystalline structure of ZSM-5 to the moiety having the...
5830429 Metal silicate compositions and catalysts  
A high silica zeolite (UTD-1) using bis(pentamethyl-cyclopentadienyl)cobalt(III) hydroxide, Cp* 2 CoOH is disclosed. UTD-1 is a large pore molecular sieve having one dimensional channels running...
5800799 Porous inorganic oxide materials prepared by non-ionic surfactant and fluoride ion  
A method for the preparation of new quasi-crystalline, porous inorganic oxide compositions formed in the presence of fluoride ion possessing a disordered assembly of worm-like channels. The method...
5779882 Modified MCM-56, its preparation and use  
A layered composition of matter, MCM-56, has an X-ray diffraction pattern including lines at d-spacing values of 12.4±0.2, 9.9±0.3, 6.9±0.1, 6.2±0.1, 3.55±0.07 and 3.42±0.07 Angstroms and has...
5770175 Method of preparing zeolite SSZ-42  
The present invention relates to new crystalline zeolite SSZ-42 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using an organic templating agent...
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...
5707601 Process for preparing zeolites having MTT crystal structure using small, neutral amines  
The present invention relates to a process for preparing zeolites having the MTT crystal structure, such as zeolites SSZ-32 and ZSM-23, using small, neutral amines capable of forming the zeolite,...
5707600 Process for preparing medium pore size zeolites using neutral amines  
The present invention relates to a process for preparing medium pore size zeolites using small, neutral amines capable of forming the zeolite, the amine containing (a) only carbon, nitrogen and...
5705142 Process for producing a crystalline aluminosilicate  
The present invention disclosed a crystalline aluminosilicate which has the following characteristics: (A) an SiO 2 /Al 2 O 3 molar ratio as determined by chemical analysis of from 5 to 11; ...
5693215 Low-Aluminum boron beta zeolite  
A crystalline low-aluminum boron beta zeolite is used for dewaxing hydrocarbonaceous feeds.
5675050 Crystalline microporous solids consisting of aluminophosphates substituted by a metal and optionally by silicon and belonging to the FAU structure type, their synthesis and applications  
Crystalline microporous solids of the aluminophosphate type consisting of MeAPO-FAU and MeAPSO-FAU with Me denoting a metal which can adopt tetrahedral coordination in an oxide, for example Co and...
5670131 Synthetic porous crystalline MCM-61, its synthesis and use  
This invention relates to a new synthetic porous crystalline material, designated MCM-61, a method for its preparation and use thereof as a sorbent or in catalytic conversion of organic or...
5663471 Procedure for synthesis of crystalline microporous silico-alumino-phosphates  
A process for producing crystalline microporous silico-alumino-phosphates with controlled Si content from a mixture of reactive sources of SiO 2 , Al 2 O 3 and P 2 O 5 and an organic template...
5653956 Zeolite SSZ-42  
The present invention relates to new crystalline zeolite SSZ-42 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using an organic templating agent...
5648058 Synthesis of novel molecular sieves using a metal complex as a template  
The synthesis and characterization of novel molecular sieves containing bis(pentamethylcyclopentadienyl) cobalt(III) ion are described. Several types of molecular sieves were prepared using the...
5624657 Crystalline zeolite composition ECR-31 and process for its preparation  
ECR-31 is a new zeolite having a 12-ring channel. It may be expected to have similar properties to other 12-ring channel zeolites in catalysis and separations.
5614166 Crystalline solids having the RUB-13 structure  
A crystalline solid comprising a boro-, alumino-, gallo-, titano-, vanado- or zincosilicate or a mixture thereof having the RUB-13 structure, which has a monoclinic space group and exhibits an...
5591256 High performance synthetic alkali metal alumino-silicate, methods and uses, compositions and high solids reaction methods of their preparation  
Sodium alumino-silicates are produced by silicate/clay reactions under hydrothermal conditions with increased solids during processing while still producing structural materials characterized by...
5591421 Zeolite SSZ-41  
The present invention relates to new crystalline zeolite SSZ-41 which comprises oxides of (1) silicon or a mixture of silicon and germanium, and (2) zinc, said zinc being present in an amount from...
5589153 Synthesis of crystalline porous solids in ammonia  
A process of preparing a crystalline porous solid selected from silicas and metallosilicates, such as, aluminosilicate zeolites or clathrasils. The process involves preparing a reaction mixture...
5512267 Zeolite CIT-1  
A zeolite composition CIT-1 is provided, the composition having a mole ratio greater than about 20:1 of a first oxide selected from silicon oxide, germanium oxide, or mixtures thereof to a second...
5455020 Gallium silicate having 12-ring pores (ECR-34) and a method for its preparation  
A synthetic gallosilicate zeolite having a 12-ring pore structure and a process for preparing it.
5453263 Halide-free process for the synthesis of ETS-10  
A novel process for the preparation of a crystalline titanium molecular sieve zeolite identified as ETS-10 characterized by crystals of uniform morphology which is free from halide-containing...
5441721 Synthesis of porous crystalline MCM-58  
This invention relates to a new method for synthesis of porous crystalline material designated MCM-58. The crystalline MCM-58 product of the present method exhibits a distinctive X-ray diffraction...
5437855 Synthetic porous crystalline MCM-58, its synthesis and use  
This invention relates to a new synthetic porous crystalline material, designated MCM-58, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new...
5399337 Synthesis of crystalline SUZ-9  
This invention relates to a new form of crystalline material identified as having the structure of SUZ-9, to a new and useful method for synthesizing said crystalline material and to use of said...
5397561 Zeolite-type material  
A novel zeolite type material, designated SUZ-9 and suitable for use as an absorbent, catalyst or catalyst base, has, in its dehydrated organic free form, the empirical form m (M 2 /a O):X z O xz...
5397560 Microporous crystalline aluminosilicate designated DCM-2  
A novel microporous crystalline aluminosilicate designated DCM-2 is disclosed. The composition, as synthesized, contains lithium cations and is represented by the oxide composition: Li 2 OAl 2 ...
5393511 Synthesis of zeolites of faujasite structure  
A process is provided for the preparation of zeolites belonging to the faujasite structural class and exhibiting a Si:Al ratio higher than 1 in which a reaction mixture is first produced, which has...
5385718 Zeolites  
A zeolite, designated NU-85, is an intergrowth of zeolites EU-1 and NU-87. The zeolite is a useful catalyst in a wide variety of hydrocarbon conversion reactions including isomerisation and...
5374411 Crystalline aluminumphosphate compositions  
Crystalline aluminumphosphate compositions having three-dimensional microporous crystal framework structures whose chemical composition expressed in terms of mole ratios is Al 2 O 3 :1.0±P 2 O...
5362697 Synthetic layered MCM-56, its synthesis and use  
This invention relates to a new synthetic layered material, a method for its preparation and use thereof as a sorbent and as a catalyst component in catalytic conversion of organic compounds.
5350570 Synthesis of crystalline ZSM-18  
This invention relates to a new form of crystalline material identified as having the structure of ZSM-18, to a new and useful method for synthesizing said crystalline material and to use of said...
5348725 Method of making pillared hydrotalcites and associated products  
A method of making a pillared hydrotalcite and an associated products. The pillared hydrotalcite is made by calcining a hydrotalcite having the formula A w B x (OH) y [C] z nH 2 O, wherein...
5348687 M41S materials having nonlinear optical properties  
A material exhibiting third order nonlinear optic properties includes quantum size clusters of semiconducting guest material incorporated into the pores of M41S material in an arrangement to...
5346685 Synthetic porous crystalline MCM-51, its synthesis and use  
This invention relates to a new synthetic porous crystalline titanium phosphate material, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new...
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±0.2 M 2 n :Al 2 O 3 :x SiO 2 :yH 2 O wherein M is at least one cation...
5338527 Zirconium silicate composition, method of preparation and uses thereof  
This invention relates to a novel zirconium silicate compound which has the formula M x Si y Zr z O w where M is an ammonium ion, a hydronium ion, an alkali metal or mixtures thereof and x, y,...
5316753 Zeolite SSZ-35  
The present invention relates to new crystalline zeolite SSZ-35 prepared by processes for preparing crystalline molecular sieves, particularly large pore zeolites, using conformationally...
Matches 101 - 150 out of 343 < 1 2 3 4 5 6 7 >