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| Number | Title | Issue Date |
| 4664775 | Method for manufacturing low pour point petroleum product with zeolite TSZ This invention relates to a method for catalytically manufacturing a low pour point petroleum product from distillates of crude oil, and more particularly to a method for economically manufacturing a low pour point petroleum product, such as the insulatin... | 05/12/1987 |
| 4663140 | Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound A process of manufacture of a crystalline aluminum silicate is disclosed wherein the aqueous forming solution has augmented thereto both a pyridine compound and a quaternary ammonium hydroxide. The process derives a novel crystalline aluminum silicate com... | 05/05/1987 |
| 4661332 | Zeolite (ECR-18) isostructural with paulingite and a method for its preparation This invention relates to a synthetic zeolite, designated as ECR-18, having a structure similar to the mineral paulingite and a process for preparation of the zeolite.... | 04/28/1987 |
| 4657748 | Crystalline zeolite (ECR-1) and process for preparing it A synthetic crystalline zeolite is provided characterized by having a composition, in terms of mole ratios of oxides, in the range: wherein R represents a bis-(2-hydroxyethyl) dimethylammonium group, and characterized by having atoms arranged in a structure as... | 04/14/1987 |
| 4656016 | Silica-based synthetic materials containing boron in the crystal lattice and processes for their preparation The invention is concerned with particular crystalline silica materials that contain boron in the crystal lattice. These materials are useful as catalysts for many reactions.... | 04/07/1987 |
| 4645655 | Process for the preparation of zeolite Nu-27 using tetramethylmediamine A crystalline zeolitic material, designated Nu-27, has a composition (in terms of mole ratios of oxides) expressed by the formula: wherein M is a monovalent cation of 1/n of a cation of valency n, a is from 0 to 9, X is silicon and/or germanium, Y is one or mo... | 02/24/1987 |
| 4637923 | Synthetic crystalline silicate This invention relates to a new synthetic porous crystalline material, a method for its preparation and use thereof in catalytic conversion of organic compounds. The new crystalline material exhibits a distinctive X-ray diffraction pattern.... | 01/20/1987 |
| 4634686 | Yttrium silicate molecular sieves A yttrium-silicate molecular sieve is disclosed which comprises a complex represented in terms of mole ratios of oxides as follows: wherein A is an alkali metal; a is a number ranging from about 0.5 to about 20; b is a number ranging from about 2 to about 400;... | 01/06/1987 |
| 4623529 | Method of making a zeolite of the clinoptilolite type by seeding The present invention is directed to the preparation of a synthetic crystalline zeolite of the clinoptilolite type wherein a solid amorphous silica, an alumina source, sodium hydroxide, a seed clinoptilolite and water are mixed together, heated, refluxed,... | 11/18/1986 |
| 4623530 | Crystalline magnesia-silica composites and process for producing same Novel aromatic alkylation catalysts are manufactured by an extended hydrothermal treatment of the precipitation product of a magnesium salt with sodium silicate in the presence of tetrapropylammonium bormide or related compound.... | 11/18/1986 |
| 4623526 | Process for the preparation of a crystalline titanoborosilicate A new crystalline titanoborosilicate comprises a molecular sieve material having the following composition in terms of mole ratios of oxide: wherein M is at least one cation having a valence n, a is greater than zero but less than 1, b is greater than zero but... | 11/18/1986 |
| 4619820 | Synthesis of ZSM-23 zeolite and the product produced An improved method of synthesizing highly siliceous ZSM-23 zeolitic material is disclosed and claimed. The method comprises preparing a reaction mixture which comprises sources of an alkali metal, an oxide of aluminum (Al2 O3), an ox... | 10/28/1986 |
| 4613488 | Process for the preparation of crystalline aluminum silicate compounds using pyridine and a quaternary ammonium compound A process of manufacture of a crystalline aluminum silicate is disclosed wherein the aqueous forming solution has augmented thereto both a pyridine compound and a quaternary ammonium hydroxide. The process derives a novel crystalline aluminum silicate com... | 09/23/1986 |
| 4610854 | Zeolite SSZ-15 and process for preparing the same A crystalline zeolite, SSZ-15, is prepared from cyclopentyl trimethylammonium and cyclohexyl trimethylammonium cations.... | 09/09/1986 |
| 4610855 | Synthesis of zeolite ZSM-14 A process for preparing ZSM-14 zeolite, and a product thereof, is disclosed. The process uses an organic directing agent of the formula where A is a cation having a valence m, R' is an inorganic or an organic acid moiety, and R" is a linear or branched aliphat... | 09/09/1986 |
| 4582693 | Synthesis of silica molecular sieves using synthesis directing organic dyes A method is disclosed for making a silica molecular sieve comprising: (A) providing a mixture comprising: water; an oxide, hydroxide or alkoxide of silicon; a mineralizing agent; and a synthesis directing nitrogen containing organic dye; and (B) maintaining sa... | 04/15/1986 |
| 4581211 | Zeolite EU-12 A new zeolite material designated EU-12 has a molar composition expressed by the formula: 0.5 to 2.0 R2 O: Y2 O3 : at least 5 XO2 : 0 to 1000 H2 O wherein R is a monovalent cation or 1/n of a cation o... | 04/08/1986 |
| 4581216 | Process for preparing crystalline aluminosilicate zeolites using a carboxylic acid A crystalline aluminosilicate zeolite is obtained by stirring under heating an aqueous reaction mixture containing a silica source, an alumina source, an alkali source and an organic carboxylic acid.... | 04/08/1986 |
| 4581212 | Zeolite EU-7 A new zeolite material designated EU-7 has a molar composition expressed by the formula: wherein R is a monovalent cation or 1/n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, chromium, vanadium, molybdenum, a... | 04/08/1986 |
| 4578259 | Process for preparing a crystalline aluminosilicate Crystalline aluminosilicates, a process for the production thereof and uses therefor are disclosed. The crystalline aluminosilicates are of new crystalline structure, which, as determined after calcination in the air at 550° C., have a composition repres... | 03/25/1986 |
| 4568654 | Zeolite ZSM-51 composition A novel crystalline zeolite identified as zeolite ZSM-51 and its method of preparation is disclosed. The use of the material as a catalyst is also disclosed.... | 02/04/1986 |
| 4564511 | Synthesis of molecular sieving metallosilicates using heteropolymetallates A method for preparing a molecular sieving metallosilicate is disclosed which comprises (A) providing a mixture comprising: water; an oxide of silicon source; a mineralizing agent and/or synthesis directing agent; and a heteropolymetallate of the formula ... | 01/14/1986 |
| 4563480 | Catalyst for the production of hydrocarbons and process for their production A catalyst for the production of hydrocarbon consists essentially of crystalline aluminum silicate, at least one compound of the metal zinc and/or cadmium and additionally silica. The catalyst is produced by heating a crystalline aluminum silicate, in a g... | 01/07/1986 |
| 4562166 | Synthesis of Dodecasil-1H with a methylazabicyclononanium directing agent There is provided a method and a reaction mixture for preparing the zeolite, Dodecasil-1H, with a methylazabicyclononanium directing agent. There is also provided the Dodecasil-1H zeolite in as-synthesized form prepared by this method.... | 12/31/1985 |
| 4557919 | Production of crystalline zeolites A process for producing a crystalline zeolite TPZ-12, which comprises maintaining a starting mixture at a temperature of at least 80° C. for a period sufficient to produce zeolite crystals, said starting mixture consisting of (a) a substance capable of y... | 12/10/1985 |
| 4556549 | Process for making zeolite ZSM-45 with an organocobalt complex This invention relates to a method for preparing a synthetic porous crystalline aluminosilicate zeolite, characterized as zeolite ZSM-45. This crystalline material may have a molar ratio of silica to alumina of at least 8. This synthetic zeolite is analog... | 12/03/1985 |
| 4554142 | Process for the preparation of borosilicate zeolites Novel crystalline ZBH borosilicate zeolites of the pentasil type are prepared by hydrothermal crystallization of silicon dioxide and boric acid in the presence of alkali metal salts, at from 80° to 140° C. in an ethereal or aqueous-ethereal mixture.... | 11/19/1985 |
| 4544539 | Zeolite L with cylindrical morphology A zeolite related to zeolite L and having a characteristic cylindrical morphology may be prepared from a crystallization gel comprising (in mole ratios of oxides): K2 O/SiO2 : 0.22-0.36 H2 O/K2 O: 25-90 SiO2 | 10/01/1985 |
| 4544538 | Zeolite SSZ-13 and its method of preparation A crystalline zeolite, SSZ-13, is prepared from organic nitrogen-containing cations derived from 1-adamantamine, 3-quinuclidinol, and 2-exo-aminonorbornane,... | 10/01/1985 |
| 4539193 | Synthesis of crystalline silicate ZSM-12 This invention relates to a new and improved form of crystalline silicate identified as zeolite ZSM-12, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accordance herewith as a ... | 09/03/1985 |
| 4537754 | Zeolite EU-1 and a method of making zeolite EU-1 A new zeolite material designated EU-1 having a molar composition expressed by the formula: wherein R is a monovalent cation or 1 /n of a cation of valency n, X is silicon and/or germanium, Y is one or more of aluminum, iron, gallium or boron, ... | 08/27/1985 |
| 4537757 | Crystalline aluminosilicate AZ-1 and a process for producing the same A novel crystalline aluminosilicate which exhibits a specific X-ray diffraction pattern having at least seven diffraction lines showing the following relative intensities at the positions of the following respective diffraction angle (2θ): Such a crystal... | 08/27/1985 |
| 4533649 | Method of preparing crystalline aluminosilicates The present invention relates to a process for producing crystalline aluminosilicates having in the hydrogen form an X-ray diffraction pattern substantially as set forth in Table 1 of this specification and the following composition in terms of the mole r... | 08/06/1985 |
| 4528171 | Zeolite and process for preparing the same A synthetic zeolite material, designated zeolite EU-4, having a molar composition expressed by the formula: wherein M is a monovalent cation or 1/n of a cation of valency n, a is from 0 to 9, X is silicon and/or germanium, Y is one or more of aluminum, iron, ... | 07/09/1985 |
| 4526878 | Method for supporting metal and/or metal oxide on a crystalline aluminosilicate zeolite catalyst The present invention relates to a new method for supporting a metal and/or a metal oxide on a crystalline aluminosilicate zeolite. The resulting products are useful as catalysts and are designated ZKU-5, ZKU-6 and ZKU-7 (Zeolite Kyoto University catalyst... | 07/02/1985 |
| 4522800 | Process for the production of a crystalline aluminosilicate zeolite A method for making crystalline aluminosilicate ZSM-34 zeolites, useful as catalysts for making C2 -C4 -olefins from methanol, from a reaction mixture containing silicon, aluminum, sodium, potassium, and an organic template compound ... | 06/11/1985 |
| 4519998 | Process for the preparation of a crystalline titanoborosilicate A new crystalline titanoborosilicate comprises a molecular sieve material having the following composition in terms of mole ratios of oxide: wherein M is at least one cation having a valence n, y is a value within the range of 8 to about 500, and z is a value ... | 05/28/1985 |
| 4511547 | Process for preparing crystalline aluminosilicate zeolites using a carboxylic acid A crystalline aluminosilicate zeolite is obtained by stirring under heating an aqueous reaction mixture containing a silica source, an alumina source, an alkali source and an organic carboxylic acid not containing an aromatic ring preferably having 3 to 6... | 04/16/1985 |
| 4510256 | Zeolite SSZ-19 A crystalline silicaceous material, referred to as zeolite SSZ-19 or SSZ-19, having the characteristic X-ray diffraction lines of Table I is prepared with a reaction mixture containing an organic template component which can be a cycloalkyl trimethylammon... | 04/09/1985 |
| 4508837 | Zeolite SSZ-16 A crystalline zeolite, SSZ-16, is prepared from organic nitrogen-containing species derived from 1,4-di(1-azoniabicyclo[2.2.2]octane) lower alkane compounds.... | 04/02/1985 |
