| Patents for C01B 39 - Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination (11,724) |
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| 01/23/1992 | WO1992000808A1 Method of intercalation of perovskitic particles in the form of pillars into layered clays |
| 01/21/1992 | US5082641 Silicon/titanium oxide mfi zeolites |
| 01/15/1992 | EP0466545A1 Zeolites based on silica and oxides of tetravalent elements, method for their synthesis and their use |
| 01/15/1992 | EP0466012A2 Method for preparation of crystalline zeolite like gallosilicates and their use for the preparation of catalysts and adsorbents |
| 01/15/1992 | EP0465642A1 New zeolite ssz-31 |
| 01/14/1992 | WO1992000915A1 Crystalline molecular sieve composition |
| 01/14/1992 | CA2084756A1 Crystalline molecular sieve composition |
| 01/09/1992 | DE2858796C2 Metal-contg. ZSM-5 type zeolites |
| 01/09/1992 | CA2046438A1 Synthetic crystalline aluminosilicate for the catalytic conversion of hydrocarbons in petrochemical processes |
| 01/08/1992 | EP0464249A1 Process for the manufacture of crystalline molecular sieves with large pores |
| 01/08/1992 | EP0152485B1 Binder-free zeolite catalyst, process for its preparation, and catalytic reaction using same |
| 01/02/1992 | EP0463793A2 Synthesis of crystalline aluminophosphate composition |
| 01/02/1992 | EP0463768A2 Zeolites |
| 01/02/1992 | EP0393138A4 Crystalline molecular sieve |
| 12/31/1991 | US5077026 Ferrisilicate molecular sieve |
| 12/27/1991 | EP0462745A2 Zeolites |
| 12/27/1991 | EP0462681A1 Synthesis of zeolite ZSM-23 |
| 12/27/1991 | EP0462598A2 Transition metal-containing zeolite having high hydrothermal stability, production method thereof and method of using same |
| 12/27/1991 | CA2045024A1 Synthesis of crystalline aluminophosphate composition |
| 12/24/1991 | US5075269 Production of high viscosity index lubricating oil stock |
| 12/24/1991 | US5075089 Calcining, forming intercalation compound with chromate, molybdates, vavadates, tungstates, or silicates |
| 12/18/1991 | CN1057039A Composition of synthetic porous crystalline material, its synthesis and use |
| 12/17/1991 | US5073672 Catalyst of the gallosilicate type and its utilization for the aromatization of light C2 -C4 gases |
| 12/17/1991 | CA1293239C Synthetic alkali metal alumino-silicates, compositions and their methods of preparation |
| 12/12/1991 | WO1991018833A1 Large-pored molecular sieves containing at least one octahedral site and tetrahedral sites of at least one type |
| 12/11/1991 | EP0460512A1 Membrane formed of crystalline molecular sieve material |
| 12/10/1991 | US5071804 Aluminum enriched chabazite |
| 12/10/1991 | US5071801 High density leucite based ceramics from zeolite |
| 12/04/1991 | EP0458839A1 Method for producing a cellular body. |
| 12/04/1991 | CN1014975B Layered oxides containing interlayer polymeric oxides and their syntesis |
| 11/28/1991 | WO1991017955A1 Zeolites |
| 11/28/1991 | WO1991017954A1 Process for producing zeoliths from tempered sand |
| 11/28/1991 | CA2078558A1 Zeolites |
| 11/27/1991 | EP0458414A2 Metals-containing zeolites, a process for preparing such zeolites and their use in catalytic processes |
| 11/26/1991 | US5068096 Containing Groups 1A, 2A, 3A, 4A oxides and bis(methylpyrrolidinium)-DIQUAT-4 directing agent |
| 11/23/1991 | CA2042886A1 Metals-containing zeolites, a process for preparing such zeolites and their use in catalytic processes |
| 11/21/1991 | DE4015850A1 Sodium or potassium aluminosilicate zeolite hydrothermal |
| 11/19/1991 | US5066630 Method for removing nitrogen-containing organic compounds from crystalline metallosilicate |
| 11/14/1991 | WO1991017115A1 Growing sodium type x zeolite crystals |
| 11/14/1991 | WO1991016964A1 Dehumidifier |
| 11/14/1991 | WO1991011390A3 Synthetic porous crystalline material its synthesis and use |
| 11/12/1991 | US5064793 And reduced alkali metal content hydrorefining/isomerization catalysts |
| 11/12/1991 | US5064630 Zeolite l preparation |
| 11/12/1991 | US5064629 Titanium-boron-oxide, synthetic materials based thereon and method of preparing the same |
| 11/12/1991 | US5064562 Stable pumpable zeolite/silicone suspensions |
| 11/12/1991 | CA1291980C Process for preparing a macrostructural unit having a catalytically-active zeolite surface |
| 11/12/1991 | CA1291979C Process for the preparation of ferrierite and its use as dewaxing catalyst (carrier) |
| 11/05/1991 | US5063038 Zeolite synthesis using an alcohol or like molecule |
| 11/05/1991 | US5063037 Zeolites, catalysts ! |
| 11/05/1991 | CA1291742C Catalyst base |
| 10/23/1991 | EP0453340A1 Process for the synthesis of a silica enriched, cristalline aluminosilicate with the offretite structure. |
| 10/23/1991 | EP0453173A2 Modified crystalline aluminosilicate zeolites and process for their preparation |
| 10/23/1991 | EP0453148A1 Gallium zeolites |
| 10/22/1991 | CA1290920C Production of useful materials including synthetic nepheline from bayer red mud |
| 10/17/1991 | WO1991015427A1 Process for converting bayer sodalite into zeolite of type a |
| 10/17/1991 | WO1991015426A1 NEW COMPOUND OF THE K-Nb-Si-O SYSTEM AND ITS DERIVATIVES, PROCESS FOR SYNTHESISING THEM AND THEIR APPLICATIONS, IN PARTICULAR IN OPTICS |
| 10/17/1991 | DE4011882A1 Zeolite granulate calcination in rotary calciner - with closed spiral screw, useful for high activity esp. in oxygen purificn., by pressure swing adsorption |
| 10/15/1991 | US5057296 Sintering oxides, quaternary ammonium compounds, auxilliary hydrocarbons, and amines |
| 10/15/1991 | US5057152 Surface cleaner/polish compositions and a process for the preparation thereof |
| 10/12/1991 | CA2040192A1 Modified crystalline aluminosilicate zeolites and process for their preparation |
| 10/09/1991 | EP0451112A1 Process for zeolite production |
| 10/09/1991 | CN1014233B Oligomerization of olefins |
| 10/03/1991 | WO1991014652A1 Process for direct synthesis of mordenites |
| 10/01/1991 | US5053373 Zeolite SSZ-32 |
| 10/01/1991 | US5053213 Process for synthesizing a molecular sieve having the faujasite structure and containing aluminum and gallium |
| 10/01/1991 | CA1289935C Process for the preparation of a zsm-5 aluminosilicate zeolite |
| 09/24/1991 | US5051387 Zeolite L preparation |
| 09/24/1991 | US5051246 Diaminopropane reacted with aluminophosphate |
| 09/18/1991 | EP0446542A1 Activator composition for septic tanks |
| 09/17/1991 | US5049366 Catalysts, catalyst supports, molecular sieves |
| 09/11/1991 | EP0422013A4 Method for intercalating organic-swelled layered metal chalcogenide with polymer chalogenide by treatment with organic, hydrolyzable, polymeric chalcogenide precursor wherein organic hydrolysis by-products are removed |
| 09/11/1991 | EP0419581A4 Method for intercalating organic-swelled layered metal chalcogenide with a polymeric chalcogenide by plural treatments with polymeric chalcogenide precursor |
| 09/03/1991 | US5045293 Novel crystalline aluminophosphates and related compounds |
| 09/02/1991 | WO1991013132A1 Synthesis of a crystalline silicoaluminophosphate |
| 08/28/1991 | EP0443539A2 Process for the preparation of gallosilicates and their use for the preparation of catalysts and absorbents |
| 08/28/1991 | EP0443004A1 Synthesis of aluminosilicate zeolites with faujasite structure. |
| 08/28/1991 | EP0442923A1 Process for producing high-density zeolite-containing granules |
| 08/28/1991 | EP0442879A1 Synthesis of a crystalline molecular sieve |
| 08/27/1991 | CA1288086C Dealumination of zeolites |
| 08/20/1991 | US5041652 Method for the preparation of a catalyst for the ammoximation of carboxylic compound |
| 08/20/1991 | US5041402 Containing oxides of silicon and/or germanium with aluminum, iron, gallium, boron titanium, vanadium, zirconium, molybdenum, arsenic, chromium and/or manganese |
| 08/20/1991 | US5041205 Hydrocarbon/oxygenate conversion using crystalline (metallo) silicates and germinates SUZ-2 |
| 08/14/1991 | CN1053808A Preparation method for rare earth y molecular sieve |
| 08/13/1991 | US5039641 Process for modification of a molecular sieve |
| 08/13/1991 | CA1287613C Boronaaronate molecular sieve |
| 08/13/1991 | CA1287612C Layered metal chalcogenides containing interlayer chalcogenides and their synthesis |
| 08/13/1991 | CA1287611C Layered metal oxides containing interlayer oxides and their synthesis |
| 08/08/1991 | WO1991011390A2 Synthetic porous crystalline material its synthesis and use |
| 08/07/1991 | EP0439461A1 Matrix membrane |
| 07/31/1991 | EP0439006A1 Nucleants for crystalline polyolefins modified by means of macroradicalic degradation |
| 07/31/1991 | EP0438818A2 Preparation of crystalline porous boro-silicates |
| 07/30/1991 | US5035868 Catalyst composition containing a crystalline galliosilicate having the zeolite L type structure |
| 07/27/1991 | WO1991011258A1 New zeolite ssz-31 |
| 07/27/1991 | CA2049035A1 Zeolite ssz-31 |
| 07/25/1991 | CA2034808A1 Nucleants for crystalline polyolefines modified by means of macroradicalic degradation |
| 07/24/1991 | EP0437989A1 Zeolite of the levyne type and method for its preparation |
| 07/24/1991 | EP0437429A1 Synthetic crystalline molecular sieve and its synthesis |
| 07/17/1991 | EP0436713A1 Synthesis of faujasitic structure gallosilicate zeolites. |
| 07/16/1991 | US5032152 Modified molecular sieve |
| 07/09/1991 | US5030432 Crystalline galliosilicate with the zeolite omega structure |