Patents
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)
01/1988
01/07/1988EP0251892A1 Binary zeolitic systems, their synthesis and their use
01/07/1988EP0251589A2 Synthesis of crystalline binary oxides
01/07/1988EP0251358A2 Catalyst composition and a process for the preparation therewith of hydrocarbons from synthesis gas
01/05/1988US4717780 Alkylation, transalkylation, disproportionation, isomerization with zeolite zsm-58 catalyst
01/05/1988US4717700 Zeolites, metal oxides, dispersion, heating, controlling
01/05/1988US4717560 Crystalline zeolite composition (ECR-5) having a cancrinite-like structure and process for its preparation
01/05/1988CA1231084A1 Silica-clay complexes
01/05/1988CA1231083A1 Continuous process for manufacturing crystalline zeolites
12/1987
12/30/1987WO1987007884A1 Synthetic alkali metal alumino-silicates, methods and uses, compositions and their methods of preparation
12/23/1987EP0250213A2 Catalyst drying and activation methods
12/23/1987EP0249914A1 Xylene isomerization
12/22/1987US4714690 Silicate-bound zeolite granulates, process for their production and use
12/22/1987US4714601 Process for preparing a high silica faujasite aluminosilicate, ECR-4
12/09/1987CN87103203A Crystalline aluminium silicate, its preparation and its use as catalyst (carrier)
12/09/1987CN86108965A Crystalline gallophosphate compositions
12/08/1987US4711970 Increased amount of lattice metal in catalyst; conversion of paraffins or olefins to higher hydrocarbons
12/08/1987US4711770 Silicon substituted Y zeolite composition LZ-210
12/01/1987CA1229840A1 Synthesis of zeolite zsm-5, reaction mixture therefor and product thereof
12/01/1987CA1229839A1 Zeolite zsm-14 and a process and reaction mixture for synthesis of the same
11/1987
11/24/1987US4709114 Zeolite zsm-58 as catalyst
11/17/1987US4707345 Titanium-aluminum-silicon-oxide molecular sieve compositions and process for preparing the same
11/17/1987CA1229331A1 Method of treating zeolite ores to remove discoloring impurities and improve its brightness and resulting finely ground zeolitic product and coating materials, paper and coated paper containing same
11/10/1987US4705675 Synthesis of molecular sieving metallosilicates using silica-transition metal oxide sols
11/10/1987US4705674 Synthesis of zeolite EU-13 from a reaction mixture containing tetramethylammonium compound
11/04/1987EP0244056A2 Dealumination of zeolites
10/1987
10/28/1987EP0243129A1 Production of unsaturated hydrocarbons by selective cracking
10/28/1987EP0242904A2 A crystalline aluminium silicate, its preparation and its use as catalyst (carrier)
10/27/1987US4703025 Method for purifying zeolitic material
10/20/1987US4701315 Zeolite L and process for its preparation
10/20/1987US4701313 Ion exchanging; preserving aluminum content
10/14/1987EP0241199A2 Boron substitution into the framework of crystalline silicates
10/07/1987EP0240359A2 A method of pillaring micas and the resulting pillared micas
10/06/1987US4698217 Crystalline silicate ZSM-58 and process for its preparation using a methyltropinium cation
09/1987
09/29/1987CA1227498A1 Process for isomerizing xylenes
09/29/1987CA1227475A1 Tailoring acid strength of zsm-12
09/29/1987CA1227474A1 Tailoring acid strength of zsm-11
09/22/1987US4695667 Novel crystalline aluminosilicate zeolites and process for production thereof
09/22/1987US4695440 Crystalline aluminosilicate ISI-6
09/16/1987EP0237074A2 Process for separating oxygen from air
09/16/1987EP0236612A1 Phosphorus modified magnesium silicate
09/16/1987EP0236590A1 Process for the preparation of ferrierite and its use as dewaxing catalyst (carrier)
09/09/1987CN86108200A Process for preparation of ferrierite and its use as dewaxing catalyst (carrier)
09/08/1987US4692264 Stabilizing with alkaline earth metal cation
09/08/1987CA1226569A1 Adsorbent for rapid pressure swing adsorption process
09/02/1987EP0234755A2 Borosilicate molecular sieve
09/01/1987US4690808 Crystalline gallophosphate compositions
08/1987
08/26/1987EP0233689A2 Aqueous zeolite dispersion
08/18/1987US4687878 Separation of hydrocarbons using magnetizable adsorbents
08/18/1987US4687871 Adsorption on a crystalline molecular sieves
08/18/1987US4687654 Process for preparing ZSM-5, large pore mordenite and ZSM-35
08/18/1987US4687653 Process for preparation of zeolite OE having an offretite type structure
08/18/1987CA1225629A1 Method of preparing crystalline zeolite
08/12/1987EP0231860A2 New zeolite SSZ-25
08/11/1987US4686093 Molecular sieve compositions with aluminum, phosphorus and at least two other elements
08/11/1987CA1225387A1 Process for preparing type l zeolites by nucleation technique
08/11/1987CA1225385A1 Process for preparing a zeolite of the l type using organic templates
08/05/1987EP0231019A2 New zeolite SSZ-24
08/05/1987EP0231018A2 New zeolite SSZ-23
08/05/1987CN86108104A Catalytic system for the production of aromatics form aliphatic hydrocarbons
08/04/1987US4684617 Titanium-aluminum-phosphorus-silicon-oxide molecular sieves
08/04/1987CA1225038A1 Apparatus and process for zeolite suspensions
07/1987
07/30/1987DE3602066A1 Spray-drying process for drying zeolite gel, zeolite suspension and catalyst suspension with recovery of sensible heat (energy)
07/28/1987US4683334 Modified 8-ring zeolites as catalysts for conversion of methanol and ammonia to dimethylamine
07/28/1987US4683318 Hydrophobic, crystalline, microporous silaceous materials of regular geometry
07/28/1987US4683217 Iron-aluminum-phosphorus-silicon-oxide molecular sieves
07/22/1987EP0229261A2 Formed zeolithic object
07/21/1987US4681747 Process for the preparation of metallosilicates of tetravalent lanthanide and actinide series metals using heterpoly metallates
07/14/1987US4680170 Synthesis of zeolitic materials using ion-exchange resin
07/14/1987CA1224201A1 Process for the manufacture of zeolite a and product obtained
07/14/1987CA1224130A1 Burner for use in heating an enclosure
07/07/1987US4678765 Catalytic cracking catalysts for high octane gasoline products
07/07/1987US4678651 In presence of transparent faujasite germ solution
07/07/1987CA1223858A1 Hydrophobic, crystalline, microporous silaceous materials of regular geometry
07/07/1987CA1223857A1 Synthesis of zsm-23 zeolite
07/01/1987EP0226674A1 A porous crystalline material and a method of preparing same
06/1987
06/30/1987US4677239 Toluene disproportionation with a surface dealuminated zeolite
06/30/1987US4677236 Alkali metal oxide exchanged zeolite and active group eight m etal
06/30/1987US4676958 Roasting with ammonium compounds
06/24/1987EP0226422A1 Catalytic composition and process for the production of aromatics from aliphatic hydrocarbons by dehydrocyclodmerization
06/24/1987EP0226258A2 Synthetic, crystalline, porous material containing silicon oxide, titanium oxide and iron oxide
06/24/1987EP0226257A2 Synthetic, crystalline, porous material containing silicon oxide, titanium oxide and aluminium oxide
06/24/1987EP0226219A2 Crystalline gallophosphate compositions
06/24/1987EP0226195A2 Process for preparation of synthetic faujasite molded body
06/16/1987EP0225686A1 Process for hydrotreating residual petroleum oil
06/16/1987EP0225594A2 Process for preparation of hydrogen-ion-exchanged dealuminated mordenite
06/10/1987EP0224978A2 Silicone polymer-coated powder or particulate material
06/10/1987EP0224531A1 Zeolites of the borosilicate type, containing fluorine.
06/09/1987US4671887 Aqueous stable suspensions of water insoluble silicates capable of binding calcium ions and their use for the production of washing and cleaning agents
06/09/1987CA1222738A1 Process for preparing molecular sieves using imidazole template
06/03/1987EP0223888A1 Crystalline molecular sieves and their synthesis
06/02/1987US4670412 Reacting with molten salts
05/1987
05/27/1987EP0223396A1 Hydroxyl-rich zeolites and their preparation
05/26/1987US4668837 Phosphorus modified magnesium silicate
05/26/1987US4668649 Modified zeolite
05/26/1987US4668648 Magnesium-silicate bound zeolite granulates of the type of zeolite A, process for their production and use
05/26/1987US4667417 Replacing water with solvent, then replacing solvent with carbon dioxide and drying
05/19/1987US4666877 Multimetallic pillared interlayered clay products and processes of making them
05/19/1987US4666693 Process for the preparation of high-level ion-exchanged zeolites
05/19/1987US4666692 Reaction of silica, tetra-alkyl orthotitanate and tetrapropyl ammonium hydroxide
05/13/1987EP0138680B1 Process for producing zeolite zsm-5