Abstract: 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.

Abstract: Catalytic dewaxing of wax containing hydrocarbon feedstocks is undertaken in the presence of a catalyst composition comprising a dehydrogenation metal in combination with a non-acidic microporous crystalline material to maximize liquid yield.

Abstract: An indium containing crystalline microporous material also containing a dehydrogenation component exhibits high selectivity for the aromatization of a normal paraffin to styrene, under dehydrocyclization conditions.Group VIII metal-containing non-acidic crystalline microporous indium containing materials are highly selective catalysts for styrene production from n-octane.

Abstract: This invention relates to a new form of crystalline silicoaluminophosphate identified as SAPO-17, to a new and useful improvement in synthesizing said crystalline material and to use of said crystalline material prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.

Abstract: A process is provided for converting feedstock comprising hydrocarbon compounds to product comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds over a catalyst comprising porous crystalline material having the structure of ZSM-58. In particular embodiments, the conversion is selective cracking for waxes and the process is useful for reducing the pour point of fuel oils and lubricants.

Abstract: A process is provided for converting feedstock aromatic compounds by alkylation, transalkylation, disproportionation and/or isomerization over a catalyst comprising zeolite ZSM-58.

Abstract: A process is provided for converting feedstock comprising oxygenates to product comprising hydrocarbons over a catalyst comprising zeolite ZSM-58.

Abstract: 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.

Abstract: A process is provided for converting feedstock comprising aromatic hydrocarbon compounds to product comprising aromatic hydrocarbon compounds which differs from the feedstock over a catalyst composition comprising a crystalline layered silicate material.

Abstract: A process is provided for converting feedstock comprising C.sub.2.sup.+ olefins, C.sub.2 -C.sub.7 paraffins or mixtures thereof to product comprising C.sub.5.sup.+ hydrocarbons over a catalyst comprising zeolite ZSM-58.

Abstract: A process is provided for converting light olefin to gasoline, distillate and lube range hydrocarbons which comprises contacting a lower olefin feedstock with acidic zeolite ZSM-48 at elevated pressure and temperature to provide product containing gasoline and distillate range hydrocarbons and a 650.degree. F.+ lube fraction.

Abstract: A process is provided for converting feedstock comprising hydrocarbon compounds to product comprising hydrocarbon compounds of lower molecular weight than feedstock hydrocarbon compounds over a catalyst composition comprising a crystalline layered silicate material.

Abstract: The crystalline silicophosphoaluminate designated MCM-10 catalyzes various processes for modifying organic compounds, particularly the cracking of hydrocarbons and the conversion of alcohols and ethers to olefins.

Abstract: This invention relates to a new and improved form of crystalline silicate having the structure of zeolite Beta, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.

Abstract: This invention relates to a new form of crystalline silicate identified as zeolite ZSM-5, to a new and useful improvement in synthesizing said crystalline silicate and to use of said crystalline silicate prepared in accordance herewith as a catalyst for organic compound, e.g. hydrocarbon compound, conversion.

Abstract: A method is provided for synthesizing a crystalline layered silicate from a specified reaction mixture having a particular composition including a specified organic directing agent, said layered silicate having a structure related to Silica-X.

Abstract: A new crystalline silicophosphoaluminate molecular sieve designated MCM-10 and having a particular crystal structure is provided. This crystalline material has ion-exchange properties and is readily convertible to catalytically active material.

Abstract: 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 (Al.sub.2 O.sub.3), an oxide of silicon (SiO.sub.2), water and a nitrogen-containing organic cation R.sup.+, and having the following composition, in terms of mole ratios:______________________________________ Broad Preferred ______________________________________ SiO.sub.2 /Al.sub.2 O.sub.3 5,000 to .infin. 10,000 to .infin. H.sub.2 O/SiO.sub.2 5 to 200 20 to 100 OH.sup.- /SiO.sub.2 0 to 0.60 0.10 to 0.40 M.sup.+ /SiO.sub.2 0.01 to 2.0 0.10 to 1.0 R.sup.+ /SiO.sub.2 0.01 to 2.0 0.05 to 1.0 ______________________________________wherein M.sup.+ is a cation of an alkali or alkaline earth metal and R.sup.+ is an organic cation of the formula (CH.sub.3).sub.3 N.sup.+ --R.sub.1 --N.sup.+ (CH.sub.3).sub.3 wherein R.sub.

Abstract: A process for preparing ZSM-14 zeolite, and a product thereof, is disclosed. The process uses an organic directing agent of the formulaR"--O--R'--O.sup.- --A.sup.m+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 aliphatic, aromatic or alkyl aromatic group.

Abstract: There is provided a method and a reaction mixture for preparing crystalline silicate having the structure of ZSM-5 with an alkyltropinium directing agent, alkyl being of 2 to 5 carbon atoms.