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Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 585/411 - Using metal-containing catalyst


Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter catalyzed by a material containing metal
No. of patents: 80
Last issue date: 10/07/2008


1    
NumberTitleIssue Date
7431828Process for desulphurization of a hydrocarbon stream with a reduced consumption of hydrogen
A two-stage hydrotreating process is disclosed wherein a hydrocarbon stream is first desulphurized followed by a dehydrogenation step, which process comprises in combination contacting the feed and hydrogen over a hydrotreating catalyst at hydrotreating conditions, ...
10/07/2008
7247742Recycling polyethylene naphthalate containing materials in a process to produce diesters
A process for preparing a dialkylester of a naphthalenedicarboxylic acid comprising directing a liquid phase reaction mixture comprising a low molecular weight alcohol, a naphthalenedicarboxylic acid, a dialkylester of a naphthalenedicarboxylic acid, and a polyethyl...
07/24/2007
7195746Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins
A method for making an organometallic treated molecular sieve is described in which a molecular sieve having at least one hydroxyl group and at least [AlO2] and [PO2] tetrahedral units and having an average pore dimension less than or equal to ...
03/27/2007
7119242Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins
A method for the post synthesis modification of molecular sieves with organometallic reagents. The method may be used for large pore molecular sieves and small pore molecular sieves, such as SAPO-34. SAPO-34 is a useful catalyst for the conversion of oxygenates, suc...
10/10/2006
6936566Modified metalloaluminophosphate molecular sieves
The invention is directed to a method for modifying a microporous metalloaluminophosphate molecular sieve, the method comprising the steps of a) introducing a compound containing at least one M-X group within the cages of said microporous molecular sieve; and b) rea...
08/30/2005
6906233Modified metalloaluminophosphate molecular sieves
The invention is directed to a method for modifying a microporous metalloaluminophosphate molecular sieve, the method comprising the steps of a) introducing a compound containing at least one M-X group within the cages of said microporous molecular sieve; and b) rea...
06/14/2005
6844478Substituted polycyclic cyclopentadienes and method for their preparation
New polycyclic cyclopentadiene compounds having the formula (II) wherein the various substituents and symbols R1, R2, R3, R4, R5, R6, R7, Z1 and Z2 and ā€œnā€ have th...
01/18/2005
6784331Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide
Porous microcomposites have been prepared from perfluorinated ion-exchange polymer and metal oxides such as silica using the sol-gel process. Such microcomposites possess high surface area and exhibit extremely high catalytic activity. ...
08/31/2004
6504069Process for producing dimethyltetralin
5-Tolyl-pent-2-ene is cyclized in liquid phase in the present of an aliphatic hydrocarbon to produce the corresponding dimethyltetralin. The use of the aliphatic hydrocarbon effectively prevents a side reaction such as dimerization of 5-tolyl-pent-2-ene t...
01/07/2003
6472576Process for preparing 2,6-dimethylnaphthalene
A process for producing 2,6-dimethylnapthalene from 1-(p-tolyl)-2-methylbutane, 1-(p-tolyl)-2-methylbutene or a mixture thereof by dehydrocyclization in the presence of a catalyst, comprising using non-acidic activated carbon as a catalyst....
10/29/2002
6172273Method for converting hydrocarbons to aromatics using a hybrid catalyst system
A composition is prepared by a method which comprises mixing a first solid material comprising a platinum group metal, a rhenium component, a porous carrier material and, optionally, a halogen component and a second solid material comprising silica and bi...
01/09/2001
6126812Gasoline upgrade with split feed
A method for optimizing the yield of aromatics and light olefins in a process for the conversion of cracked gasoline to aromatics and light olefins by separating the cracked gasoline into a light fraction and a heavy fraction and contacting the light frac...
10/03/2000
6127589Process of producing 2,6-dimethylnaphthalene by dehydrocyclizing 1-(p-tolyl)-2-methylbutane and/or 1-(p-toly)-2-methylbutene using a reduced vanadium catalyst
The invention concerns a preparation process for 2,6-dimethylnaphthalene in which 1-(p-tolyl)-2-methylbutane and/or 1-(p-tolyl)-2-methylbutene are dehydrocyclisized using a reduced vanadium catalyst. 2,6-dimethylnaphthalene can be used as starting materia...
10/03/2000
6107534Method of making an improved catalyst containing an acid-treated zeolite, a boron component, and a zinc component, a product from such method, and the use thereof in the conversion of hydrocarbons
An improved zeolite catalyst containing an acid-treated zeolite, a boron component and a zinc component manufactured by a novel method having certain process steps necessary for providing the improved zeolite catalyst. The process steps include a first st...
08/22/2000
6083379Process for desulfurizing and aromatizing hydrocarbons
A process for desulfurizing and enhancing the octane of cracked gasoline by first aromatizing the cracked gasoline and, second, hydrodesulfurizing the resulting intermediate product stream....
07/04/2000
6084132Fluorescent dyes
Fluorescent dyes which fluoresce in a variety of colors are produced from substituted and un-substituted 6-ring and 8-ring aromatic diketones by reductive alkylation with alkyl halides in the presence of zinc....
07/04/2000
6028027Method of producing selective-dehydrogenation catalysts, and catalysts produced in this way
Catalysts comprising iron and potassium and, if desired, further elements, which catalysts are suitable for dehydrogenating hydrocarbons to give the corresponding olefinically unsaturated hydrocarbons, are prepared by calcining a finely divided dry or aqu...
02/22/2000
5952534Manufacturing of 2,6-dimethylnaphthalene
The invention is related to a process for making 2,6-dimethylnaphthalene from p-xylene and 1- or 2-butene or butadiene via 1-(p-tolyl)-2-methylbutane or 1-(p-tolyl)-2-methylbutane. 2,6-dimethylnaphthalene can be used for making polyethylenenaphthalate....
09/14/1999
5873994Process for aromatization of a cracked gasoline feedstock using a catalyst containing an acid leached zeolite and tin
An aromatization process for converting a portion of a cracked gasoline feedstock to aromatics utilizing a catalyst comprising an acid leached zeolite and tin under process conditions suitable for converting a portion of the cracked gasoline feedstock to ...
02/23/1999
5789593Process for preparing indenes
The present invention relates to a process for preparing an indene, which involves reacting an indanone with hydrogen in the presence of a catalyst comprising one or more oxides, preferably metal oxides. Preferred oxides comprise elements from groups Ia, ...
08/04/1998
5712313Process for carrying out chemical equilibrium reactions
A process for carrying out a chemical equilibrium reaction is disclosed in which, in a first stage, one or more reactants are contacted with a fixed arrangement of a catalyst under conditions such that the reactants and the products of the reaction are ga...
01/27/1998
5625102Method of alkylating the side chain of alkyl-substituted aromatic hydrocarbons
A method of alkylating the side chain of alkyl-substituted aromatic hydrocarbons. The method comprises the steps of thermally treating an alumina by calcining in air and then degassing under vacuum to prepare an alumina carrier, loading an alkali metal on...
04/29/1997
5476977Naphthalenic compound and process for its preparation
1,1,2,3,4,4,6-Heptamethyl-1,2,3,4-tetrahydronaphthalene, a novel naphthalenic compound, is useful as an intermediate for the preparation of 5,6,7,8-tetrahydro-3,5,5,6,7,8,8-heptamethyl-2-naphthalenecarbaldehyde. It is prepared by a process consisting of t...
12/19/1995
5446226Process for producing dimethylnaphthalene
A process for efficiently producing dimethylnaphthalene by a single-step reaction which comprises cyclizing dehydrogenating 5-tolyl-penta-2-ene in the presence of a catalyst comprising in combination (a) a solid acid such as crystalline aluminosilicate, s...
08/29/1995
5436380Process for producing aromatic hydrocarbons
A process for producing aromatic hydrocarbons comprises bringing hydrocarbons having 2 to 12 carbon atoms into contact with a modified crystalline galloaluminosilicate catalyst prepared by treating a crystalline galloaluminosilicate having a tool ratio of...
07/25/1995
5401892Preparation of a dimethyltetralin by cyclizing an orthotolylpentene phenylhexene using an ultra-stable crystalline aluminosilicate molecular sieve y-zeolite
A method for preparing one or more specific dimethyltetralins from either 5-(o-, m-, or p-tolyl)-pent-1- or -2-ene or 5-phenyl-hex-1- or -2-ene, and optionally for preparing one or more specific dimethylnaphthalenes from the aforesaid dimethyltetralins is...
03/28/1995
5396008Process for production of dimethyltetralin
There is disclosed a process for producing dimethyltetralin consisting of 1,5-, 1,6- and 2,6-dimethyltetralin which comprises cyclizing 5-tolyl-penta-2-ene in gaseous state in the presence of diluent by the use of a catalyst comprising a crystalline alumi...
03/07/1995
5382733Process for preparing naphthalene or derivative thereof
Disclosed herein is a process for preparing naphthalene or a derivative thereof, which comprises subjecting a benzene derivative having at least one substituted or non-substituted aliphatic hydrocarbon group and being capable of forming a naphthalene ring...
01/17/1995
5365001Method for preparing dialkylnaphthalene
A method for preparing a dialkylnaphthalene in one step by contacting an dialkylbenzene compound with a solid catalyst in a gas or liquid phase in the presence of hydrogen, using a catalyst having composition (I) or (II) below: (1) (M1)a.
11/15/1994
5362715Mixtures of acetylpolyalkylindanes and acetylpolyalkyltetralines
The invention is directed to a mixture of acetylpolyalkylindanes and acetylpolyalkyltetralines obtainable by cycloalkylation of p-cymene and/or p,଱-dimethylstyrene and/or 8-p-cymenyl halides and/or 8-p-cymenyl alcohol with a mixture of alkenes consi...
11/08/1994
5321178Process for producing 2,6-dimethylnaphthalene
A process for efficiently producing 2,6-dimethylnaphthalene which comprises subjecting 2-methyl-1-(p-tolyl)butene and/or 2-methyl-1-(p-tolyl)butane as the starting raw material to a cyclization dehydrogenation reaction in the presence of a catalyst compri...
06/14/1994
5300720Zeolite L use in dehydrocyclisation and isomerisation
Zeolite L containing caesium is prepared by a process in which said zeolite L is crystallised from a synthesis mixture with a molar composition (expressed as oxides) of: ______________________________________ K2 O/SiO2 0.15...
04/05/1994
5284987Preparation of a dimethyltetralin in a distillation reactor
A method for the acid catalyzed cyclization of an alkenylbenzene feedstock to a dimethyltetralin in a liquid phase reaction wherein the desired dimethyltetralin is removed from the reaction mixture by distillation simultaneously with the addition of the f...
02/08/1994
5276227C2 -C5 olefin oligomer compositions as shear stable viscosity index improvers
Liquid hydrocarbon lubricant viscosity index improver compositions are disclosed having high shear stability. The compositions comprise the homopolymer or copolymer product of the oligomerization of C3 to C5 alpha-olefin or mixtures ...
01/04/1994
5276230Process for production of 2,6-dimethylnaphthalene
There is disclosed a process for efficiently producing 2,6-dimethylnaphthalene used for the production of polyethylene naphthalate which comprises subjecting 2-methyl-1-(p-tolyl)butene and/or 2-methyl-1-(p-tolyl)butane as a starting raw material to cycliz...
01/04/1994
5237116Catalyst and process for coupling organometallic reagents with aryl or vinylic halides
A process and catalyst are disclosed for the catalyzed reaction of an organometallic reagent with a reactive halide in the presence of a diphosphine complex of a nickel carboxylate or sulfonate. The process can be employed in the synthesis of aromatic com...
08/17/1993
5157182Dehydrocyclization of polysubstituted cyclic organic compounds over copper aluminum borate
A dehydrocyclization process is described for producing polynuclear organic compounds by contacting a starting organic material having at least one ring moiety comprising at least two adjacent ring carbon atoms each bonded to an independently selected mon...
10/20/1992
5073670Preparation of a dimethyltetralin
A method for preparing one or more specific dimethyltetralins from either 5-(o-, m-, or p-tolyl)-pent-1-or -2-ene or 5-phenyl-hex-1- or -2-ene, and optionally for preparing one or more specific dimethylnaphthalenes from the aforesaid dimethyltetralins is ...
12/17/1991
5068479Preparation of 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetra-hydronaphthalene
A process for preparing 1,1,3,4,4,6-hexamethyl-1,2,3,4-tetrahydronaphthalene of the formula I ##STR1## comprises reacting p-cymene of the formula II ##STR2## with a hexene of the formula IIIa, IIIb and/or IIIc ##STR3## in the presence ...
11/26/1991
5068476Lubricant oligomers of C2 -C5 olefins
Liquid olefin oligomers are produced by the oligomerization of C2 -C5 alpha olefin alone or with ethylene as a co-monomer. The oligomers having high viscosity index and a structure which is characterized by a regio-irregularity of at...
11/26/1991
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