U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that the first rickshaw was invented in 1869 by an American Baptist minister, the Rev. E. Jonathan Scobie, to transport his invalid wife around the streets of Yokohama?

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 423/706 - Cyclic


Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Processes wherein the amine is a ringed compound.
No. of patents: 266
Last issue date: 12/13/2011


1              
NumberTitleIssue Date
8075871Method for making molecular sieve SSZ-83
The present invention is directed to a method for making a new crystalline molecular sieve designated SSZ-83 using a 1,4-bis(N-butylpiperidinium)butane dication or a 1,4-bis(N-butylpyrrolidinium)butane dication as a structure directing agent. ...
12/13/2011
8038982EUO-structural-type zeolite containing the alkyl quinuclidinium structuring agent, process for preparation and use as catalyst
An EUO-structural-type zeolite that comprises at least one element X that is selected from among silicon and germanium and at least one element T that is selected from among aluminum, iron, gallium, vanadium, zirconium, molybdenum, arsenic, antimony, chromium and ma...
10/18/2011
8025863Synthesis and use of MSE-framework type molecular sieves
A method of synthesizing a crystalline molecular sieve having an MSE framework type comprises crystallizing a reaction mixture comprising a source of water, a source of an oxide of a tetravalent element, Y, selected from at least one of silicon, tin, titanium, vanad...
09/27/2011
7906100Method for making molecular sieve SSZ-79
The present invention is directed to a method for making new crystalline molecular sieve designated SSZ-79 using 1,8-dimethyl-1,4,8,11-tetraazacyclotetradecane or 1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane as a structure directing agent. ...
03/15/2011
7867473Process for preparation of a MEL-structural-type zeolite
A process for preparation of a MEL-structural-type zeolite that comprises at least the following stages: i) the mixture, in aqueous medium, of at least one source of at least one tetravalent element and at least one nitrogen-contai...
01/11/2011
7837978Process for preparing aluminum-containing molecular sieve SSZ-26
A process for directly preparing aluminum-containing molecular sieve SSZ-26 using a structure directing agent comprising a cis-N,N-diethyldecahydroquinolinium cation or mixture of a cis-N,N-diethyldecahydroquinolinium cation and a trans-N,N-diethyldecahydroquinolini...
11/23/2010
7837979Synthesis of ITQ-12
A process for synthesizing the porous crystalline material ITQ-12 is disclosed and employs an organic directing agent having the formula: where n is an integer from 1 to 3 and Q− is an anion. The resultant ITQ-...
11/23/2010
7824658Method of making ultrasmall crystal MTT molecular sieves
A method for preparing a crystalline molecular sieve having MTT framework topology and crystallite sizes of about 150 to about 600 Angstroms, comprising: a. preparing a reaction mixture comprising, in terms of mole ratios, the foll...
11/02/2010
7799316Process for manufacturing MCM-22 family molecular sieves
A method of manufacturing a molecular sieve of the MCM-22 family, said method comprising the steps of (a) providing a mixture comprising at least one source of ions of tetravalent element, at least one source of alkali metal hydroxide, at least one directing-agent (...
09/21/2010
7754187Synthesis of chabazite-containing molecular sieves and their use in the conversion of oxygenates to olefins
A method is disclosed of synthesizing a crystalline material comprising a CHA framework type molecular sieve and having a composition involving the molar relationship: (n)X2O3:YO2, wherein X is a trivalent ...
07/13/2010
7670589Synthesis of chabazite-containing molecular sieves and their use in the conversion of oxygenates to olefins
The synthesis of a crystalline material, in particular, a high silica zeolite, comprising a chabazite-type framework molecular sieve is conducted in the presence of an organic directing agent having the formula: [R1R2R3N—...
03/02/2010
7651677Method of preparing SSZ-74
The present invention is directed to a method of preparing a synthetic crystalline material having an SSZ-74 crystal structure in the absence of a source of fluoride ions. ...
01/26/2010
7597874Preparation of zeolites using novel structure directing agents
The present invention is directed to a process for producing crystalline zeolites from a reaction mixture containing an N,N,N-trialkyl benzyl quaternary ammonium cation as a structure directing agent. ...
10/06/2009
7507393Boron-containing molecular sieve CHA
A boron-containing molecular sieve having the CHA crystal structure and comprising (1) silicon oxide and (2) boron oxide or a combination of boron oxide and aluminum oxide, iron oxide, titanium oxide, gallium oxide and mixtures thereof; and wherein the mole ratio of...
03/24/2009
7422732Synthesis of amines using molecular sieve SSZ-74
The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication as a structure-directing agent, and its use in catalysts for synthesizing amines. ...
09/09/2008
7402297High-silica molecular sieve CHA
A method is disclosed for synthesizing high-silica molecular sieves having the CHA crystal structure using a structure directing agent comprising a cation derived from 1-adamantamine, 3-quinuclidinol or 2-exo-aminonorbornane. The synthesis is conducted in the absenc...
07/22/2008
7371316Production of lower molecular weight hydrocarbons
A catalytic composition useful for cracking and reducing the viscosity of heavy hydrocarbons. The catalytic composition comprises Portland cement, a volcanic ash component, titanium dioxide, and a transition metal salt. Optionally, a hydrogen source is added to the ...
05/13/2008
7361327Microporous crystals and synthesis schemes
Novel zeolites are produced by combining a polar solute, a silicon or phosphorous source, and a structure directing agent. Surfactants and a hydrophobic solvent are added to the previously mixed three species and shaken to disperse the surfactants. The reverse micro...
04/22/2008
7344697Microporous crystalline zeolite material, zeolite ITQ-28, production method thereof and use of same
The invention relates to a microporous crystalline zeolite material, zeolite ITQ-28, the production method thereof and the use of same. More specifically, the invention relates to a microporous crystalline zeolite material, ITQ-28, which, in the calcined state and i...
03/18/2008
7341707Method for in-situ synthesis of crystalline microporous metalloaluminophosphate in a formed body
The invention concerns a method for production of microporous crystalline metalloaluminium phosphates (ELAPO) based adsorbents or catalysts by in-situ crystallisation of ELAPO inside a formed body. First the formed body containing aluminium phosphate (AIPO) and bind...
03/11/2008
7341706Method of synthesising crystalline microporous metalloaluminophosphate for a solid body
The invention concerns a simple and cheap method for production of microporous crystalline metalloaluminiumphosphates (ELAPO) for use as adsorbent or catalyst by wholly or partially filling the pores of particles containing aluminum phosphate (AIPO) with an aqueous ...
03/11/2008
7335802Methods of preparing branched aliphatic alcohols
Systems and methods to produced branched aliphatic alcohols are described. Systems may include a dehydrogenation-isomerization unit, an olefin dimerization unit, an olefin isomerization unit, a hydroformylation unit, a dehydrogenation unit, a hydrogenation unit and/...
02/26/2008
7326401MWW type zeolite substance, precursor substance therefor, and process for producing these substances
A process for easily synthesizing a zeolite substance containing an element having a large ionic radius in the framework at a high ratio. This process comprises the following first to fourth steps: First Step: a step...
02/05/2008
7323154Titanosilicate, process for its production, and its use in producing oxidized compound
A titanosilicate represented by the following compositional formula (1), wherein in the infrared absorption spectrum measured in the dehydrated state, the absorption spectrum has an absorption band having a relative maximum value at 930±15 cm−1:
01/29/2008
7316807Crystalline composition, preparation and use
A porous crystalline composition having a molar composition as follows: YO2:m X2O3:n ZO, wherein Y is a tetravalent element selected from the group consisting of silicon, germanium, tin, titanium and combinations thereof, X is a triv...
01/08/2008
7304011Compositions and processes for reducing NOemissions during fluid catalytic cracking
Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli...
12/04/2007
7282082Gas separation using high-silica molecular sieve CHA
Gasses are separated using a molecular sieve having the CHA crystal structure and having a mole ratio of greater than 50 to 1500 of (1) an oxide selected from silicon oxide, germanium oxide or mixtures thereof to (2) an oxide selected from aluminum oxide, iron oxide...
10/16/2007
7249469Method for separating a multicomponent stream
This invention relates to a method for separating a stream having benzene, toluene and alkyl benzene, said method comprising: feeding the stream into a first distillation column, wherein the stream comprises between about 60 mole percent to about 85 mole percent tol...
07/31/2007
7247287Synthesis of aluminophosphates and silicoaluminophosphates
The invention is directed to a method of synthesising silicoaluminophosphate and aluminophosphate molecular sieves using synthesis templates that contain at least one template of general formula R1R2N—R3, wherein R1 and ...
07/24/2007
7241375Heavy hydrocarbon composition with utility as a heavy lubricant base stock
A heavy hydrocarbon composition with utility as a heavy hydrocarbon base stock comprising at least 95 wt % paraffin molecules, of which at least 90 wt % are isoparaffin, containing hydrocarbon molecules having consecutive numbers of carbon atoms, is a liquid at 100Â...
07/10/2007
7238337Method of making all-silica zeolite with IFR structure
An all-silica zeolite having the IFR framework topology can be directly synthesized by preparing a reaction mixture comprising (1) an active source of silicon oxide, (2) a structure directing agent comprising a N-benzyl-1,4-diazabicyclo[2.2.2] octane cation, (3) an ...
07/03/2007
7226576Molecular sieve SSZ-56 composition of matter and synthesis thereof
The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a trans-fused ring N,N-diethyl-2-methyldecahydroquinolinium cation as a structure-directing agent, methods for synthesizing SSZ-56 and processes employing SSZ-56 in a catalyst.
06/05/2007
7226569Reduction of oxides of nitrogen in a gas stream using molecular sieve SSZ-56
The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a N,N-diethyl-2-methyldecahydroquinolinium cation as a structure-directing agent, methods for synthesizing SSZ-56 and processes employing SSZ-56 in a catalyst. ...
06/05/2007
7226575Boron-containing molecular sieve CHA
A boron-containing molecular sieve having the CHA crystal structure and comprising (1) silicon oxide and (2) boron oxide or a combination of boron oxide and aluminum oxide, iron oxide, titanium oxide, gallium oxide and mixtures thereof is prepared using a quaternary...
06/05/2007
7208137Aluminum-containing zeolite with IFR structure
Zeolites having the IFR structure and containing aluminum in their crystal structure can be made by preparing a reaction mixture comprising a zeolite which is an active source of aluminum oxide, an active source of alkali metal oxide, an active source of an oxide of...
04/24/2007
7202189Shaped catalysts for transalkylation of aromatics for enhanced xylenes production
A catalyst, a process for using the catalyst whereby the catalyst effectively transalkylates C7, C9, and C10 aromatics to C8 aromatics are disclosed. The catalyst comprises a support such as mordenite plus a metal componen...
04/10/2007
7201838Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product
Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by c...
04/10/2007
7153811Multi-component catalyst system for the polycondensation manufacture of polyesters
This invention relates to new multi-component catalyst systems for the polycondensation of polyesters. More particularly, this invention pertains to novel multi-component, germanium based catalyst systems for the polycondensation of PET (polyethylene terephthalate) ...
12/26/2006
7153483Crystalline molecular sieve SSZ-51 composition of matter and synthesis thereof
A novel crystalline aluminophosphate and metalloaluminophosphate of the molecular sieve type, denominated SSZ-51, is prepared by hydrothermal synthesis from reactive sources of aluminum and phosphorus, fluorine and an organic templating agent, 4-dimethylaminopyridin...
12/26/2006
7151073Mesoporous catalyst support, a catalyst system, and method of making and using same for olefin polymerization
This invention relates to a catalyst system comprising a catalyst and a support comprising a non-layered inorganic porous crystalline phase material, wherein the support comprises a hexagonal arrangement of uniformly-sized pores having an average pore diameter great...
12/19/2006
1              
 
Sign InRegister
Username  
Password   
forgot password?