| Patent Number |
Title Of Patent |
Date Issued |
| 7384887 |
Attrition resistant molecular sieve catalysts |
June 10, 2008 |
| This invention is directed to a hardened molecular sieve catalyst composition, a method of making the composition and a method of using the composition. The catalyst composition is made by mixing together molecular sieve, liquid, and an effective hardening amount of a dried molecular |
| 7381853 |
Production of higher olefins |
June 3, 2008 |
| A method of making a higher olefin product from a C.sub.4.sup.+ fraction separated from the hydrocarbon product produced by an oxygenate to olefin reaction unit. The C.sub.4.sup.+ fraction primarily contains butenes which may be directed to a higher olefin reaction unit without removing |
| 7345213 |
Protecting catalytic activity of a SAPO molecular sieve |
March 18, 2008 |
| This invention is directed to a method of making an olefin product from an oxygenate feedstock and a method of protecting catalytic activity of a silicoaluminophosphate molecular sieve. The methods comprise providing a silicoaluminophosphate molecular sieve having catalytic sites within |
| 7301065 |
Molecular-sieve catalyst composition, its making and use in conversion processes |
November 27, 2007 |
| The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to making a formulated molecular sieve catalyst |
| 7288689 |
Methanol and fuel alcohol production for an oxygenate to olefin reaction system |
October 30, 2007 |
| The present invention provides various processes for producing C1 to C4 alcohols, optionally in a mixed alcohol stream, and optionally converting the alcohols to light olefins. In one embodiment, the invention includes directing a first portion of a syngas stream to a methanol synthesis |
| 7271123 |
Molecular sieve catalyst composition, its making and use in conversion process |
September 18, 2007 |
| The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a molecular sieve catalyst composition of a |
| 7253331 |
Molecular sieve catalyst composition, its making and use in conversion processes |
August 7, 2007 |
| The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a conversion process for producing olefi |
| 7238844 |
Olefin oligomerization |
July 3, 2007 |
| This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C.sub.2 to C.sub.12 olefin to obtain an olefin feed stream and has less than 1,000 ppm by weight oxygenated hydrocarbon. The olefin is oligomerized by contacting with an |
| 7230151 |
Two catalyst process for making olefin |
June 12, 2007 |
| This invention is to a process of making olefin, particularly ethylene and propylene, from an oxygenate feed. The invention uses two or more zeolite catalysts. Examples of zeolite catalysts include a first catalyst containing of ZSM-5, and a second catalyst containing a 10-ring molecular |
| 7223896 |
Fines co-feed for maintaining efficient reactor hydrodynamics |
May 29, 2007 |
| This invention provides processes for maintaining a desired particle size distribution in an oxygenate to olefin reaction system. In one embodiment, the invention comprises replacing lost catalyst fines with less active co-catalyst particles. By adding less active co-catalyst particl |
| 7223714 |
Method of transferring catalyst in a reaction system |
May 29, 2007 |
| The invention is directed to methods of transfering catalyst particles into and within reaction systems. The reaction systems are those that use catalysts that comprise molecular sieves, particularly metalloaluminophosphate molecular sieves, especially metalloaluminophosphate molecul |
| 7214844 |
Molecular sieve catalyst compositions, its making and use in conversion processes |
May 8, 2007 |
| The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a making a molecular sieve catalyst comp |
| 7199276 |
Controlling the ratio of ethylene to propylene produced in an oxygenate to olefin conversion pro |
April 3, 2007 |
| The present invention provides various processes for producing methanol and ethanol, preferably in a mixed alcohol stream. In one embodiment, the invention includes directing syngas to a synthesis zone wherein the syngas contacts a methanol synthesis catalyst and an ethanol synthesis |
| 7193122 |
Stabilization of acid catalysts |
March 20, 2007 |
| The invention is directed to a method of stabilizing metalloaluminophosphate molecular sieves and catalysts derived therefrom. In particular, the invention is directed to a method of treating such molecular sieves with chemisorbed ammonia, which may be easily desorbed before or durin |
| 7160831 |
Molecular sieve catalyst composition, its making and use in conversion processes |
January 9, 2007 |
| The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to making a formulated molecular sieve catalyst |
| 7071136 |
Attrition resistant molecular sieve catalysts |
July 4, 2006 |
| This invention is directed to a hardened molecular sieve catalyst composition, a method of making the composition and a method of using the composition. The catalyst composition is made by mixing together molecular sieve, liquid, and an effective hardening amount of a dried molecular |
| 6979756 |
Heat treating a molecular sieve and catalyst |
December 27, 2005 |
| Disclosed is a method of heat treating a molecular sieve. The method comprises providing a template-containing molecular sieve, heating the molecular sieve under conditions effective to remove a portion of the template from the molecular sieve, and cooling the heated molecular sieve |
| 6897180 |
Stabilization of acid catalysts |
May 24, 2005 |
| The invention is directed to a method of stabilizing metalloaluminophosphate molecular sieves and catalysts derived therefrom. In particular, the invention is directed to a method of treating such molecular sieves with chemisorbed ammonia, which may be easily desorbed before or durin |
| 6884914 |
Olefin oligomerization |
April 26, 2005 |
| This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C.sub.2 to C.sub.12 olefin to obtain an olefin feed stream and has less than 1,000 ppm by weight oxygenated hydrocarbon. The olefin is oligomerized by contacting with an |
| 6875899 |
Production of higher olefins |
April 5, 2005 |
| A method of making a higher olefin product from a C.sub.4.sup.+ fraction separated from the hydrocarbon product produced by an oxygenate to olefin reaction unit. The C.sub.4.sup.+ fraction primarily contains butenes which may be directed to a higher olefin reaction unit without removing |
| 6872680 |
Molecular sieve catalyst composition, its making and use in conversion processes |
March 29, 2005 |
| The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a making a molecular sieve catalyst composit |
| 6797852 |
Protecting catalytic activity of a SAPO molecular sieve |
September 28, 2004 |
| This invention is directed to a method of making an olefin product from an oxygenate feedstock and a method of protecting catalytic activity of a silicoaluminophosphate molecular sieve. The methods comprise providing a silicoaluminophosphate molecular sieve having catalytic sites within |
| 6797851 |
Two catalyst process for making olefin |
September 28, 2004 |
| This invention is to a process of making olefin, particularly ethylene and propylene, from an oxygenate feed. The invention uses two or more zeolite catalysts. Examples of zeolite catalysts include a first catalyst containing of ZSM-5, and a second catalyst containing a 10-ring molecular |
| 6787501 |
Molecular sieve catalyst composition, its making and use in conversion processes |
September 7, 2004 |
| The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to making a formulated molecular sieve catalyst |
| 6613950 |
Stripping hydrocarbon in an oxygenate conversion process |
September 2, 2003 |
| A process for method for the production of olefin product from an oxygenate-containing feedstock includes exposing a silicoaluminophosphate catalyst to an oxygenate-containing feedstock in a reaction zone under conditions effective to convert the oxygenate-containing feedstock to an |
| 6605749 |
Synthesis of molecular sieve catalysts |
August 12, 2003 |
| Disclosed is a molecular sieve catalyst which contains molecular sieve-containing attrition particles and virgin molecular sieve, the attrition particles having been recycled from a catalyst manufacture process or from a reaction system. The catalyst can be used in a variety of catal |
| 6541415 |
Synthesis of molecular sieve catalysts |
April 1, 2003 |
| Disclosed is a molecular sieve catalyst which contains molecular sieve-containing attrition particles and virgin molecular sieve, the attrition particles having been recycled from a catalyst manufacture process or from a reaction system. The catalyst can be used in a variety of catal |
| 6521562 |
Preparation of molecular sieve catalysts micro-filtration |
February 18, 2003 |
| A method of making a molecular sieve catalyst by preparing a catalyst slurry containing molecular sieve, binder and a matrix material and directing the slurry to a forming unit. The catalyst slurry is prepared by using a microfiltration process whereby the molecular sieve is washed and |
| 6509290 |
Catalyst composition including attrition particles and method for making same |
January 21, 2003 |
| Disclosed is a molecular sieve catalyst which contains molecular sieve-containing attrition particles and virgin molecular sieve, the attrition particles having been recycled from a catalyst manufacture process or from a reaction system. The catalyst can be used in a variety of catal |
| 6503863 |
Heat treating a molecular sieve and catalyst |
January 7, 2003 |
| Disclosed is a method of heat treating a molecular sieve. The method comprises providing a template-containing molecular sieve, heating the molecular sieve under conditions effective to remove a portion of the template from the molecular sieve, and cooling the heated molecular sieve |
| 6482999 |
Method for improving light olefin selectivity in an oxygenate conversion reaction |
November 19, 2002 |
| A method for converting oxygenates to light olefins. The method comprises contacting, in a reactor, a feedstock comprising oxygenates with a molecular sieve catalyst under conditions effective to convert the feedstock to a product including light olefins and by-products, the contacti |
| 6455748 |
Protecting catalytic activity of a SAPO molecular sieve |
September 24, 2002 |
| This invention is directed to a method of making an olefin product from an oxygenate feedstock and a method of protecting catalytic activity of a silicoaluminophosphate molecular sieve. The methods comprise providing a silicoaluminophosphate molecular sieve having catalytic sites within |
| 6429348 |
Method for selectively producing propylene by catalytically cracking an olefinic hydrocarbon fee |
August 6, 2002 |
| The invention provides a method for converting an olefinic hydrocarbon feedstock to propylene comprising: contacting a hydrocarbon feedstock under catalytic cracking conditions with a catalyst comprising a catalyst selected from the group consisting of SAPO catalysts, MeAPO catalysts, |
| 6395674 |
Heat treating a molecular sieve and catalyst |
May 28, 2002 |
| Disclosed is a method of heat treating a molecular sieve. The method comprises providing a template-containing molecular sieve, heating the molecular sieve under conditions effective to remove a portion of the template from the molecular sieve, and cooling the heated molecular sieve |
| 6316683 |
Protecting catalytic activity of a SAPO molecular sieve |
November 13, 2001 |
| This invention is directed to a method of making an olefin product from an oxygenate feedstock and a method of protecting catalytic activity of a silicoaluminophosphate molecular sieve. The methods comprise providing a silicoaluminophosphate molecular sieve having catalytic sites within |
| 6080303 |
Zeolite catalyst activity enhancement by aluminum phosphate and phosphorus |
June 27, 2000 |
| The present invention provides a process for improving the catalytic activity of small and medium pore acidic zeolite catalyst which comprises the steps of treating a zeolite with a phosphorus compound to form a phosphorus treated zeolite and combining the phosphorus treated zeolite |
| 5406002 |
Zeolite catalyst and catalysed reactions |
April 11, 1995 |
| An organophosphine-treated titanium-containing zeolite is a catalyst for hydrocarbon oxidation. |
