| Patent Number |
Title Of Patent |
Date Issued |
| 7385100 |
Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins |
June 10, 2008 |
| This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream and a liquid stre |
| 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 |
| 7214843 |
Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins |
May 8, 2007 |
| This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream and a liquid stre |
| 7074979 |
Processing a contaminated oxygenate-containing feed stream in an oxygenate to olefin reaction sy |
July 11, 2006 |
| A feed vaporization process and apparatus for oxygenate to olefin conversion is provided, which uses a vapor-liquid disengaging drum to separate non-volatiles and/or low-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is reduced in non-volatiles a |
| 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 |
| 6899046 |
Shipping methanol for a methanol to olefin unit in non-methanol carriers |
May 31, 2005 |
| The invention relates to a process for modifying tanker ships. More specifically, the invention is directed to a process for modifying a non-methanol-carrying tanker to carry a methanol cargo destined for a methanol to olefin reaction system. The process includes providing a tanker h |
| 6838586 |
Process for the synthesis of silicoaluminophosphate molecular sieves |
January 4, 2005 |
| The invention is directed to a method for making a silicoaluminophosphate (SAPO) molecular sieve from a reaction mixture comprising components present in amounts sufficient to form the SAPO, the reaction mixture having a first pH. The method comprises the steps of: adding an acid to |
| 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 |
| 6670518 |
Olefin recovery in a polyolefin production process |
December 30, 2003 |
| Disclosed is a method of recovering olefin from purge streams in a polyolefin production process. The method includes reacting a purge stream containing olefin and impurities with water in the presence of a hydrating catalyst to produce an alcohol containing stream. The impurities can |
| 6642279 |
Carbon dioxide recovery in an ethylene to ethylene oxide production process |
November 4, 2003 |
| Disclosed is a method for recovering carbon dioxide from an ethylene oxide production process and using the recovered carbon dioxide as a carbon source for methanol synthesis. More specifically, carbon dioxide recovered from an ethylene oxide production process is used to produce a synga |
| 6593506 |
Olefin recovery in a polyolefin production process |
July 15, 2003 |
| Disclosed is a method of recovering olefin from purge streams in a polyolefin production process. The method includes reacting a purge stream containing olefin and impurities with water in the presence of a hydrating catalyst to produce an alcohol containing stream. The impurities can |
| 6580010 |
Olefin recovery in an olefin production process |
June 17, 2003 |
| Disclosed is a method for recovering olefin in an oxygenate to olefin production process. The method includes reacting a stream containing olefin with water in the presence of a hydrating catalyst to produce an alcohol containing stream. The alcohol containing stream can be used as an |
| 6514899 |
Process for the synthesis of silicoaluminophosphate molecular sieves |
February 4, 2003 |
| The invention is directed to a method for making a silicoaluminophosphate (SAPO) molecular sieve from a reaction mixture comprising components present in amounts sufficient to form the SAPO, the reaction mixture having a first pH. The method comprises the steps of: adding an acid to |
| 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 |
| 6495609 |
Carbon dioxide recovery in an ethylene to ethylene oxide production process |
December 17, 2002 |
| Disclosed is a method for recovering carbon dioxide from an ethylene oxide production process and using the recovered carbon dioxide as a carbon source for methanol synthesis. More specifically, carbon dioxide recovered from an ethylene oxide production process is used to produce a synga |
| 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 |
| 6436869 |
Iron, cobalt and/or nickel containing ALPO bound SAPO molecular sieve catalyst for producing ole |
August 20, 2002 |
| An aluminophosphate bound silicoaluminophosphate catalyst contains iron, cobalt and/or nickel is useful in a method of making a product including an olefin from a feedstock containing an oxygenate. The method includes contacting an oxygenate feedstock with the catalyst, which is an a |
| 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 |
| 6313366 |
Process for selectively producing C3 olefins in a fluid catalytic cracking process |
November 6, 2001 |
| A process for producing propylene from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is contacted with a catalyst containing from about 10 to 50 wt. % of a crystalline zeolite having an average pore diameter less than about 0.7 na |
