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Class Information
Number: 585/640
Name: Chemistry of hydrocarbon compounds > Unsaturated compound synthesis > From nonhydrocarbon feed > Alcohol, ester, or ether > Using metal oxide catalyst
Description: Subject matter wherein a catalyst containing a metal oxide is employed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6870072 |
Heat recovery in an olefin production process |
Mar. 22, 2005 |
| 6864401 |
Heat-integrated high pressure system for separation of byproducts from an olefin stream |
Mar. 8, 2005 |
| 6852897 |
Process for the preparation of lower olefins |
Feb. 8, 2005 |
| 6852899 |
Process for producing isobutylene and methanol |
Feb. 8, 2005 |
| 6846405 |
Circulating fluid bed reactor system |
Jan. 25, 2005 |
| 6844476 |
Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions |
Jan. 18, 2005 |
| 6838586 |
Process for the synthesis of silicoaluminophosphate molecular sieves |
Jan. 4, 2005 |
| 6827843 |
Hydrocarbon conversion using molecular sieve SSZ-63 |
Dec. 7, 2004 |
| 6825391 |
Rejuvenating SAPO molecular sieve with anhydrous liquid or vapor |
Nov. 30, 2004 |
| 6812373 |
Modified metalloaluminophosphate molecular sieves |
Nov. 2, 2004 |
| 6809227 |
Method for increasing light olefin yield by conversion of a heavy hydrocarbon fraction of a product to light olefins |
Oct. 26, 2004 |
| 6797852 |
Protecting catalytic activity of a SAPO molecular sieve |
Sep. 28, 2004 |
| 6797851 |
Two catalyst process for making olefin |
Sep. 28, 2004 |
| 6768036 |
Method for adding heat to a reactor system used to convert oxygenates to olefins |
Jul. 27, 2004 |
| 6768037 |
Process to upgrade fischer-tropsch products and form light olefins |
Jul. 27, 2004 |
| 6768034 |
Catalytic production of olefins at high methanol partial pressures |
Jul. 27, 2004 |
| 6756516 |
Treatment of acid catalysts |
Jun. 29, 2004 |
| 6740790 |
Making an olefin product from an oxygenate |
May. 25, 2004 |
| 6740791 |
Process for converting oxygenates to olefins with direct product quenching for heat recovery |
May. 25, 2004 |
| 6737556 |
Method and system for reducing decomposition byproducts in a methanol to olefin reactor system |
May. 18, 2004 |
| 6734330 |
Catalyst pretreatment in an oxygenate to olefins reaction system |
May. 11, 2004 |
| 6717023 |
Method for converting oxygenates to olefins |
Apr. 6, 2004 |
| 6709644 |
Small crystallite zeolite CHA |
Mar. 23, 2004 |
| 6710218 |
Catalytic process for the preparation of light olefins from methanol in fluidized bed reactor |
Mar. 23, 2004 |
| 6685905 |
Silicoaluminophosphate molecular sieves |
Feb. 3, 2004 |
| 6680418 |
Process for producing light olefins |
Jan. 20, 2004 |
| 6673978 |
Process for making olefins |
Jan. 6, 2004 |
| 6670518 |
Olefin recovery in a polyolefin production process |
Dec. 30, 2003 |
| 6657022 |
Inhibiting catalyst coke formation in the manufacture of an olefin |
Dec. 2, 2003 |
| 6645370 |
Preparation of high silica zeolites bound by zeolite and use thereof |
Nov. 11, 2003 |
| 6642279 |
Carbon dioxide recovery in an ethylene to ethylene oxide production process |
Nov. 4, 2003 |
| 6639117 |
Rejuvenating SAPO molecular sieve by freeze drying |
Oct. 28, 2003 |
| 6627782 |
Preparation of 1-olefins |
Sep. 30, 2003 |
| 6620983 |
Synthesis of aluminophosphates and silicoaluminophosphates |
Sep. 16, 2003 |
| 6613950 |
Stripping hydrocarbon in an oxygenate conversion process |
Sep. 2, 2003 |
| 6613951 |
Process for converting methanol to olefins |
Sep. 2, 2003 |
| 6605749 |
Synthesis of molecular sieve catalysts |
Aug. 12, 2003 |
| 6593506 |
Olefin recovery in a polyolefin production process |
Jul. 15, 2003 |
| 6580010 |
Olefin recovery in an olefin production process |
Jun. 17, 2003 |
| 6555715 |
Conversion of light paraffins to oxygenates or olefins using an imide promoter |
Apr. 29, 2003 |
| 6552240 |
Method for converting oxygenates to olefins |
Apr. 22, 2003 |
| 6538167 |
Process for producing light olefins |
Mar. 25, 2003 |
| 6534692 |
Methanol to olefin process with increased selectivity to ethylene and propylene |
Mar. 18, 2003 |
| 6531639 |
Catalytic production of olefins at high methanol partial pressures |
Mar. 11, 2003 |
| 6518475 |
Process for making ethylene and propylene |
Feb. 11, 2003 |
| 6518474 |
Process for producing isobutylene from tertiary butyl alcohol |
Feb. 11, 2003 |
| 6506954 |
Process for producing chemicals from oxygenate |
Jan. 14, 2003 |
| 6500404 |
Zeolite ITQ-3 |
Dec. 31, 2002 |
| 6495609 |
Carbon dioxide recovery in an ethylene to ethylene oxide production process |
Dec. 17, 2002 |
| 6486219 |
Methanol, olefin, and hydrocarbon synthesis process |
Nov. 26, 2002 |
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