Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Chemistry
Class Information
Number: 585/445
Name: Chemistry of hydrocarbon compounds > Aromatic compound synthesis > Having alkenyl moiety, e.g., styrene, etc. > By dehydrogenation > Using metal oxide, sulfide, or salt > Cr-, mo-, or w-containing
Description: Subject matter wherein the process uses chromium, tungsten, or molybdenum in free or combined form.










Patents under this class:
1 2

Patent Number Title Of Patent Date Issued
7922980 EB/SM splitter heat recovery Apr. 12, 2011
7816576 Method for catalytically dehydrating hydrocarbons Oct. 19, 2010
7713498 Manufacturing plant for the dehydrogenation of an unsaturated hydrocarbon May. 11, 2010
7595427 Process for production of styrene by catalytic gas phase dehydrogenation of ethylbenzene Sep. 29, 2009
7282619 Method of operating a dehydrogenation reactor system Oct. 16, 2007
7279611 Paraffin dehydrogenation catalyst Oct. 9, 2007
7169960 Dehydrogenation process Jan. 30, 2007
6841712 Process for the dehydrogenation of ethylbenzene to styrene Jan. 11, 2005
6781024 Dehydrogenation process Aug. 24, 2004
6743959 Method for the dehydrogenation of triisopropyl benzene and diisopropyl benzene Jun. 1, 2004
6600082 Process for dehydrogenating organic compounds in the presence of a supported bimetallic catalyst with a strong interaction between a group VIII metal and tin Jul. 29, 2003
6525232 Process and apparatus for endothermic reactions of organic compounds Feb. 25, 2003
6511593 Homogeneous bed of catalyst and a process for transforming hydrocarbons into aromatic compounds using said bed Jan. 28, 2003
6465704 Dehydrogenation catalysts Oct. 15, 2002
6380449 Dehydrogenation process Apr. 30, 2002
6380450 Process for producing indene Apr. 30, 2002
6300534 Process for producing dehydrogenated compounds of m-ethyldiphenylalkane Oct. 9, 2001
6242660 Catalytic system and process for dehydrogenating ethylbenzene to styrene Jun. 5, 2001
6222085 Catalyst for dehydrogenation of alkylaromatic hydrocarbon, process for producing the catalyst, and process for producing vinylaromatic hydrocarbon by using the catalyst Apr. 24, 2001
6177602 Process for dehydrogenation of alkylaromatic hydrocarbons using a dehydrogenation catalyst Jan. 23, 2001
6166280 Catalyst for the dehydrogenation of ethylbenzene to styrene Dec. 26, 2000
6031143 Process for the production of styrene Feb. 29, 2000
5962757 Dehydrogenation catalyst and process Oct. 5, 1999
5895829 Preparation of olefinically unsaturated compounds, in particular sytrene, by catalytic oxidation Apr. 20, 1999
5866737 Oxidation and oxydehydrogenation of hydrocarbons in the fluidized bed Feb. 2, 1999
5545787 Process for dehydrogenating hydrocarbons and oxygenated hydrocarbons Aug. 13, 1996
5510553 Catalytic dehydrogenation of alkylaromatic hydrocarbons Apr. 23, 1996
5489724 High pressure drop endothermic process Feb. 6, 1996
5476981 Oxidative dehydrogenation of hydrocarbons with solid superacid catalyst Dec. 19, 1995
5436402 Method for preparing p-isobutylstyrene Jul. 25, 1995
5354935 Catalystic method for the dehydrogenation of hydrocarbons Oct. 11, 1994
5171914 Dehydrogenation catalyst and process Dec. 15, 1992
5097061 Method for preparing .alpha.-(4-isobutylphenyl)propionic acid or its precursor Mar. 17, 1992
5023225 Dehydrogenation catalyst and process for its preparation Jun. 11, 1991
4902845 Method to extend life of iron oxide-containing catalysts using low levels of oxygen Feb. 20, 1990
4812597 Dehydrogenation of dehydrogenatable hydrocarbons Mar. 14, 1989
4806624 Dehydrogenation of dehydrogenatable hydrocarbons Feb. 21, 1989
4804799 Dehydrogenation catalyst Feb. 14, 1989
4795846 Process for the dehydrocyclization of aliphatic hydrocarbons Jan. 3, 1989
4786625 Dehydrogenation catalyst compositon Nov. 22, 1988
4720604 Process for dehydrogenation of alkylaromatics Jan. 19, 1988
4695664 Method of recovering heat from low temperature effluent Sep. 22, 1987
4652687 Process for the dehydrogenation of dehydrogenatable hydrocarbons Mar. 24, 1987
4628137 Process for para-ethyltoluene dehydrogenation Dec. 9, 1986
4599471 Method for oxygen addition to oxidative reheat zone of hydrocarbon dehydrogenation process Jul. 8, 1986
4593134 Process for para-ethyltoluene dehydrogenation Jun. 3, 1986
4568783 Indenes by catalytic dehydrogenation of indanes Feb. 4, 1986
4565899 Iron oxide catalysts containing copper and zinc compounds and process for para-ethyltoluene dehydrogenation Jan. 21, 1986
4565898 Dehydrogenation of dehydrogenatable hydrocarbons Jan. 21, 1986
4560819 Process for para-ethyltoluene dehydrogenation Dec. 24, 1985

1 2










 
 
  Recently Added Patents
Digital photographing apparatus
Data processing method
Magnetic storage apparatus
Managing deduplication density
Systems and methods for implementing multi-application tabs and tab sets
LED light source lamp having drive circuit arranged in outer periphery of LED light source
Highly detectable pilot structure
  Randomly Featured Patents
Vacuum cleaner
Classpath optimization in a Java runtime environment
Method and systems for a radiation tolerant bus interface circuit
Semiconductor photo-device having oblique top surface of stem for eliminating stray light
Tire vulcanizing method and tire vulcanizer
Fluid actuated shift bar housing assembly
Device for guiding puncture needle
Symmetrical quaternary ammonium compounds and their use in heavy metals recovery
Expansion bracelet
Interferometric optical display system with broadband characteristics