|
Match
|
Document |
Document Title |
|
|
7626068 |
Ni catalysts and methods for alkane dehydrogenation
Catalysts and methods for alkane oxydehydrogenation are disclosed. The catalysts of the invention generally comprise (i) nickel or a nickel-containing compound and (ii) at least one or more of...
|
|
|
7601881 |
Isomerization catalyst and process
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated...
|
|
|
7279611 |
Paraffin dehydrogenation catalyst
One aspect of the invention relates to a dehydrogenation catalyst composite containing alumina, chromium oxide, lithium oxide, and sodium oxide. The invention also relates to methods of making the...
|
|
|
6921831 |
Modified BiMo catalyst and process for use thereof
Modified lead/bismuth/molybdate catalysts containing vanadium, copper, or gold have been prepared, and are selective to the corresponding furan compound from the gas phase oxidation of an...
|
|
|
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
A process for dehydrogenating organic compounds, in particular paraffins and naphthenes, is carried out in the presence of a supported catalyst comprising a group VIII metal such as platinum, and...
|
|
|
5962757 |
Dehydrogenation catalyst and process
Dehydrogenation catalysts are prepared by a predoping process comprising, mixing iron oxide materials with a predopant to form a blend of iron oxide and predopant and heating the blend to the...
|
|
|
5866737 |
Oxidation and oxydehydrogenation of hydrocarbons in the fluidized bed
A process for the oxidation and oxidative dehydrogenation of hydrocarbons, in particular ethylbenzene, to form corresponding oxidized or olefinically unsaturated compounds, in particular styrene,...
|
|
|
5672801 |
Catalyst regeneration process and use of the catalyst in hydrocarbon conversion processes
The present invention concerns a regeneration process for a catalyst containing at least one metallic element selected from the group formed by platinum, palladium, ruthenium, rhodium, osmium,...
|
|
|
5639926 |
Process for producing a branched chain olefin by isomerization and transhydrogenation
A process for producing a branched chain olefin which comprises isomerising and transhydrogenating a hydrocarbon stream containing at least one straight chain paraffin of 4 or more carbon atoms by...
|
|
|
5585530 |
Transhydrogenation
A process for the production of olefins comprises dehydrogenating at least one hydrogen-donor hydrocarbon that is essentially free from olefinic unsaturation, e.g. a paraffin, in the presence of a...
|
|
|
5378350 |
Process and catalyst for dehydrogenation or dehydrocyclization of hydrocarbons
Process and catalyst for dehydrogenation or dehydrocyclization of hydrocarbons. The catalyst consists of an aluminum oxide/chromium oxide support with promotors consisting of compounds of alkali...
|
|
|
5354935 |
Catalystic method for the dehydrogenation of hydrocarbons
A catalyst comprising a preshaped porous support material having applied thereto in finely divided form an active compound chosen from at least one compound of vanadium, chromium, manganese, iron,...
|
|
|
5302773 |
Process of oxidizing aliphatic hydrocarbons employing a molybdate catalyst encapsulated in a hard, glassy silica matrix
A process for preparing olefins and diolefins in high productivity which involves contacting an aliphatic hydrocarbon, such as butane, with a heterogeneous catalyst composition containing reactive...
|
|
|
5258347 |
Process of oxidizing aliphatic hydrocarbons employing a molybdate catalyst composition
A process for the production of olefins and diolefins, such as 1,3-butadiene, comprising contacting an aliphatic hydrocarbon, such as butane, with a heterogeneous catalyst composition containing...
|
|
|
5053580 |
Metal oxide powders, their mixtures, metal mixed oxide powders, their mixtures and their use in catalytic dehydrogenation of hydrocarbons
Metal oxide powders comprised of Cr(III) oxide, Ti(IV) oxide, V(V) oxide, or mixtures of these, or metal mixed oxides comprised of Cr(III) oxide and Ti(IV) oxide and V(V) oxide, or their mixtures....
|
|
|
4996387 |
Dehydrogenation process
A process for producing a dehydrogenated hydrocarbon product stream by catalytically dehydrogenating a feed stream is disclosed. The process utilizes a plurality of dehydrogenation catalyst-filled...
|
|
|
4536483 |
Process for regeneration of iron-antimony metallic oxide catalysts
Iron-antimony metallic oxide catalysts which have become deactivated after being used for the production of aldehydes, acids, nitriles, or dienes through oxidation, ammoxidation, or oxidative...
|
|
|
4413155 |
Ammoxidation of olefins with novel antimonate catalysts
Oxide complex catalysts comprising Fe-Sb-Bi-O x promoted with a wide variety of different elements have been found to be especially useful in the ammoxidation of olefins to nitriles such as...
|
|
|
4395579 |
Li-spinel catalyst for non-oxidative dehydrogenation process
The preparation of a compound of formula R 1 --C(R 2 )CH 2 (R 1 and R 2 are a phenyl, alkyl or alkenyl group or a hydrogen atom) by contacting a mixture of steam and a compound of formula R...
|
|
|
4334116 |
Dehydrogenation using promoted molybdenum-copper-tin catalysts
Dehydrogenatable hydrocarbons are dehydrogenated by contacting them at dehydrogenation conditions in the presence of a complex oxide catalyst comprising molybdenum, copper and tin and at least one...
|
|
|
4327238 |
Dehydrogenation of organic compounds with a promoted zinc titanate catalyst
The catalytic dehydrogenation of at least one dehydrogenatable organic compound which has at least one ##STR1## grouping is carried out in the presence of a zinc titanate catalyst. The selectivity...
|
|
|
4172854 |
Dehydrogenation process and catalyst
Magnesium chromite dehydrogenation catalysts are improved by incorporation therein up to about 10% of an alkali metal.
|
|
|
4152300 |
Dehydrogenation catalyst
Addition of small amounts of oxidic compounds of aluminum, cadmium, magnesium, manganese, nickel, uranium, and the rare earths to iron-potassium-vanadium oxide catalysts useful in the...
|
|
|
4130507 |
Nonacidic multimetallic catalytic composite
Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a...
|
|
|
4108913 |
Dehydrogenation process
There is disclosed an improved dehydrogenation catalysts prepared from mixtures of WO 3 and V 2 O 5 ; mixtures of MoO 3 and V 2 O 5 and mixtures of Cr 2 O 3 or CrO 3 and V 2 O 5 which...
|
|
|
4079097 |
Normal paraffin hydrocarbon dehydrogenation with a nonacidic multimetallic catalytic composite
Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a...
|
|
|
4064188 |
Method of dehydrogenation, dehydrocyclization and hydrodealkylation
Method for the dehydrogenation or dehydrocyclization of paraffins, for dehydrogenation of olefins with from 2 to 20 carbon atoms, and for hydrodealkylation of naphthalene homologs at temperatures...
|
|
|
4048245 |
Dehydrogenation method and nonacidic multimetallic catalytic composite for use therein
Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a...
|
|
|
3966823 |
Process for preparing 1,3-butadiene and methacrolein simultaneously
The present invention relates to a production of 1,3-butadiene and methacrolein simultaneously by catalytic oxidation of mixed butenes composed of butene-1, cis-2-butene, trans-2-butene (unless...
|
|
|
3956181 |
Oxidation catalyst
Catalysts containing at least nickel or cobalt, chromium, bismuth and molybdenum have been found to be especially useful for the ammoxidation of olefins, the oxidation of olefins and the oxidative...
|
|
|
3944394 |
Apparatus suitable for carrying out catalytic process
Feedstock at a first temperature is mixed with a heating fluid at a second temperature and the mixture resulting therefrom is immediately contacted with a catalyst in a catalytic conversion zone as...
|
|
|
3919116 |
Phosphatic catalyst for the dehydrogenation of olefins and alkylated aromatic hydrocarbons and method of preparing same
A phosphatic catalyst for the dehydrogenation of olefins and alkylated aromatic hydrocarbons containing between 20 and 40 wt % of calcium, between 3 and 6 wt % of nickel, between 0.5 and 5 wt % of...
|
|
|
3894056 |
Catalytic oxidative dehydrogenation of alkenes or alkadienes to furan compounds
Alkenes and/or alkadienes are contacted with molecular oxygen and an oxidative dehydrogenation catalyst consisting essentially of phosphorus, molybdenum, cobalt and oxygen, wherein the atom ratio...
|
|
|
3894055 |
Catalytic oxidative dehydrogenation of alkenes or alkadienes to furan compounds
Alkenes and/or alkadienes are contacted with molecular oxygen and an oxidative dehydrogenation catalyst consisting essentially of molybdenum, vanadium, oxygen, and at least one promoter selected...
|
|
|
3867471 |
Method for preparing butadiene and isoprene
The method for preparing hydrocarbons consists of dehydrogenating olefinic hydrocarbons, namely n-butylenes or isoamylenes under isothermal conditions at a temperature of 560° - 600° C over a...
|
|
|
3835199 |
DEHYDROGENATION PROCESS AND CATALYST
An improved dehydrogenation process for the production of diolefins by the dehydrogenation of aliphatic hydrocarbons by contacting the hydrocarbon compound with a catalyst containing chromic oxide,...
|
|
|
3718707 |
OXIDATIVE DEHYDROGENATION
Oxidative dehydrogenation of hydrocarbons using oxygen and halogen and a catalyst of FeA x Mo y with x being from 0.01 to 0.5 and y being from 0.001 to 0.1 and A being calcium, magnesium,...
|
|
|
3716496 |
CATALYST COMPOSITION FOR THE OXIDATION AND THE OXIDATIVE DEHYDROGENATION OF OLEFINS
This invention provides a catalyst composition for an oxidation reaction selected from the group consisting of ammoxidation of olefins to nitriles, oxidation of olefins to aldehydes and oxidative...
|
|
|
3666687 |
SULFUR PROMOTED METAL FERRITE OXIDATIVE DEHYDROGENATION CATALYST
The yield in oxidative dehydrogenation of organic compounds using metal ferrite catalyst is improved by having a sulfur promoter present either as part of the catalyst or added to the reaction with...
|
|
|
3666684 |
METAL FERRITE CATALYST ACTIVATION WITH A LARGE AMOUNT OF HALOGEN
A partially deactivated metal ferrite oxidative dehydrogenation catalyst can be reactivated by contacting the catalyst with a relatively large amount of halogen. For example the yield from a Mg...
|
|
|
3621071 |
METHOD FOR DEHYDROGENATING AND CRACKING ALKANES AND OLEFINS
Aliphatic hydrocarbons are dehydrogenated and/or cracked using catalysts prepared by precipitating nickel with a phosphate ion or coprecipitating chromium and nickel with phosphate ions, the latter...
|
|
|
3621072 |
PROCESS FOR PRODUCING ISOPRENE
Isoprene is synthesized in high yield according to simple procedures and at low costs by passing a mixed gas comprising isobutylene, methanol and/or methyl ether, and oxygen gas, over a solid...
|
|
|
3542897 |
CATALYTIC DEHYDROGENATION OF PARAFFINS
|
|
|
3524821 |
REGENERATING OF CHROMIUM OXIDE CONTAINING DEHYDROGENATION CATALYSTS
|
|
|
3505422 |
DEHYDROGENATION AND METHANATION CATALYST AND PROCESS
|
|
|
3492248 |
MOLYBDENUM - BISMUTH - VANADIUM TERNARY COMPOUNDS USEFUL AS OXIDATION CATALYSTS
|
|
|
3445541 |
COMBINED DEHYDROGENATION AND DISPROPORTIONATION
|
|
|
3380931 |
Oxidation catalysts
|
|
|
3364277 |
Dehydrogenating olefins to diolefins in the presence of a yellow iron oxide catalyst
|
|
|
3361838 |
Continuous chromatographic catalytic reaction and separation of products
|