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Class 585/529 - P compound on solid carrier, e.g., "solid phosphoric acid", etc.


Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein a phosphorus compound is supported
No. of patents: 43
Last issue date: 11/22/2011


1    
NumberTitleIssue Date
8063260Solid phosphoric acid with controlled porosity
The present invention relates to a solid phosphoric acid catalyst and a process for conversion of hydrocarbons using a solid phosphoric acid catalyst. The solid phosphoric acid catalyst comprises silicon orthophosphate, and has a silicon orthophosphate to silicon py...
11/22/2011
7485765Process for obtaining a butadiene homopolymer in the presence of monoolefin(s) with 4 carbon atoms
A process is described for obtaining a 1,3-butadiene homopolymer by the reaction of a catalytic system in the presence of 1,3-butadiene and one or more monoolefin(s) with 4 carbon atoms. This catalytic system is based on at least: ...
02/03/2009
7208440Method for pretreatment of catalysts with a phosphoric acid base
The invention relates to a method for pretreatment of a solid catalyst that is obtained by a reaction between an inorganic binder and phosphoric acid, whereby said method comprises a stage in which said catalyst is brought into contact with a mixture of hydrocarbons...
04/24/2007
7196238Process for dimerizing light olefins
The invention relates to a process for dimerizing lower, olefinic hydrocarbons. In particular, the present invention concerns a process for dimerizing C3–, C4 and C5-olefins with a medium pore zeolite under process conditions allow...
03/27/2007
6875900Upflow oligomerization reaction process
An oligomerization process for the production of higher aliphatic olefins is disclosed. In the process, a liquid oligomerization feed stream comprising lighter aliphatic olefins is passed to a reactor vessel. The liquid oligomerization feed stream is transported upw...
04/05/2005
6787577Process for the production of highly branched Fischer-Tropsch products and potassium promoted iron catalyst
Process for increasing the branching in products from a slurry-type Fischer-Tropsch unit by use of potassium promoted iron-based catalyst, an integrated process for increasing the yield of lubricating base oils, and an iron-based Fischer-Tropsch catalyst composition...
09/07/2004
6689927Process for oligomer production and saturation
A process for the production of C8 alkenes with high selectivities to 2,4,4-trimethylpentene by the oligomerization of isobutene and/or n-butene at lower temperatures is disclosed. Higher proportions of heavy paraffins mixed with the butene fee...
02/10/2004
6602922Process for producing C19 minus Fischer-Tropsch products having high olefinicity
A process for increasing the yield of olefinic products from a Fischer-Tropsch unit and increasing the yield of products within the lube and diesel boiling range by use of a potassium promoted iron-based catalyst....
08/05/2003
6501001Process for selective dimerization of propylene principally into branched dimers
In order to carry out selective dimerization of propylene principally into branched dimers, a catalytic composition resulting from at least partly dissolving a nickel compound mixed or complexed with a tertiary phosphine carrying a functional group is use...
12/31/2002
6399843Upflow oligomerization reaction process
An oligomerization process for the production of higher aliphatic olefins is disclosed. In the process, a liquid oligomerization feed stream comprising lighter aliphatic olefins is passed to a reactor vessel. The liquid oligomerization feed stream is tran...
06/04/2002
6184428Catalyst and process for ethylene oligomerization
A catalyst and a process are provided for oligomerizing ethylene. A heterogeneous catalyst system comprises: (1) a chelating ligand, preferably 2-diphenyl phosphino benzoic acid (DPPBA); (2) a nickel precursor, preferably nickel chloride hexahydrate (NiCl...
02/06/2001
6127301Catalyst system and method for reaction of olefin
The present invention provides a novel catalyst system which can be preferably used in the trimerization, oligomerization reaction or polymerization reaction of an olefin, and a method for the trimerization, oligomerization or polymerization reaction of a...
10/03/2000
6111159Hydrocarbon conversion process
A method is provided for putting a fresh bed of solid phosphoric acid catalyst into service to catalyze a hydrocarbon conversion process. The method involves establishing hydrocarbon conversion conditions of temperature and pressure in the catalyst bed wh...
08/29/2000
6043401Reactive, low molecular weight, viscous poly(1-olefins) and copoly(1-olefins) and their method of manufacture
Catalysts and processes are described to make low molecular weight, essentially terminally-unsaturated, viscous poly(1-olefin) or copoly(1-olefin) having a high terminal vinylidine content from a feed stock containing one or more 1-olefin and other volati...
03/28/2000
6025534Olefin polymerization process
A method is provided for regenerating a fixed bed of olefin polymerization catalyst which can be performed without taking the catalyst bed out of service. The method involves the use of two different olefin-containing feedstocks, wherein the first feedsto...
02/15/2000
6011191Process for the production of hydrocarbons with a high octane number by the selective dimerization of isobutene
A process is described for the production of hydrocarbons with a high octane number starting from hydrocarbon cuts containing isobutene by selective dimerization with acid catalysts characterized in that the dimerization reaction is carried out in the pre...
01/04/2000
5932778Shutdown process for olefin polymerization reactor
A method is provided which can be used to quickly and easily take a fixed-bed of solid acid olefin polymerization catalyst out of service without causing any significant catalyst deactivation. The method involves substituting a substantially olefin-free h...
08/03/1999
5898090Aromatic isomerization using a modified silicoaluminophosphate
This invention is drawn to a process for isomerizing a non-equilibrium mixture of xylenes and ethylbenzene using a silicoaluminophosphate molecular sieve which is enriched in framework silicon at the surface, resulting in a greater yield of para-xylene co...
04/27/1999
5811608Process for oligomer production and saturation
A process for the production of saturated oligomers by the oligomerization of light olefins to heavier olefins and the saturation of the heavy olefins is improved by the recycle of the heavy paraffins to the oligomerization zone. The recycle of the heavy ...
09/22/1998
5792894Conversion of aromatic and olefins
A process is disclosed for alkylating a volatile aromatic compound with a light aliphatic mono-olefinic alkylating agent and concurrently condensing the alkylating agent in the presence of a solid alkylation- and condensation-promoting catalyst and at a t...
08/11/1998
5659096Combination of olefin oligomerization and paraffin alkylation
In a process for alkylating C4 -C18 alkenes in the presence of an acid catalyst, propylene is separated from the alkenes feed, the propylene is oligomerized to oligomers containing maily propylene tetramers, and the propylene oligome...
08/19/1997
5650548Olefin oligomerization process
Alpha-olefin oligomer is prepared by contacting an alpha-olefin monomer which contains from about 6 to about 20 carbon atoms with a catalyst system comprising boron trifluoride, a protic promoter, and an organic sulfone, sulfoxide, carbonate, thiocarbonat...
07/22/1997
5620935Method for the regeneration of a catalyst
Zeolites containing titanium atoms used as catalyst for the preparation of epoxides from olefins and hydrogen peroxide are regenerated by treating the spent catalyst with hydrogen peroxide in the absence of olefins and the regenerated catalyst is again us...
04/15/1997
5557027Oligomerization catalyst and process
The present invention relates to a catalyst suitable for oligomerization of olefins which is prepared by a process which comprises reacting a catalyst precursor ligand having a formula ##STR1## wherein R1 and R2 each independent...
09/17/1996
5059737Catalytic condensation process
A hydrocarbon conversion process which utilizes a solid phosphoric acid catalyst having a total X-ray intensity of at least 40 percent relative to alpha-alumina. The solid phosphoric acid catalyst is produced by crystallizing an amorphous mixture of an ac...
10/22/1991
5043509Shaped catalyst particles utilizable for the conversion of organic compounds
Catalyst particles which are employed in reactions involving the conversion of organic compounds should possess a desired configuration in order to maintain a desired voidage which will permit passage of the feedstock through the catalyst bed during the c...
08/27/1991
4946815Solid phosphoric acid catalyst
A solid phosphoric acid catalyst having a total X-ray intensity of at least 30 percent relative to alpha-alumina. The solid phosphoric acid catalyst is produced by crystallizing an amorphous mixture of an acid oxide of phosphorus and a siliceous material ...
08/07/1990
4880520Hydrocarbon conversion process using titanium-aluminum-phosphorus-silicon-oxide molecular sieves as catalyst
Crystalline molecular sieves having three-dimensional microporous framework structures of TiO2, AlO2, SiO2 and PO2 tetrahedral units are disclosed. These molecular sieves have an empirical chemical composition o...
11/14/1989
4749675Catalysts for the selective dimerization of ethylene or propylene to monoolefines, of the type based on nickel on a silica support, process for preparing it and dimerization process employing it
The present invention relates to a catalyst for the selective dimerization of ethylene or of propylene into monoolefines of the type based on nickel on a silica support whose active sites are complexes of the Ni+ ion. This catalyst is character...
06/07/1988
4742032Neutralization of spent solid phosphoric acid catalyst
Spent solid phosphoric acid catalyst is neutralized prior to removal from a reactor vessel to avoid generation of toxic dust or acidic washings during catalyst removal....
05/03/1988
4675463Process for reducing fouling in higher olefin plants
An improved process for oligomerizing olefins is provided in which olefin feed is contacted with phosphoric acid catalyst to form an olefin oligomerization product containing phosphorous-containing foulant precursors. The olefin oligomerization product is...
06/23/1987
4675460Process
Gasoline capable of further processing into diesel fuel is produced by catalytic conversion of lower olefins, using a zeolite catalyst which has been modified by substituting a significant portion of the cation sites thereof by basic cations. A preferred ...
06/23/1987
4556749Catalytic conversion of olefins to higher hydrocarbons
A process for converting normally gaseous olefins to higher hydrocarbons by catalytic oligomerization is disclosed wherein a feedstock comprising said olefins and containing a major amount of alkane diluent is contacted with a heterogeneous acid catalyst ...
12/03/1985
4520222Polymerization catalyst and deodorizing agent and process of use
Calcium silicate treated with an acid can be used as a polymerization catalyst or as a deodorizing agent. The acid is sulfuric acid, phosphoric acid or nitric acid....
05/28/1985
4465885Solid phosphorus fluoride catalysts
Olefinic hydrocarbons which contain from three to about six carbon atoms may be subjected to oligomerization reactions as well as being used as alkylating agents in the alkylation of alkylatable hydrocarbons by treatment at reaction conditions in the pres...
08/14/1984
4425226Polymerization catalyst and deodorizing agent
Calcium silicate treated with an acid can be used as a polymerization catalyst or as a deodorizing agent. The acid is sulfuric acid, phosphoric acid or nitric acid....
01/10/1984
4384157Catalytic condensation process with propane product stream
A process is disclosed for the catalytic condensation of propylene to produce C6 -plus hydrocarbons. The process consumes all of the propylene present in a mixed propane-propylene feed stream and produces a high purity propane effluent stream. ...
05/17/1983
4334118Solid phosphoric acid catalyzed olefin polymerization process
Improved processes for polymerizing C3 -C12 olefins (e.g. propylene) comprising polymerizing olefins in the presence of a solid phosphoric acid catalyst and an alkanol. As well as catalyzing the polymerization, the catalyst also cata...
06/08/1982
4234750HF Alkylation process
An improvement is disclosed in a process for the acid-catalyzed alkylation of an isoparaffin with an olefin alkylating agent. The improvement relates to an alkylation process wherein the hydrocarbon phase of the alkylation reaction mixture is introduced i...
11/18/1980
4137274Process for motor fuel production by olefin polymerization
A process for the production of motor fuel by the polymerization of aliphatic C3 and C4 mono-olefins wherein a small amount of a liquid aromatic hydrocarbon is passed through the polymerization zone to remove polymers. By-product alk...
01/30/1979
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