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Matches 401 - 450 out of 752

Document Document Title
WO/1998/007808
A process for upgrading petroleum feedstocks boiling in the distillate plus range, which feedstocks, when cracked, result in unexpected high yields of olefins. The feedstock is hydroprocessed in at least one reaction zone countercurrent ...  
WO/1998/006794
This invention provides an integrated process for converting a hydrocarbon feedstock having components boiling above about 100 �C into steam cracked products, which process comprises passing said feedstock to a hydrotreating zone to ef...  
WO/1998/006795
This invention provides an integrated process for converting a hydrocarbon feedstock having components boiling above about 100 �C into steam cracked products, which process comprises passing said feedstock to a hydrotreating zone at a ...  
WO/1998/000477
A method of providing fuel suitable for the generation of electrical power, which comprises: (i) subjecting a heavy hydrocarbon feedstock to delayed coking to yield coke and liquid hydrocarbon output; (ii) gasifying coke, produced in ste...  
WO/1997/029841
This invention relates to a process of catalytic hydroconversion of a heavy hydrocarbon oil containing a substantial portion of components having an atmospheric boiling point above 565 �C to give a product hydrocarbon oil containing co...  
WO/1997/025390
A delayed coking process in which a flash zone gas oil stream from the bottom of the coker fractionator (18) is upgraded by removing suspended solids using filter (30) and then hydroprocessing the stream to make it more attractive as a f...  
WO/1997/022469
An improved oxygen scavenging composition and packaging container formed therefrom is disclosed. The container is suitable for storage of oxygen sensitive materials and has as part of its exposed interior surface a composition composed o...  
WO/1997/020014
Sulphur-containing hydrocarbon feedstocks are desulphurised prior to being subjected to steam cracking in the presence of one or more thiohydrocarbons wherein the sulphur is part of aromatic heterocycles, preferably thiophene and/or benz...  
WO/1997/015539
This invention relates to a catalytic oligomerization process using a catalyst comprising an acidic solid. The acidic solid may comprise a Group IVB metal oxide, such as zirconia, modified with an oxyanion of a Group VIB metal, such as t...  
WO/1996/037577
A jet fuel with the following characteristics is described: (i) a distillation point in the range of 140-300 �C; (ii) a cis decalin/trans decalin ratio of above 0.2; (iii) an aromatics content of less than 22 volume %; (iv) a sulphur c...  
WO/1996/034072
Disclosed is a process for converting olefinic hydrocarbons using spent FCC catalysts which comprises using spent FCC catalysts, optionally containing spent FCC additives, in the reactor/stripper part of the FCCU, instead of or in additi...  
WO/1996/030463
Low sulfur gasoline of relatively high octane number is produced from a thermally cracked sulfur-containing naphtha such as coker naphtha, by hydrodesulfurization followed by treatment over an acidic catalyst, preferably a zeolite such a...  
WO/1996/026992
Process for the thermal conversion of a hydrocarbon oil feed derived from a crude oil via a fractionation comprising at least an atmospheric distillation (1) in a crude distillation unit, which process comprises the steps of: a) subjecti...  
WO/1996/017039
An integrated process for providing a gasoline boiling range reformate-containing product produced from naphtha comprises: (1) pretreating a raw naphtha feedstream containing benzene by contacting with a hydrodesulfurization catalyst the...  
WO/1996/017040
An integrated process for increasing C6 to C8 aromatics content in reformate prepared from C9+ aromatics-containing feed comprises: 1) pretreating a raw naphtha feedstream containing C9+ aromatics and sulfur by contacting with a) a hydro...  
WO/1996/010548
A process for producing aromatic hydrocarbon by bringing a low-boiling hydrocarbon feedstock containing olefin and/or paraffin into contact with a zeolite catalyst in a fixed-bed adiabatic reactor provided with a fixed catalyst bed conta...  
WO/1996/007714
Low sulfur gasoline of relatively high octane number is produced from a cracked, sulfur-containing olefinic naphthas by hydrodesulfurization followed by treatment over an acidic catalyst comprising an intermediate pore size zeolite such ...  
WO/1996/007716
Process for the thermal cracking of a residual hydrocarbon oil wherein a final 520 �C+ conversion of at least 35 % by weight is attained, which process comprises the steps of: (a) heating the residual hydrocarbon oil feed in a furnace ...  
WO/1996/007713
A process for catalytically desulfurizing cracked fractions in the gasoline boiling range to acceptable sulfur levels uses an initial hydrotreating step to desulfurize the feed with some reduction in octane number, after which the desulf...  
WO/1995/035270
The invention provides a two-step process for converting cyclopentadiene dimer to a high density fuel mixture comprising the steps of: a) reacting the cyclopentadiene dimer in the presence of a solid catalyst comprising a porous crystall...  
WO/1995/013255
A novel process having improved flexibility in olefins production is provided which integrates a deep catalytic cracking with a steam cracking process, and optionally, also including steps of disproportionation and C-4 hydrocarbon proces...  
WO/1995/010580
Low sulfur gasoline of relatively high octane number is produced from a cracked, sulfur-containing olefinic naphthas by hydrodesulfurization followed by treatment over an acidic catalyst comprising zeolite beta with a metal hydrogenation...  
WO/1995/010579
Light cycle oil (LCO) is upgraded to a low sulfur gasoline by co-processing the LCO with a cracked, sulfur-containing olefinic naphthas by hydrodesulfurization followed by treatment over an acidic catalyst comprising zeolite beta with a ...  
WO/1995/000605
A process is proposed for obtaining benzenes involving catalytic reforming of benzene fractions, subsequent hydroconversion in the presence of a catalyst and extraction of the product thus obtained. The composition of the proposed cataly...  
WO/1994/026848
A process method to produce the feedstocks for manufacturing high quality lube base oil of the present invention is utilizing the unconverted oil (UCO), which is produced from a fuels hydrocracker unit, to manufacture the feedstock oils ...  
WO/1994/022981
Heavy waxy oil is dewaxed by a mild cracking and isomerization process using a catalyst comprising SSZ-32 and at least one Group VIII metal. The heavy oil contains naphthenic wax, which includes only a relatively small amount of normal a...  
WO/1994/022980
Low sulfur gasoline is produced from a catalytically cracked, sulfur-containing naphtha by fractionating the naphtha feed (10) into a low boiling fraction in which the majority of the sulfur is present in the form of mercaptans and a hig...  
WO/1994/016036
Low sulfur gasoline is produced by fractionating in a fractionator (10) a sulfur-containing naphtha into a low boiling fraction in which the majority of the sulfur is present in the form of mercaptans and a higher-boiling fraction in whi...  
WO/1994/011471
Used motor oil is cracked under the cracking temperature ranging from 520 to 650 �F, with the cracking process promoted by the presence of suspended metal particles generated by engine wear, to produce a diesel fuel which may subsequen...  
WO/1994/010262
Low sulfur gasoline of relatively high octane number is produced from a catalytically cracked, sulfur-containing naphtha by hydrodesulfurization in a reactor zone (12) and treatment over an acidic catalyst, preferably an intermediate por...  
WO/1994/009090
A cracked FCC naphtha is withdrawn through line (12) and passes to a mercaptan oxidation (sweetening) unit (13) in which the mercaptans are converted to higher boiling disulfide compounds. The effluent from the mercaptan oxidation unit i...  
WO/1993/014049
Lubricant compositions comprise blends or mixtures of low viscosity, 3-8 cS e.g. about 5 cS (100 °C), HVI lube basestock with higher viscosity, 15 cS+ e.g. 30+ cS (100 °C) HVI PAO lube basestock produced from slack wax by thermal crack...  
WO/1993/012204
Provided is a method for removing residual sulfur from a hydrotreated naphtha feedstock (1). The process comprises contacting the naphtha feedstock (1) with a first solid sulfur sorbent (2) comprising a metal on a support to thereby form...  
WO/1993/010066
Aromatic structures can be introduced into the molecular structure of polyalpha-olefin (PAO) lubricant oligomers by subjecting the polyalpha-olefin to a dehydrocyclization reaction which converts a portion of the pendant or branching alk...  
WO/1993/008145
There is provided a combination process for ring opening of aromatics and cycloaliphatics, as well as isomerization of aliphatics using a feedstream comprising hydrocarbons having 6 carbon atoms and at least two reactors connected in ser...  
WO/1993/006069
The 177°-343 °C (350°-650 °F) portion of the product from the oligomerization of light olefins with surface-deactivated shape selective medium pore zeolite catalyst comprises olefinic hydrocarbons having unique and desirable structur...  
WO/1993/004146
Low sulfur gasoline of relatively high octane number is produced from a catalytically cracked, sulfur-containing naphtha by hydrodesulfurisation followed by treatment over an acidic catalyst, preferably an intermediate pore size zeolite ...  
WO/1992/015655
The benzene concentration in the gasoline pool of a petroleum refinery is decreased by alkylation of the benzene in a catalytic dewaxing reactor using the olefinic by-products from the dewaxing reaction as alkylating agents. The catalyti...  
WO/1992/011344
The present invention is directed to a process for treating hydrotreated naphtha which involves treating the naphtha over massive nickel catalyst followed by treating the naphtha over a metal oxide under conditions effective for removing...  
WO/1992/010557
A method of refining crude oil, which can reduce costs for facility and operation and ensure stable operation under simple control. The method is characterized in that, after distilling and separating naphtha fraction in crude oil, remai...  
WO/1992/008773
Described is a process for recovering sulphurated styrene residues obtained in the purification of styrene produced by catalytic dehydrogenation of ethylbenzene, which comprises mixing said residues with a gasoil and subjecting the resul...  
WO/1992/007921
The invention relates to a process and installation for producing liquid fuels and raw chemicals from petroleum as part of a refinery process with processing stages for distillation, thermal and/or catalytic cracking and reformation wher...  
WO/1992/003520
A process for separation and removal of stable polycyclic aromatic dimer foulants from refinery process streams by blending a paraffin stream (10) with a portion of heavy effluent (11) from a hydrocracking reactor (48) to induce precipit...  
WO/1991/017230
A process for the production of gaseous olefins which involves introducing a hydrocarbon feedstock stream into a high temperature thermal cracking zone to produce a high temperature cracked product stream, quenching the cracked product s...  
WO/1991/014754
A two-step process for the production of large quantities of heartcut distillate resin precursors from steamed cracked gas oil product which involves hydrogenation of the steam cracked gas oil followed by steam cracking of the hydrogenat...  
WO/1991/012300
In a process for upgrading a heavy hydrocarbon liquid feed (301) containing waxy components and having an end boiling point exceeding 750 �F (400 �C), at least a portion of the feed is catalytically dewaxed in a dewaxing zone (103) t...  
WO/1991/008276
Isoparaffinic white oil is produced by dimerization of an isoolefin feedstock containing 9 to 15 carbon atoms per molecule by contact with a solid acidic catalyst followed by hydrogenation, preferably in two stages.  
WO/1990/015121
A process for the production of petrol with improved research octane numbers (RON) and improved motor octane numbers (MON) consists in subjecting the light cycle oils (LCO), the heavy cycle oils (HCO), and the clarified oils (CLO) obtain...  
WO/1990/011339
The invention provides a moderate pressure hydrocracking process in which a highly aromatic, substantially dealkylated feedstock is processed directly to high octane gasoline by hydrocracking said feedstock in a hydrocracking zone (18) c...  
WO/1990/010050
The thermal stability of synthetic lubricants composed of alpha-olefin oligomers is improved by reaction with an olefin such as decene or the lower molecular weight, non-lubricant range olefins produced in the course of the oligomerizati...  

Matches 401 - 450 out of 752