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| Number | Title | Issue Date |
| 7374662 | Method for jointly producing propylene and petrol from a relatively heavy charge A process for conversion of a hydrocarbon feedstock comprising a relatively heavy main feedstock with a boiling point above approximately 350° C., and a relatively light secondary feedstock with a boiling point below approximately 320° C., wherein, ... | 05/20/2008 |
| 6388152 | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process A process for producing polymers from olefins selectively produced from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is introduced into a process unit comprised of a reaction zone, a stripping zone, a... | 05/14/2002 |
| 6339180 | Process for producing polypropylene from C3 olefins selectively produced in a fluid catalytic cracking process A process for producing polypropylene from olefins selectively produced from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is contacted with a catalyst containing from about 10 to 50 wt. % of a crystal... | 01/15/2002 |
| 6325918 | Raffinate hydroconversion process A process for producing a high VI/low volatility lubricating oil basestock and a lubricating oil basestock prepared by said process. The process comprises subjecting the raffinate from a solvent extraction step to a two step, single stage hydroconversion ... | 12/04/2001 |
| 6322692 | Hydroconversion process for making lubricating oil basestocks A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone,... | 11/27/2001 |
| 6099719 | Hydroconversion process for making lubicating oil basestocks A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by solvent extracting a feedstock to produce a raffinate, solvent dewaxing the raffinate, selectively hydroconverting the solvent dewaxed raffi... | 08/08/2000 |
| 5935417 | Hydroconversion process for making lubricating oil basestocks A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone ... | 08/10/1999 |
| 5702589 | Process for converting olefinic hydrocarbons using spent FCC catalyst 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 addition to a separate o... | 12/30/1997 |
| 5684220 | Process for reducing the vapor pressure of gasoline by removing amylenes therefrom and enhancing the octane thereof A method for reducing the vapor pressure of a gasoline pool by removing amylenes therefrom. The blending octane of gasoline is enhanced by the dimerization of the amylene followed by alkylating the resultant dimate product so as to produce an alkylate end... | 11/04/1997 |
| 5338436 | Dewaxing process There is provided a process for dewaxing a hydrocarbon feedstock, wherein the effluent from a dewaxing reaction zone is passed over an oligomerization catalyst under conditions sufficient to oligomerize olefins in this effluent. The temperature of the oli... | 08/16/1994 |
| 5053579 | Process for upgrading unstable naphthas A process for upgrading of unstable olefins, naphthas, and dienes, such as coker naphthas, is disclosed. The olefins in the unstable naphthas are oligomerized over a shape selective zeolite to gasoline and distillate products. The dienes are catalytically... | 10/01/1991 |
| 5009851 | Integrated catalytic reactor system with light olefin upgrading A catalytic reactor system for cracking heavy oil in a FCC vertical reactor with lift gas. Olefinic light cracking gas separated from the FCC effluent is upgraded in a catalytic reactor to increase gasoline production. Byproduct light paraffinic gas from ... | 04/23/1991 |
| 5000837 | Multistage integrated process for upgrading olefins An improvement in gasoline octane without substantial decrease in overall yield is obtained in an integrated process combining a fluidized catalytic cracking reaction and a low severity fluidized catalyst olefin oligomerization reaction when crystalline m... | 03/19/1991 |
| 4966680 | Integrated catalytic cracking process with light olefin upgrading Process and apparatus for upgrading light olefinic crackate gas from a fluidized catalytic cracking unit having a riser reactor for contacting hot solid cracking catalyst with a heavy hydrocarbon feedstock, said light crackate gas containing ethene, prope... | 10/30/1990 |
| 4870146 | Process for producing a light color high softening point hydrocarbon resin A process for producing a light color high softening point hydrocarbon resin, which comprises polymerizing an oil fraction obtained by condensing a fractionated component withdrawn in a gas phase from a recovery section of a fractionating tower located be... | 09/26/1989 |
| 4695364 | Lube or light distillate hydrodewaxing method and apparatus with light product removal and enhanced lube yields An improved multistage hydrodewaxing process for hydrodewaxing a hydrocarbon feedstock, such as a heavy or light distillate, is disclosed. A two-phase mixture of a hydrogen-rich gas stream and a liquid hydrocarbon is passed through a series of spaced cata... | 09/22/1987 |
| 4676886 | Process for producing anode grade coke employing heavy crudes characterized by high metal and sulfur levels The present invention is drawn to a process for the production of anode grade coke from a hydrocarbon feed characterized by high levels of sulfurs and metals. The hydrocarbon feed is hydrocracked in a hydrocracking reactor so as to produce an overhead eff... | 06/30/1987 |
| 4648957 | Lube hydrodewaxing method and apparatus with light product removal and enhanced lube yields An improved method and apparatus are disclosed for hydrodewaxing hydrocarbon feedstock, such as heavy distillate or residual feed. The feedstock is hydrodewaxed in a first step. The resulting first effluent is separated to form a first vapor stream contai... | 03/10/1987 |
| 4606808 | Method for the preparation of pitches for spinning carbon fibers The invention provides a method for the preparation of a pitch spinnable into pitch filaments as a precursor of carbon fibers starting from a pitch material such as coal tar and coal tar pitch. Different from the conventional procedure involving hydrogena... | 08/19/1986 |
| 4462894 | Process for producing pitch for using as raw material for carbon fibers A process for producing a pitch is disclosed. The process involves distilling a heavy petroleum oil under reduced pressure to obtain a distillate, the distillate is hydrogenated to obtain a hydrogenated oil which is subjected to catalytic cracking. The cr... | 07/31/1984 |
| 4460455 | Process for producing pitch for using as raw material for carbon fibers A process for producing a pitch used as a raw material for producing carbon fibers is disclosed. The process comprises the steps of carrying out catalytic cracking of a hydrogenated residual oil prepared by hydrogenation treatment of a petroleum heavy res... | 07/17/1984 |
| 4460454 | Process for producing pitch for using as raw material for carbon fibers A process for producing a pitch which is used as a raw material for producing carbon fibers is disclosed. The process comprises subjecting a petroleum heavy residual oil to hydrogenation treatment in the presence of catalysts, removing a low boiling point... | 07/17/1984 |
| 4361477 | Stabilizing and dewaxing lube oils A two-step process for dewaxing and stabilizing hydrocracked lubricating oil stocks is disclosed. High-silica zeolite produces catalytic dewaxer effluent containing lower olefins for favorable stabilizing (alkylation) reactions by contact with acidic cata... | 11/30/1982 |
| 4324646 | Process for converting C4 olefinic cracking cuts to alkylate and gasoline A process is provided for selectively polymerizing isobutene in an olefinic C4 cut comprising isobutene and normal butenes by contacting the cut with a catalyst consisting essentially of silica-alumina; whereby at least 90% of the isobutene and... | 04/13/1982 |
| 4244806 | Process for converting C4 olefinic cracking cuts to alkylate and gasoline A C4 olefinic cracking cut is subjected first to catalytic polymerization and then to fractionation: the resultant isobutene dimers and trimers fraction is hydrogenated, while the remainder is alkylated. The resultant product is a gasoline of h... | 01/13/1981 |
| 4227992 | Process for separating ethylene from light olefin mixtures while producing both gasoline and fuel oil A process is disclosed for separating ethylene in admixture with light olefins by contacting said olefinic mixture under very critical reaction conditions over a special catalyst, such as a zeolite of the ZSM-5 type so as to selectively react the C3 | 10/14/1980 |
| 4208268 | Method of processing thermal cracked by-product oil This invention provides a method of processing thermal cracked by-product oil which comprises reacting a distillate from a thermal cracked by-product oil principally containing components of a boiling range between 75° C. and 198° C. said distillate bei... | 06/17/1980 |
| 4197185 | Process for the conversion of olefinic C4 cuts from steam cracking to high octane gasoline and butane Process for producing butane and gasoline of high isooctane content, from a C4 olefin cut issued from a steam cracking unit, comprising the steps of: polymerizing at least 90% of the isobutene of the cut mainly to dimers and trimers thereof, hy... | 04/08/1980 |
| 4179550 | Method for preparing a novel polymer A method for preparing a novel polymer which comprises polymerizing a polymerizable material selected from the group consisting of (a) substituted or unsubstituted dicyclopentadiene; (b) a cationically polymerizable unsaturated hydrocarbon-containing fraction ... | 12/18/1979 |
| 4175278 | Electric insulating oil compositions The present invention provides novel electric insulating oil compositions and a process for preparing the same. The electric insulating compositions of the invention comprise distillates within a boiling range in terms of normal pressure between 265° C. ... | 11/20/1979 |
| 4150062 | Light olefin processing An improved processing technique is provided for conversion of olefins of 2 to 4 carbon atoms to product comprising high octane gasoline components. Embodiments of the present improved processing technique include conversion of light olefins to high octan... | 04/17/1979 |
| 4146465 | Addition of olefins to cat cracker feed to modify product selectivity and quality A process for increasing the octane rating of gasoline and decreasing the quantity of coke produced by a catalytic cracking process by adding C2 to C6 linear olefins to the feed to the reactor with a zeolite containing cracking catal... | 03/27/1979 |
| 4133841 | Process for upgrading effluents from syntheses of the Fischer-Tropsch type This process for upgrading effluents from syntheses of the Fischer-Tropsch type comprises several steps applied to the three cuts obtained from these effluents, i.e. a "light fraction", a "light oil" and a "decanted oil". The products are mainly gasoline,... | 01/09/1979 |
| 4100218 | Ethane conversion process Ethane is converted to LPG and gasoline and/or aromatics concentrate in a combination process which comprises directly passing olefin effluent from the thermal cracking of ethane over a special crystalline aluminosilicate zeolite of the ZSM-5 type and rec... | 07/11/1978 |
| 4032432 | Conversions of hydrocarbons A combination operation is described comprising gas oil cracking in the presence of a large and smaller pore size crystalline zeolite dual component cracking catalyst in which combination C6 minus products are separated and catalytically upgrad... | 06/28/1977 |
| 3954600 | Catalytic cracking process for producing middle distillate A catalytic cracking of hydrocarbons in the presence of an added olefin-containing naphtha increases the selectivity and yield of middle distillate.... | 05/04/1976 |
| 3951780 | Aromatic oils by thermal polymerization of refinery streams A heat soaked polymer by-product from the production of gasoline using the 90°-400°F. steam cracker naphtha as feed is upgraded by first subjecting the same to a thermal polymerization and then subjecting the thermal polymerization product to a hydrotre... | 04/20/1976 |
