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Matches 1,451 - 1,500 out of 1,522

Document Document Title
JPS5422445B2  
JPS5495603A
The process relates to the production of olefins by thermal cracking, in the absence of a catalyst, of a fuel value residual hydrocarbon feedstock which, prior to cracking, is extracted with a paraffinic solvent which is selective for th...  
JPS5421205B2  
JPS5419882B2
Lube oils of improved viscosity index are produced by subjecting a crude lubricating oil to hydrocracking, selectively fractionating the hydrocracked product to yield a product having the desired flash point and viscosity and recycling t...  
JPS5483905A  
JPS5422413A
Specialty oils of very low pour point and excellent stability, such as transformer oils and refrigerator oils, are produced from waxy crude distillates by solvent refining, catalytic dewaxing over a zeolite catalyst in the nature of zeol...  
JPS5347243B2  
JPS5347242B2
This invention provides a method for the preparation of insulating oil having good oxidation stability, electric characteristics and resistance to copper corrosion which comprises subjecting a distillate (stock) within a temperature rang...  
JPS5336843B2
1435350 Treating heavy oils UOP Inc 7 Sept 1973 [8 Sept 1972] 42117/73 Heading C5E A sulphurous, ash- and asphaltene-containing hydrocarbon charge 1 is treated by deashing at 2 with a selective solvent 3 to provide a a solvent-lean ash-c...  
JPS5355303A
A process for making technical white oils in a single step hydrogenation and without the need for acid treating to meet white oil specification by hydrogenating a hydrocracked solvent extracted lubricating oil distilling between 650 DEG ...  
JPS5343705A
A process for the production of lubricating oils from petroleum stocks containing significant quantities of sulfur and lubricating oil components boiling above about 650 DEG F. (343 DEG C.) by subjecting such stocks to a series of steps ...  
JPS5310082B2  
JPS5335706A
A process is provided for the production of a stable, age-resisting mineral oil composition which comprises subjecting a paraffin base mineral crude oil to distillation to produce a distillate fraction boiling in the range of 270 DEG to ...  
JPS5244324B2  
JPS5244325B2  
JPS5243844B1
1311400 Lubricating oils TEXACO DEVELOPMENT CORP 16 Dec 1971 [28 Dec 1970] 58561/71 Heading C5E Lubricating oils are made from a vacuum distillate of a paraffin base crude oil by solvent refining to form a first raffinate which is dewaxe...  
JPS52130803A
PURPOSE: To obtain purified wax having good hue, hue stability and light resistance by treating with an adsorbent and then purifying by hydrogenation a crude petroleum wax containing contamination which can not be removed by conventional...  
JPS5243845B2  
JPS5235036B2
Hydrotreating of normally liquid hydrocarbon feeds has long been practiced to convert organic sulfur compounds to hydrogen sulfide for subsequent removal by adsorption. It has now been found that hydrotreating of said feed stocks over a ...  
JPS5231362B2  
JPS5220482B1  
JPS5213524B2
Maximum conversion of black oil charge stocks to distillable hydrocarbon products is achieved through a combination process involving solvent deasphalting, solvent deresining and multiple-stage hydrocracking.  
JPS5148764B2  
JPS5144122B2  
JPS51136603A
1504567 Paraffin adsorption and isomerization process UNION CARBIDE CORP 15 May 1975 [16 May 1974] 20513/75 Heading C5E An isomerization process comprises providing three fixed adsorbent beds, each having essentially the same adsorption ...  
JPS5142602B2  
JPS5142121B2  
JPS51111209A
A process for reclaiming used hydrocarbon oils through prepurification by means of coagulation, adsorption, filtration, distillation, and after-treatment, wherein said oils are prepurified and then dehalogenated, fractionally distilled a...  
JPS5133563B2
1391720 Treatment of asphatene containing oils UNIVERSAL OIL PRODUCTS CO 17 Oct 1972 [18 Oct 1971 (2)] 47780/72 Heading C5E An asphatene-containing hydrocarbonaceous charge stock is converted by (a) introducing into a conversion zone tog...  
JPS5128643B1  
JPS5138305A
Refrigeration oils are prepared by subjecting a crude lubricating oil fraction to mild hydrogenation, acid treating, dewaxing and clay percolation.  
JPS515403B1  
JPS513321B1
1310488 Refining lubricating oils TEXACO DEVELOPMENT CORP 9 Sept 1971 [6 Oct 1970] 42023/71 Heading C5E Lubricating oils are made by solvent extracting a vacuum distillate or deasphalted residuum to produce a raffinate and an aromatic ex...  
JPS5110806A  
JPS519106A
A naphtha is treated by heating in the presence of water, hydrogenating, and extracting desired aromatic components.  
JPS5037043B2  
JPS5035926B1
1,247,656. Refining lubricating- oil stocks. TEXACO DEVELOPMENT CORP. 9 April, 1970 [10 April, 1969], No. 16811/70. Heading C5E. Lubricating oil stocks are refined by (a) mild catalytic hydrogenating at 575-800‹ F. and 250-600 p.s.i.g. ...  
JPS5033803B2  
JPS5033802B2  
JPS50107003A  
JPS50102602A  
JPS5015002B1  
JPS503764B1
1,182,345. Hydrofinishing. GULF RESEARCH & DEVELOPMENT CO. 4 July, 1967 [14 July, 1966], No. 30635/67. Heading ('SE. A lubricating oil refining process for producing a series of hydrofinished lubricating oils of predetermined viscosities...  
JPS503327B1  
JPS4949009B1
1286383 Refining lubricating oil stocks SUN OIL CO 26 March 1970 [3 April 1969] 14670/70 Heading C5E A lubricating oil fraction is extracted with a solvent having preferential solubility for aromatics, the raffinate is hydrocracked to in...  
JPS49133337A
Process for producing aromatic hydrocarbons, particularly benzene and/or toluene from a feed charge containing saturated and unsaturated hydrocarbons, by catalytic treatment of said charge with hydrogen, fractionation of the resulting pr...  
JPS4946122B1  
JPS4945768B1  
JPS4945767B1  
JPS49112904A
A range of lubricating oils is produced by splitting a petroleum fraction boiling above 350 DEG C into light and heavy fractions, preferably at a cut point of 400 DEG -500 DEG C treating the light fraction or fractions by catalytic dewax...  

Matches 1,451 - 1,500 out of 1,522