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JPS4936923B1 |
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JPS4936924B1 |
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JPS4936925B1 |
A mineral oil composition comprises a major proportion of a mineral base oil and 0.1-10% of a heavy cycle gas oil fraction obtained in the catalytic cracking of a petroleum fraction, the base oil and gas oil having been subjected to trea...
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JPS4934723B1 |
A process for solvent refining lubricating oils comprises concurrently solvent refining at least two hydrocarbon lubricating oil fractions of different viscosities with a solvent effective preferentially to dissolve aromatic hydrocarbon ...
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JPS4933561B1 |
1,205,481. Desulphurizing oil. CHEVRON RESEARCH CO. 6 March, 1968 [10 March, 1967], No. 10981/68. Heading C5E. A process for the production of low sulphur content heavy fuel oil containing not more than 2 weight per cent sulphur from hig...
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JPS4926284B1 |
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JPS4966607A |
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JPS4923571B1 |
Process for obtaining improved lubricating oils, characterized in that it comprises a contact of a lubricating oil fraction with a hydrocracking catalyst under hydrocracking conditions, the hydrocracked oil being subsequently subjected t...
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JPS4920722B1 |
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JPS4920727B1 |
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JPS4939602A |
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JPS496162B1 |
1289160 Catalytic hydrogenation; solvent extraction CITIES SERVICE RESEARCH & DEVELOPMENT CO 13 Nov 1969 [3 Dec 1968] 55681/69 Heading C5E A hydrocarbon feed 11, e.g. vacuum or atmospheric residual oil or a tar sand oil, has its content ...
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JPS4842922B1 |
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JPS4858001A |
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JPS4854107A |
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JPS4854106A |
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JPS4823322B1 |
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JPS4812842B1 |
1,144,102. Isomerizing hydrocarbons. TEXACO DEVELOPMENT CORP. 23 Oct., 1967 [17 Nov., 1966], No. 48032/67. Heading C5E. Isomerizable hydrocarbons, particularly C 1-7 paraffins, containing as impurities oxygen compounds, sulphur compounds...
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JPS4830710A |
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JPS4810363B1 |
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JPS4425667B1 |
Electrical insulating oils are obtained from petroleum feedstocks in a process which includes the step of contacting the feedstock at above 340 DEG to 400 DEG C. in the presence of hydrogen with a sulphur resistant hydrogenation catalyst...
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JPS3618584B1 |
A process for the preparation of an electrical insulating oil comprises selectively hydrogenating a mineral oil in the presence of added hydrogen at 300 to 400 DEG C., 10 to 200 kg./sq.cm., a gas discharge rate of 50 to 5000 1./kg. oil a...
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