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JPS508723B1 |
Waxy oil is dewaxed by shock chilling with prechilled solvent under conditions of agitation sufficient to obtain substantially instantaneous mixing at a plurality of points along the length of a vertical tower wherein the velocity of sol...
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JPS507603B1 |
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JPS5024302A |
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JPS505201B1 |
Lubricating oil fractions are refined, and vaporizable solvents used therefor are vaporzed, condensed, and recovered in a process which comprises the steps of solvent deasphalting to obtain separately a deasphalted oil/ solvent phase and...
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JPS503763B1 |
Lubricating oil of low pour test is produced in a solvent dewaxing process wherein wax-bearing oil is first heated to a temperature above the melting point of the wax contained therein, solvent is admixed with the heated oil, the solvent...
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JPS503762B1 |
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JPS503281B1 |
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JPS503325B1 |
1,154,069. Rotary filter. TEXACO DEVELOPMENT CORP. 20 Nov., 1967 [21 Nov., 1966], No. 52656/67. Heading B1D. [Also in Division C5] An inward flow rotary drum filter used to withdraw precipitated wax from a chilled oilwax-solvent mixture ...
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JPS4946361B1 |
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JPS4946124B1 |
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JPS4946123B1 |
1,274,811. Electrical insulating oils. ESSO RESEARCH & ENG. CO. 27 Jan., 1970 [28 Jan., 1969], No. 3825/70. Headings C5E and C5F. An electrical insulating oil is made by solvent extracting a waxy paraffinic vacuum gas oil fraction having...
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JPS4942882B1 |
A petroleum fraction is distilled to obtain at least a heavy distillate fraction and a light distillate fraction, said heavy fraction is treated with a straight-chain hydrocarbon-consuming micro-organism, which may be a yeast or a bacter...
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JPS49101303A |
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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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JPS4934722B1 |
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JPS4933563B1 |
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JPS4989704A |
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JPS4929926B1 |
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JPS4928642B1 |
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JPS4926922B1 |
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JPS4926043B1 |
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JPS4965394A |
1445593 Hydrocarbon conversion catalyst SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 24 Aug 1973 [25 Aug 1972] 40167/73 Addition to 1337752 Heading BIE [Also in Divisions Cl and C5] Zeolite prepared according to the process of the main ...
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JPS4964607A |
1392159 Dewaxing oils TEXACO DEVELOPMENT CORP 3 Aug 1973 [1 Sept 1972] 37077/73 Heading C5E A process of separating wax from an oil 10 comprises the steps (a) mixing the oil with a dewaxing solvent 11 and a liquid refrigerant 12; (b) red...
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JPS4920724B1 |
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JPS4920602B1 |
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JPS4952805A |
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JPS4947323A |
1385697 Coating urea granules STAMICARBON BV 26 June 1973 [27 April 1972] 19649/72 Addition to 1,288,333 Heading B2E [Also in Division C1] Absorption of moisture by urea granules is reduced by treating the granules with a coating agent c...
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JPS4947266A |
1402196 Wax dispersion HERCULES [NC 22 March 1973 [26 April 1972] 13867/73 Heading B1V [Also in Division C3] A stable aqueous wax dispersion comprises by weight (A) from 1% to 50% wax, (B) from 0.1% to 20% water-soluble thermosettable c ...
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JPS4913486B1 |
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JPS4911243B1 |
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JPS4910964B1 |
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JPS4910802B1 |
1,254,968. Separating straight chain hydrocarbons by adsorption. TEXACO DEVELOPMENT CORP. 28 Oct., 1969 [31 Oct., 1968], No. 52643/69. Heading B1L. [Also in Division C5] Gaseous straight chain hydrocarbons are separated from a petroleum ...
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JPS4910803B1 |
1,254,967. Separating straight chain hydrocarbons. TEXACO DEVELOPMENT CORP. 28 Oct., 1969 [31 Oct., 1968], No. 52642/69. Heading B1L. [Also in Division C5] Straight chain hydrocarbons are separated from a mixture of straight and non-stra...
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JPS492081B1 |
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JPS4842841B1 |
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JPS4890303A |
An improved process for dewaxing petroleum oil stocks. Feed oil, with or without a dewaxing solvent, is both mixed and cooled by direct contact with boiling liquid refrigerant, with required residence time in a vessel containing sufficie...
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JPS4880606A |
The subject invention pertains to a continuous process for the production of aqueous paraffin emulsions. A primary emulsion is first formed by subjecting water and paraffin in admixture with an emulsifier and a portion of recycled primar...
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JPS4880734A |
1412532 Paints containing an antimicrobial agent BAYER AG 11 Jan 1973 [13 Jan 1973] 1518/73 Headings C4A and C5F [Also in Division A5] A method of preserving an aqueous system from microbial attack comprises adding 3- methylol - 2 - thio...
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JPS4833243B1 |
1,237,450. Fuel; lubricating oil. ESSO RESEARCH & ENG. CO. 30 Dec., 1968 [1 April, 1968], No. 61683/68. Headings C5F and C5G. [Also in Division C3] An oil composition comprises a major amount of a distillate petroleum oil or distillate l...
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JPS4865255A |
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JPS4823165B1 |
Polymers of 1,000 to 50,000 and preferably of 1,000 to 2,900 number average molecular weight, comprising 3 to 40 molar proportions of ethylene per molar proportion of an ethylenically unsaturated monomer, are prepared by free radical cat...
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JPS4848506A |
1362469 Separating waxes from oils INSTITUT FRANCAIS DU PETROLE DES CARBURANTS ET LUBRIFIANTS 18 May 1972 [19 May 1971] 23507/72 Headings C5E and C5W Crystallizable paraffins are separated by disposing a charge diluted with a solvent int...
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JPS4842006A |
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JPS4815442B1 |
Copolymers comprising within the range of 40 to 89 wt. percent ethylene, 10 to 40 wt. percent of vinyl ester of C2 to C4 monocarboxylic acid, and 1 to 30 wt. percent of unsaturated ester having a C10 to C22 alkyl group and having number ...
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JPS4814559B1 |
1,179,156. Boron nitride. LONZA-WERKE G.m.b.H. 7 March, 1967 [9 March, 1966; 3 Feb., 1967 (2)], No. 10623/67. Heading C1A. The hexagonal crystalline form of boron nitride is made by mixing an oxygen-containing boron compound with an orga...
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JPS4813922B1 |
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JPS4830710A |
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JPS4812768B1 |
1,226,664. Wax emulsion. MOBIL OIL CORP. 14 May, 1968 [17 May, 1967], No. 22862/68. Heading B1V. [Also in Divisions A5 and C1] A wax emulsion for use in controlling plant transpiration comprises 20% to 65% of a wax phase comprising from ...
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JPS4811802B1 |
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JPS4825003A |
A urea dewaxing process wherein normal paraffins are combined with aqueous urea solution in two, sequential, adduct-forming stages produces high purity normal paraffins. Employing fresh solvent washing of the adduct in both filtering ste...
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