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Vagab S Aliev

Sakhib M Aliev

Musa I Rustamov

Vagif B Guseinov

Tofik A Gadzhiev

Novruz I Guseinov

Ramiz G Rizaev

Jury N Bocharov

Vladimir M Zimin

Nazim M Guseinov

Leonid A Oshin

Beniamin G Ter-Sarkisov

Akop A Miramanian

Alekper Bagirovich Suleimanov

Zhalya M Seifullaeva

Lidia P Pilaeva

Khagigat I Abad-Zade

Rashid M Talyshinsky

Rafail S Sverdlov

Shamkhal A Mamedov

Farrukh R Gadzhiev

Dzhavid N Khydyrov

Mansur Ilal Akhmedov, Deceased

Evgeny I Pryanikov

Alish I Mustafaev

Nina G Shkondina

Margarita K Morozova

Vladimir D Lugovskoi

By Zhanna Kulieva, Administrator

Magira A Agaeva

Gabil S Sharifov

Veli S Gadzhi-Kasumov

Rafael S Sverdlov

Lia Vasilievna Malina

By Amina Ismailov, Administrator

Vagif A Nagiev

Arif I Gasanov

Azada D Guseinova

Georgy G Markarian

Medzhid A Mardanov

Ali R Ismailov

Alexandr Davidovich Guterman

By Dzhulietta Ismailova, Administrator

Nuri T Sultanov

Eleonora E Chianurashvili

Ramiz A Dzhabiev

Rustam Gadzhi Ismailova, Deceased

Lemel S Genin

Zemfira A Ismailova

Rasim S Mirzoev

By Elmira Ramazanova, Administrator

Arif A Akhundov

Natalia Borisovna Altman

Pavel Petrovich Galonsky

Rafkhat Shagimardanovich Mingareev

By Ali Ismailova, Administrator

Bagadur K Zeinalov

The process comprises polymerization of liquid pyrolyzates of petroleum hydrocarbons when heating them in the presence of an initiator containing an organic peroxide and a metal salt of an organic acid. Fractions having boiling point of 10.degree. to 190.degree. C. are used as liquid pyrolyzates of petrocarbons.

Process for preparing polymeric petroleum resins

The process for preparing methyl isocyanate includes feeding methyl halide through a reaction mixture at a rate of 0.5 to 3 moles of methyl halide per mole of cyanate per hour, the contact time being 1 to 4 min and a molar ratio of an organic solvent to methyl halide being (3 to 5):1 with subsequent withdrawal of the product out of the reaction zone.

Process for preparing methyl isocyanate

In accordance with the present invention, the process for preparing allyl chloride comprises chlorination of propylene with hydrogen chloride in an upward stream consisting of propylene, hydrogen chloride and a catalyst, i.e. manganese dioxide incorporated in a leaned manganese ore in an amount of 20 to 35% byu weight at a temperature within the range of from 300.degree. to 500.degree. C., concentration of the catalyst in the stream of 130-180 kg/m.sup.3, time of contact between propylene, hydrogen chloride and the catalyst in the stream of 0.2-0.7 sec and a volume ratio between propylene and hydrogen chloride in the stream of 1:3-5 respectively. Then the spent catalyst is separated from the reaction mixture resulting from chlorination, regenerated with oxygen at a temperature of from 500.degree. to 520.degree. C. and recycled to the chlorination process. The process according to the present invention makes it possible to achieve a yield of allyl chloride of up to 81.5 vol. % as calculated for the passed propylene, conversion of propylene of up to 98.0% at a process selectivity of from 80 to 85 vol. %. Furthermore, the process according to the present invention makes it possible to provide a wasteless production of allyl chloride.

Process for preparing allyl chloride

A method for preparing .alpha.-naphthol according to the present invention comprises sulphonation of naphthalene with an equimolar amount of a concentrated sulphuric acid at a temperature ranging from 30.degree. to 85.degree. C. for a period of from 60 to 120 minutes in the presence of acetic anhydride whereafter .alpha.in an amount of from 0.5 to 1.5 mole per mole of naphthalene. The resulting naphthalene-.alpha.-sulphonic acid is fused with an alkali taken in an amount of 3-4 moles per mole of naphthalene-.alpha.-sulphonic acid at a temperature ranging from 180.degree. to 285.degree. C. for a period of from 10 to 30 minutes. The resulting melt consisting of the alkali metal .alpha.-naphtholate and the alkali metal sulphite is mixed with a polar solvent; the resulting mixture is acidified with a mineral acid taken in an amount equimolar relative to the alkali metal .alpha.-naphtholate, whereafter.alpha.-naphthol is separated from the resulting suspension. The method according to the present invention makes it possible to increase the yield of .alpha.-naphthol up to 98% of the theoretical amount and produce .alpha.-naththol with a purity of up to 99.5%.

Method for preparing .alpha.-naphthol

A process for preparing a film-forming composition comprising co-oligomerization of arylalkenes with conjugated dienes at a weight ratio therebetween of from 1:1 to 4:1 respectively, at a temperature within the range of between 60.degree. and 140.degree. C. in a medium of a hydrocarbon solvent in the presence of a co-oligomerization initiator, that is an organic peroxide or an organic hydroperoxide, and a molecular weight control agent. The hydrocarbon solvent is a petroleum fraction boiling within the range of from 160.degree. to 220.degree. C., or a hydrogenate of said petroleum fraction or naphthenic hydrocarbon. The molecular weight control agent is made of products of diene condensation of conjugated dienes with cyclodienes, or a dehydrogenate of said products of diene condensation, or a fraction with a boiling range of from 160.degree. to 220.degree. C. recovered from liquid products gasoline pyrolysis. The process is technologically simple; non-toxic hydrocarbon solvents are used therein. The resulting film-forming composition can be simultaneously used as a synthetic drying oil and as a synthetic varnish. Coatings produced from this composition possess high physico-mechanical characteristics (good drying ability, weather fastness, chemical stability, high adherence, elasticity, mechanical strength, high dielectric properties).

Process for preparing film-forming composition

A method for preparing naphthenic acids consists in that a petroleum fraction is oxidized at a temperature of 135.degree.-140.degree. C. in the presence of catalyst consisting of manganese naphthenate and potassium naphthenate; the obtained mixture of organic oxygen-containing compounds containing naphthenic and hydroxynaphthenic acids is diluted with an organic solvent, and the hydroxynaphthenic acids are precipitated and separated; the solution of the organic oxygen-containing compounds freed from hydroxynaphthenic acids in said organic solvent is treated with an aqueous solution of sodium hydroxide; thus obtained aqueous solution of sodium naphthenates is separated; said aqueous solution of sodium naphthenates is treated with diethyl sulphate at a temperature of 90.degree.-95.degree. C. to isolate ethyl naphthenates from which a fraction of ethyl naphthenate boiling out in a temperature range of 75.degree.-170.degree. C. is separated by rectification in vacuum of 3 mm Hg; the isolated fraction of ethyl naphthenates is treated with an aqueous solution of sodium hydroxide and the end product is isolated by the action of mineral acids.

Method of preparing naphthenic acids

The process for preparing butadiene (divinyl) according to the present invention comprises dehydrogenation of n-butane or a mixture thereof with n-butene at a temperature ranging from 550.degree. to 650.degree. C. in the presence of oxygen, an inert diluent and a catalyst having the following composition, percent by weight:

Process for preparing butadiene (divinyl)

A method for producing fractions of paraffin hydrocarbons of the C.sub.4 -C.sub.7 isostructure, residing in hydroisomerization of a gasoline fraction in the presence of hydrogen on a catalyst at a temperature of 320.degree.-400.degree. C., under a pressure of 20 to 60 atm., a space rate of feeding the gasoline fraction of 1.0-1.5 hour.sup.-1 ; used as a gasoline fraction being a straight run gasoline fraction boiling out within a temperature range of 85.degree.-160.degree. C. or 160.degree.-195.degree. C., or a gasoline fraction of the coking process, boiling out within a temperature range of 35.degree.-85.degree. C. or 43.degree.-170.degree. C.; the above catalyst comprising amorphous nickelalumosilicate and zeolite of the NaY type in the NiCaHY form, in a weight ratio of 60-90:40-10, respectively, the chemical composition of the catalyst being as follows (wt.%): Ni, 7-10; Al.sub.2 O.sub.3, 5-6; SiO.sub.2, 86-80; Ca, 1-2; H, 1-2. The target product obtained has a high octane number, up to 89-90 according to the motor method in a pure form. The method is carried out under relatively mild conditions. It allows utilization of available, easily accessible low-octane gasoline fractions.

Hydroisomerization of gasoline fraction

A process for producing gasoline which comprises cracking of a heavy petroleum feedstock in the presence of an alumino-silicate zeolite-containing catalyst maintained in a condition of an ascending flow at a temperature ranging from 480.degree. to 520.degree. C. and a mass velocity of said feedstock of from 6 to 40 hr.sup.-1 in the direction of said ascending flow with the formation of a reaction mixture containing gasoline, a fraction with a specific gravity of from 0.75 to 0.85 and a fraction with a specific gravity of from 0.85 to 0.95; the resulting reaction mixture is isolated from the catalyst and subjected to separation; said separated fractions are employed as recycle. The fraction with a specific gravity of from 0.75 to 0.85 is subjected to cracking in the presence of said catalyst which is in a condition of an ascending flow at a temperature of from 460.degree. to 520.degree. C. and a mass velocity of said fraction of from 6 to 40 hr.sup.-1 in the direction of said ascending flow. As a result of said cracking a reaction mixture is formed containing gasoline. The reaction mixture is separated from the catalyst and gasoline is recovered therefrom; the fraction with a specific gravity of from 0.85 to 0.95 is subjected to cracking in the presence of said catalyst which is in a condition of an ascending flow at a temperature of from 460.degree. to 520.degree. C. and at a mass velocity of this fraction selected within the range of from 5 to 8 hr.sup.-1 with the formation of a reaction mixture containing gasoline and a fraction with a specific gravity of 0.85 to 0.95; said latter reaction mixture is combined with the reaction mixture obtained from said cracking of a heavy petroleum feedstock and delivered, after separation from the catalyst, to the recovery of gasoline.

Process for producing gasoline

A method of breaking down oil emulsions comprising, in accordance with the invention, heating the oil emulsion to be broken down to a temperature of from 40.degree. to 70.degree.C, preferably from 60.degree. to 65.degree.C, and bubbling air at the rate of from 0.1 to 10 nm.sup.3 per 1 m.sup.3 of the emulsion (preferably from 1 to 4 nm.sup.3 per 1 m.sup.3 of the emulsion) through said heated oil emulsion until total breakdown thereof occurs as a result of oxidation of the natural oil emulsifiers contained therein.

Method of breaking down oil emulsions

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Baku, undefined

Vagab S Aliev