Show metadata Hide metadata

(19)

(11)

2 137 813

(13)

(51)

IPC

(21) (22)

Application

98100514/04, 1998-01-06

(24)

Start date

1998-01-06

(22)

Actual filing date

1998-01-06

(45)

Published

1999-09-20

(72)

Inventor

Sokolov B.G.De Vekki Andrej Vasil'EvichKobzev Ju.P.Mitin N.A.Terekhov A.I.Bol'Shakov V.F.Derjugina L.A.

(73)

Holder

Sokolov Boris GennadievichDe Vekki Andrej Vasil'EvichKobzev Jurij PetrovichMitin Nikolaj AkindinovichTerekhov Anatolij IvanovichBol'Shakov Valentin FilippovichDerjugina Lidija Aleksandrovna

DEPRESSANT FOR PETROLEUM AND PETROLEUM PRODUCTS Russian patent published in 1999 - IPC

Abstract RU 2137813 C1

FIELD: petroleum technology. SUBSTANCE: depressant is supplemented by copolymer based on alkyl acrylates defined by structural formula preliminarily dissolved in aromatic hydrocarbon (35-33%) and then in auxiliary solvent (65-67%). Additive is employed in amounts 0.1-0.3 wt %. EFFECT: by 20 C lowered freezing temperature of high-paraffin hydrocarbons. 2 cl, 2 tbl

Similar patents RU2137813C1

Title	Year	Author	Number
PETROLEUM AND PETROLEUM PRODUCT DEPRESSANT AND METHOD OF PREPARATION THEREOF	2001	Prokop'Ev O.V. Golubenko I.S.	RU2190006C1
PETROLEUM AND PETROLEUM DERIVATIVE ADDITIVES	1996	Oktjabr'Skij F.V. Bezgina A.M. Shapkina L.N. Al'Tergot V.Eh. Gabutdinov M.S. Zajtsev N.F. Kekishev V.A. Romanov N.V. Khusnullin M.G. Cherevin V.F. Jusupov N.Kh.	RU2098459C1
DEPRESSOR ADDITIVE FOR DIESEL FUEL BASED ON COPOLYMERS OF ETHYLENE AND DIESEL FUEL BASED ON SAID ADDITIVE	2014	Raskulova Tatyana Valentinovna Prokhorchenko Irina Mikhajlovna Kanitskaya Lyudmila Vasilevna Fereferov Mikhail Yurevich Tyutrin Evgenij Gennadevich Demina Anastasiya Aleksandrovna Chernigovskaya Marina Alekseevna	RU2599778C2
DEPRESSANT OF COMPLEX ACTION AND PROCEDURE FOR TRANSPORTING WAXY-RESIN AND LOW-WATERED OIL WITH USAGE OF THIS DEPRESSANT	2009	Karamov Rafaehl' Gerusovich Mal'Tseva Inna Ivanovna Chichkanova Tamara Valentinovna Chichkanov Sergej Viktorovich Gabitova Natal'Ja Valer'Evna Khajrullina Rajkhan Burkhanovna Akhmetzhanov Azamat Zineshovich Prashkovich Ehduard Olegovich Petrashov Roman Jaroslavlevich	RU2412233C1
METHOD OF ADDITION AGENT PREPARING TO OILS AND PETROLEUM PRODUCTS	1992	Oktjabr'Skij F.V. Bezgina A.M. Shapkina L.N. Dejneko P.S. Monastyrskij V.N. Jusupov N.Kh. Gabutdinov M.S. Cherevin V.F. Romanov N.V. Al'Tergot V.Eh. Zajtsev N.F.	RU2024591C1
DEPRESSANT	2003	Prozorova I.V. Bondaletov V.G. Kopytov M.A. Loskutova Ju.V. Prikhod'Ko S.I. Antonov I.G. Judina N.V.	RU2242503C1
METHOD FOR PRODUCING DEPRESSANT-DISPERSANT ADDITIVE AND THE DEPRESSANT-DISPERSANT ADDITIVE	2022	Nesyn Georgij Viktorovich Sukhovej Maksim Valerevich Khasbiullin Ilnaz Ilfarovich Maksimovskikh Aleksej Ivanovich Chistyakov Konstantin Andreevich	RU2793326C1
DEPRESSANT FOR PETROLEUM PRODUCTS	2000	Agaev Slavik Gamid Ogly Glazunov A.M.	RU2183657C1
METHOD FOR PRODUCING AND DEPRESSANT AND AN INHIBITOR OF ASPHALT, RESIN AND PARAFFIN DEPOSITS (ARP) USED IN DEPRESSANT-DISPERSANT ADDITIVES FOR OIL	2022	Nesyn Georgij Viktorovich Zverev Fedor Sergeevich Khasbiullin Ilnaz Ilfarovich Maksimovskikh Aleksej Ivanovich Chistyakov Konstantin Andreevich	RU2794111C1
VARIOUS-DESTINATION DEPRESSANT	2004	Prozorova Irina Vital'Evna Bondaletov Vladimir Grigor'Evich Kopytov Mikhail Aleksandrovich Loskutova Julija Vladimirovna Prikhod'Ko Sergej Ivanovich Antonov Igor' Gerasimovich Judina Natal'Ja Vasil'Evna	RU2285034C2

RU 2 137 813 C1

Authors

Sokolov B.G.

De Vekki Andrej Vasil'Evich

Kobzev Ju.P.

Mitin N.A.

Terekhov A.I.

Bol'Shakov V.F.

Derjugina L.A.

Dates

1999-09-20—Published

1998-01-06—Filed