Patenton — panteon of patents

(19)

RU

(11)

2 083 583

(13)

C1

(51)

IPC

(21) (22)

Application

94029190/04, 1994-08-03

(22)

Actual filing date

1994-08-03

(45)

Published

1997-07-10

(72)

Inventor

Borshchevskij S.B.Levitina I.S.Ivankovskij V.L.Shabanova E.V.Shafranskij E.L.Katkov I.N.Doroshenko A.N.Suzdal'Tsev N.I.

(73)

Holder

Vserossijskij Nauchno-Issledovatel'Skij Institut Po Pererabotke NeftiAktsionernoe Obshchestvo Neftepererabatyvajushchij Zavod"

METHOD OF PREPARING ANTI-WEAR ADDITIVE FOR LUBRICANT OILS Russian patent published in 1997 - IPC

Abstract RU 2083583 C1

FIELD: lubricant oils. SUBSTANCE: di-(C3-C8)-alkyl dithiophosphate interacts with styrene at molar ratio 1:(0.8-1.2) in presence of alkali catalyst and alifatic alcohol in amount 5-10% based on ester weight at 80-120 C for 1-4 h. Reaction product is then neutralized with zinc oxide at molar ratio 1:(0.05-0.15) and temperature 100 C for 2 h. EFFECT: improved synthetic procedure. 1 tbl

Similar patents RU2083583C1

Title Year Author Number
METHOD FOR PRODUCTION OF MULTIFUNCTIONAL ADDITIVE FOR OILS 1995
  • Borshchevskij S.B.
  • Shabanova E.V.
  • Meshcherin E.M.
  • Levitina I.S.
  • Ivankovskij V.L.
  • Ostrovskaja M.E.
  • Derekh P.A.
  • Blokhinov V.F.
  • Sharov B.A.
  • Gushchin A.I.
  • Gerasimov V.V.
 RU2089599C1
METHOD OF PREPARING MULTIFUNCTIONAL ADDITIVE FOR LUBRICATING OILS 1999
  • Borshchevskij S.B.
  • Levitina I.S.
  • Shabanova E.V.
  • Ivankovskij V.L.
  • Rozhdestvina O.V.
  • Medzhibovskij A.S.
  • Gushchin A.I.
  • Medzhibovskij G.S.
 RU2164517C1
METHOD OF PREPARING LUBRICATING OIL ADDITIVES 2000
  • Borshchevskij S.B.
  • Pokrovskaja V.V.
  • Shkol'Nikov V.M.
  • Ivankovskij V.L.
  • Seraja T.S.
  • Rassadin V.G.
  • Os'Mushnikov A.N.
  • Chernyshev V.P.
  • Vasil'Ev G.G.
  • Shevelev N.N.
 RU2186833C2
OIL FOR TURBOCOMPRESSORS AND FOR AIR-INJECTION DEVICES 1997
  • Dovgopolyj E.E.
  • Shkol'Nikov V.M.
  • Bershtadt Ja.A.
  • Loktaeva N.D.
  • Derevitskij P.V.
  • Sajfullin N.R.
  • Kalimulin M.M.
  • Nigmatulin R.G.
  • Masagutov R.M.
 RU2114157C1
ENGINE OIL 1992
RU2034908C1
METHOD FOR PRODUCING ADDITIVE INTO LUBRICATING OIL 1995
  • Borshchevskij S.B.
  • Belinskaja R.V.
  • Ivankovskij V.L.
  • Orlova E.V.
  • Maslov V.M.
  • Naumov S.A.
  • Burlakov O.B.
 RU2101330C1
MOTOR OIL 1997
  • Evstaf'Ev V.P.
  • Kondrat'Ev V.M.
  • Levin A.Ja.
  • Lisenkov Ju.G.
  • Meshcherin E.M.
  • Monin S.V.
  • Morozova I.A.
  • Reznikov V.D.
  • Shkol'Nikov V.M.
 RU2117033C1
MOTOR OIL 1998
  • Borisov O.V.
  • Karpov I.A.
  • Klimov V.A.
  • Morozova I.A.
  • Reznikov V.D.
  • Shkol'Nikov V.M.
 RU2120960C1
ENGINE OIL 1992
  • Beljanchikov G.P.
  • Belinskaja R.V.
  • Borshchevskij S.B.
  • Degtjarev N.S.
  • Kondrat'Ev V.M.
  • Merzlikin F.N.
  • Morozova I.A.
  • Nikitin A.G.
  • Reznikov V.D.
  • Shkol'Nikov V.M.
  • Shuverov V.M.
 RU2034907C1
ADDITIVE AGENT FOR ENGINE OILS 1993
  • Katrenko T.I.
  • Trofimova G.L.
  • Shafranskij E.L.
  • Shevelev Ju.V.
  • Shor G.I.
  • Dorfman V.P.
  • Likhterov S.D.
  • Minsker Ja.D.
  • Katkov I.N.
  • Doroshenko A.N.
  • Suzdal'Tsev N.I.
  • Pljasunov A.P.
  • Rjauzova I.O.
  • Ivanova O.V.
 RU2035494C1

RU 2 083 583 C1

Authors

Borshchevskij S.B.

Levitina I.S.

Ivankovskij V.L.

Shabanova E.V.

Shafranskij E.L.

Katkov I.N.

Doroshenko A.N.

Suzdal'Tsev N.I.

Dates

1997-07-10—Published

1994-08-03—Filed

read Similar patents