Patenton — panteon of patents

(19)

RU

(11)

2 078 095

(13)

C1

(51)

IPC

(21) (22)

Application

94015396/04, 1994-04-27

(22)

Actual filing date

1994-04-27

(45)

Published

1997-04-27

(72)

Inventor

Lebedev N.A.Judina T.V.Tudrij G.A.Tsvetkova E.V.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Neftepromyslovoj Khimii

GLYCOL-BASE BLOCK-COPOLYMER OF PROPYLENE- AND ETHYLENE OXIDES AS DEMULSIFIER OF AN AQUEOUS-PETROLEUM EMULSION EXHIBITING CAPABILITY TO PREVENT ASPHALTENE-RESIN-PARAFFIN DEPOSITS AND PROTECTION AGAINST CORROSION AND DEMULSIFIER BASED ON THEREOF Russian patent published in 1997 - IPC

Abstract RU 2078095 C1

FIELD: chemistry of polymers. SUBSTANCE: product: compound of the formula (I): $$$ where: R - $$$; 2m = 59-64; 2n = 34-38. Demulsifier has block-copolymer of the formula (I) $$$ and organic solvent. EFFECT: enhanced effectiveness of copolymer. 2 cl, 7 tbl

Similar patents RU2078095C1

Title Year Author Number
METHOD OF PREPARING DEMULSIFIER ABLE TO PREVENT ASPHALTENE-RESIN-PARAFFIN DEPOSITION AND CORROSION 1994
  • Lebedev N.A.
  • Judina T.V.
  • Khlebnikov V.N.
  • Eganov V.F.
  • Tudrij G.A.
 RU2065455C1
COMPOSITION FOR DEHYDRATION AND DESALTING OF CRUDE OIL AND FOR PROTECTION OF OIL-FIELD EQUIPMENT AGAINST ASPHALTENE-TAR-PARAFFIN DEPOSITS 1998
  • Tudrij G.A.
  • Varnavskaja O.A.
  • Khvatova L.K.
  • Judina T.V.
  • Tuzova V.B.
  • Lebedev N.A.
 RU2126030C1
ETHYLENE- AND PROPYLENE OXIDE BLOCK COPOLYMER BASED ON PENTAERYTHRITE AS DEEMULSIFIER OF WATER-PETROLEUM EMULSION, METHOD FOR PRODUCTION THEREOF AND DEEMULSIFIER BASED ON THE SAME 2006
  • Solodov Vasilij Aleksandrovich
  • Varnavskaja Ol'Ga Anatol'Evna
  • Lebedev Nikolaj Alekseevich
  • Khvatova Ljudmila Konstantinovna
  • Fakhrutdinov Bulat Revovich
 RU2306322C1
METHOD OF PREPARING DEMULSIFIER FOR DESTROYING WATER-OIL EMULSIONS 1999
  • Lebedev N.A.
  • Judina T.V.
  • Khlebnikov V.N.
  • Varnavskaja O.A.
  • Jusupov N.Kh.
  • Gabutdinov M.S.
  • Gusev Ju.V.
  • Romanov N.V.
  • Gabov V.A.
  • Evdokimov G.M.
  • Maevskij I.I.
 RU2152422C1
COMPOSITION FOR DESTRUCTING AQUEOUS OIL EMULSION, PROTECTION OF OIL PRODUCTION EQUIPMENT FROM CORROSION AND PREVENTION OF ASPHALTENE-RESIN-PARAFFIN DEPOSITIONS (VARIANTS) 1994
  • Lebedev N.A.
  • Tuzova V.B.
  • Tudrij G.A.
  • Trofimov L.V.
  • Merechina M.M.
 RU2096438C1
METHOD OF DESTRUCTING WATER-IN-OIL EMULSIONS, PROTECTION OF OIL FIELD EQUIPMENT FROM CORROSION, AND ASPHALTENE- RESIN-PARAFFINE DEPOSITS 1999
  • Varnavskaja O.A.
  • Khvatova L.K.
  • Lebedev N.A.
  • Khlebnikov V.N.
  • Katkova N.B.
  • Orlova L.N.
 RU2140961C1
COMPOSITION FOR DEHYDRATION AND DESALTING OF CRUDE OIL AND PROTECTION OF OIL-FIELD EQUIPMENT AGAINST ASPHALTENE-TAR-PARAFFIN DEPOSITS AND CORROSION 1998
  • Tudrij G.A.
  • Varnavskaja O.A.
  • Khvatova L.K.
  • Katkova N.B.
  • Orlova L.N.
  • Judina T.V.
 RU2125587C1
COMPOSITION FOR DESTRUCTION OF WATER-OIL EMULSION AND PROTECTION OF OIL-FUEL EQUIPMENT AGAINST ASPHALTENE-TAR-PARAFFIN DEPOSITS 1999
  • Lebedev N.A.
  • Varnavskaja O.A.
  • Khvatova L.K.
  • Tuzova V.B.
  • Trofimov L.V.
  • Rakhmatullin Z.G.
 RU2152424C1
COMPOSITION FOR DEHYDRATION AND DESALTING OF CRUDE OIL AND PROTECTION OF EQUIPMENT AGAINST ASPHALTENE-TAR-PARAFFIN DEPOSITS 1999
  • Varnavskaja O.A.
  • Khvatova L.K.
  • Orlova L.N.
  • Fakhrutdinov B.R.
  • Lebedev N.A.
  • Khlebnikov V.N.
 RU2150487C1
DEEMULSIFIER FOR DESTRUCTION OF AQUEOUS PETROLEUM EMULSIONS 1999
  • Varnavskaja O.A.
  • Khvatova L.K.
  • Lebedev N.A.
  • Khlebnikov V.N.
  • Katkova N.B.
 RU2141502C1

RU 2 078 095 C1

Authors

Lebedev N.A.

Judina T.V.

Tudrij G.A.

Tsvetkova E.V.

Dates

1997-04-27—Published

1994-04-27—Filed

read Similar patents