Patenton — panteon of patents

(19)

RU

(11)

2 126 852

(13)

C1

(51)

IPC

(21) (22)

Application

95105266/02, 1995-04-06

(22)

Actual filing date

1995-04-06

(45)

Published

1999-02-27

(72)

Inventor

Kravtsov E.E.Aptekar' M.D.Samedov M.I.-O.Pamfilova Eh.M.Dolinko M.Ju.Chvartatskaja E.V.Kokoulina A.A.

(73)

Holder

Astrakhanskij Gosudarstvennyj Tekhnicheskij Universitet

INHIBITOR AGAINST METAL CORROSION IN SULFURIC AND HYDROCHLORIC ACIDS Russian patent published in 1999 - IPC

Abstract RU 2126852 C1

FIELD: corrosion protection. SUBSTANCE: invention can be applied for etching metals and acid-assisted cleaning of equipment. Inhibitor contains, wt %: amine-aldehyde condensation product Ц furfurylidene-p- nitroaniline, 11.7-14.3; 4 (bis)-4-(dimethylamino)-3-nitrophenyl- (hydroxymethyl)antipyrin, 17.6-28.6; 7-iodo-9-hydroxyquinoline-5- sulfonic acid, 11.7-14.3; and polyethylenepolyamine, 42.8-58.8. EFFECT: improved protection of steel, titanium, and chromium against corrosion and protection of steel against hydrogen charge. 2 tbl

Similar patents RU2126852C1

Title Year Author Number
CORROSION INHIBITOR OF METALS IN SULFURIC AND HYDROCHLORIC ACIDS 2000
  • Kravtsov E.E.
  • Birjukova M.V.
  • Zhuravleva N.N.
  • Starkova N.N.
  • Kaliev S.G.
  • Tarasova A.V.
  • Kondratenko T.S.
 RU2197564C2
INHIBITOR OF METAL CORROSION IN HYDROCHLORIC AND SULFURIC ACIDS 2004
  • Kravtsov Evgenij Evgen'Evich
  • Svetasheva Diana Rafailevna
  • Sukhaeva Ehl'Vira Rinatovna
  • Starkova Natal'Ja Nikolaevna
  • Kaliev Sultan Garifovich
  • Kondratenko Taisija Sergeevna
 RU2291224C2
INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS 2009
  • Kravtsov Evgenij Evgen'Evich
  • Kinzhieva Ehl'Vina Nuritdinovna
  • Aptekar' Mikhail Davydovich
  • Redichkina Aleksandra Maksimovna
  • Shagirov Talgat Valitkhanovich
  • Starkova Natal'Ja Nikolaevna
  • Ogorodnikova Nadezhda Petrovna
 RU2398915C1
INHIBITOR OF METAL CORROSION IN SULPHURIC, HYDROCHLORIC AND SULFAMIC ACIDS 2008
  • Kurochkin Zarif Rafikovich
  • Golyshkin Aleksandr Vladimirovich
  • Kravtsov Evgenij Evgen'Evich
  • Starkova Natal'Ja Nikolaevna
  • Shishmarev Kirill Aleksandrovich
  • Ogorodnikova Nadezhda Petrovna
  • Kondratenko Taisija Sergeevna
 RU2347854C1
CORROSION INHIBITOR OF METALS IN HYDROCHLORIC ACID AND SULFURIC ACID 2002
  • Kravtsov E.E.
  • Mikhajlenko T.A.
  • Paramzin V.V.
  • Starkova N.N.
  • Kaliev S.G.
  • Kondratenko T.S.
 RU2261292C2
CORROSION INHIBITOR FOR PROTECTION OF METALS IN SULFURIC, HYDROCHLORIC AND SULFAMIC ACIDS 2006
  • Kravtsov Evgenij Evgen'Evich
  • Kobozev Artem Igorevich
  • Tajljanov Erzhan Galimzhanovich
  • Chernova Ol'Ga Konstantinovna
  • Kalambetova Ljubov' Sergeevna
  • Ogorodnikova Nadezhda Petrovna
  • Kondratenko Taisija Sergeevna
 RU2296814C1
METAL CORROSION INHIBITOR IN HYDROCHLORIC AND SULFURIC ACID 2000
  • Kravtsov E.E.
  • Golubev S.V.
  • Koplichenko A.S.
  • Starkova N.N.
  • Beskhmel'Nitsyna T.S.
  • Zajnutdinova N.A.
  • Kondratenko T.S.
 RU2247795C2
INHIBITOR OF METAL CORROSION IN SULFURIC AND HYDROCHLORIC ACIDS 1995
  • Kravtsov E.E.
  • Kondratenko T.S.
  • Kaliev S.G.
  • Samedov M.I.
  • Privezentsev A.V.
  • Idiatulin S.A.
  • Kharitonova N.A.
 RU2124070C1
INHIBITOR AGAINST METAL CORROSION IN SULFURIC, HYDROCHLORIC, AND SULFAMIC ACIDS 1995
  • Kravtsov E.E.
  • Starkova N.N.
  • Dutljakova O.S.
  • Ushakova N.M.
  • Kondratenko T.S.
  • Godovikov V.P.
 RU2126851C1
METAL CORROSION INHIBITOR IN SULFURIC AND CHLOR-HYDROGENOUS ACIDS 2007
  • Khomjakova Tat'Jana Aleksandrovna
  • Vostrikova Dar'Ja Aleksandrovna
  • Kravtsov Evgenij Evgen'Evich
  • Gerlov Vladimir Sergeevich
  • Starkova Natal'Ja Nikolaevna
  • Ogorodnikova Nadezhda Petrovna
  • Kondratenko Taisija Sergeevna
 RU2343226C1

RU 2 126 852 C1

Authors

Kravtsov E.E.

Aptekar' M.D.

Samedov M.I.-O.

Pamfilova Eh.M.

Dolinko M.Ju.

Chvartatskaja E.V.

Kokoulina A.A.

Dates

1999-02-27—Published

1995-04-06—Filed

read Similar patents