CORROSION INHIBITOR IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS Russian patent published in 2005 - IPC

Abstract RU 2265675 C1

FIELD: protection of metals against acid corrosion with the aid of inhibitors; acid pickling of steel, titanium and indium; acid cleaning of equipment.

SUBSTANCE: proposed inhibitor contains the following components, mass-%: α-naphthal-α-naphthylamine, 17.5-29.0; dimethylamine-4-oxy-5-butyl pyrimidine, 22.9-30.1; urotropin, 59.6-40.9.

EFFECT: enhanced protection of steel, titanium and indium; reduced absorption of hydrogen by steel.

2 tbl, 3 ex

Similar patents RU2265675C1

Title Year Author Number
INHIBITING AGENT FOR INHIBITING CORROSION OF METALS IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS 2006
  • Kravtsov Evgenij Evgen'Evich
  • Burlak Igor' Alekseevich
  • Kas'Janov Roman Olegovich
  • Fomenko Ol'Ga Pavlovna
  • Starkova Natal'Ja Nikolaevna
  • Ogorodnikova Nadezhda Petrovna
  • Gorbachev Semen Aleksandrovich
  • Polovnikov Aleksandr Borisovich
  • Kondratenko Anton Pavlovich
RU2320777C1
METAL CORROSION INHIBITOR IN SULFURIC, CHLORIDE HYDRIDE AND ORTHOPHOSPHORIC ACID 2007
  • Davletov Zaur Rastjamovich
  • Kravtsov Evgenij Evgen'Evich
  • Dolgov Jakov Petrovich
  • Pljuta Marta Valer'Evna
  • Kas'Janov Roman Olegovich
  • Antonova Natal'Ja Aleksandrovna
  • Kondratenko Taisija Sergeevna
RU2352687C1
INHIBITOR OF CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS 2009
  • Vostrikova Dar'Ja Aleksandrovna
  • Burlak Igor' Alekseevich
  • Kravtsov Evgenij Evgen'Evich
  • Masalimova Dina Tel'Zhanovna
  • Starkova Natal'Ja Nikolaevna
  • Aptekar' Mikhail Davydovich
  • Ogorodnikova Nadezhda Petrovna
  • Kondratenko Taisija Sergeevna
RU2418099C1
INHIBITOR FOR CORROSION OF METALS IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACID 2006
  • Kravtsov Evgenij Evgen'Evich
  • Sasonov Ivan Anatol'Evich
  • Dojnikov Roman Aleksandrovich
  • Starkova Natal'Ja Nikolaevna
  • Ogorodnikova Nadezhda Petrovna
  • Limonova Nino Tarielovna
  • Kondratenko Taisija Sergeevna
RU2330123C1
INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS 2009
  • Davletov Zaur Rastjamovich
  • Kravtsov Evgenij Evgen'Evich
  • Aptekar' Mikhail Davydovich
  • Kirillova Dar'Ja Igorevna
  • Golikova Anastasija Andreevna
  • Starkova Natal'Ja Nikolaevna
  • Ogorodnikova Nadezhda Petrovna
  • Kondratenko Taisija Sergeevna
RU2398916C1
INHIBITOR OF METAL CORROSION IN SULPHURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS 2008
  • Kravtsov Evgenij Evgen'Evich
  • Stepkin Aleksej Mikhajlovich
  • Jafarova Anzhela Ranilevna
  • Slobodjan Danila Viktorovich
  • Starkova Natal'Ja Nikolaevna
  • Ogorodnikova Nadezhda Petrovna
  • Kondratenko Anton Pavlovich
RU2385362C1
INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS 2011
  • Kravtsov Evgenij Evgen'Evich
  • Vostrikova Dar'Ja Aleksandrovna
  • Ismailova Faina Gadzhibabaevna
  • Gibadullin Ruslan Faritovich
  • Kitaeva Ehlina Badmaevna
  • Sychev Mikhail Andreevich
  • Kaliev Sultan Garifovich
  • Ogorodnikova Nadezhda Petrovna
  • Starkova Natal'Ja Nikolaevna
  • Kondratenko Taisija Sergeevna
RU2487193C1
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
CORROSION INHIBITOR FOR PROTECTION OF METALS IN SULFURIC, HYDROCHLORIC AND ORTHOPHOSPHORIC ACIDS 2006
  • Kravtsov Evgenij Evgen'Evich
  • Struchin Egor Nikolaevich
  • Dolgov Jakov Petrovich
  • Starkova Natal'Ja Nikolaevna
  • Ogorodnikova Nadezhda Petrovna
  • Limonova Nino Tariehlovna
  • Kondratenko Taisija Sergeevna
RU2296816C1
INHIBITOR OF METAL CORROSION IN SULPHURIC AND HYDROCHLORIC ACIDS 2010
  • Kravtsov Evgenij Evgen'Evich
  • Grakovich Aleksandr Nikolaevich
  • Kochina Ksenija Andreevna
  • Starkova Natal'Ja Nikolaevna
  • Ogorodnikova Nadezhda Petrovna
  • Kaliev Sultan Garifovich
RU2456374C1

RU 2 265 675 C1

Authors

Kravtsov E.E.

Shumeev A.M.

Jankovskij L.S.

Jankovskij D.S.

Starkova N.N.

Kondratenko T.S.

Dates

2005-12-10Published

2004-10-20Filed