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(19)

(11)

2 695 717

(13)

(51)

IPC

C23F11/167(2006-01-01)

C23C22/62(2006-01-01)

(21) (22)

Application

2017141891, 2017-11-30

(24)

Start date

2017-11-30

(22)

Actual filing date

2017-11-30

(45)

Published

2019-07-25

(72)

Inventor

Chausov Fedor FedorovichLomova Natalya ValentinovnaReshetnikov Sergej MaksimovichGilmutdinov Faat Zalalutdinovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Udmurtskij Federalnyj Issledovatelskij Tsentr Uralskogo Otdeleniya Rossijskoj Akademii Nauk

METHOD OF APPLYING PROTECTIVE ANTICORROSION COATING ON STEEL ARTICLES AND REAGENT FOR CARRYING OUT SAID METHOD Russian patent published in 2019 - IPC C23F11/167 C23C22/62

Abstract RU 2695717 C2

FIELD: chemistry.

SUBSTANCE: invention relates to anticorrosive surface treatment of steel articles. Method includes treatment of surface of steel items in water solution of reagent, in form of decahydrate of bis(nitrilo-tris-methylenephosphonato-aqua-plumbat (II)) tetrasodium, subsequent drying of articles and heat treatment at temperature of 250–350 °C.

EFFECT: technical result is formation on the surface of steel articles of protective anticorrosive coating.

2 cl, 4 dwg, 1 tbl

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RU 2 695 717 C2

Authors

Chausov Fedor Fedorovich

Lomova Natalya Valentinovna

Reshetnikov Sergej Maksimovich

Gilmutdinov Faat Zalalutdinovich

Dates

2019-07-25—Published

2017-11-30—Filed