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2 641 919

(13)

(51)

IPC

C01B25/32(2006-01-01)

C01F11/00(2006-01-01)

A61L27/32(2006-01-01)

A61L27/12(2006-01-01)

(21) (22)

Application

2016149876, 2016-12-20

(24)

Start date

2016-12-20

(22)

Actual filing date

2016-12-20

(45)

Published

2018-01-23

(72)

Inventor

Belyaeva Snezhana AleksandrovnaNikolskij Viktor Mikhajlovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Obrazovatelnoe Uchrezhdenie Vysshego Obrazovaniya Gosudarstvennyj Universitet"

METHOD FOR HYDROXIAPATITE OBTAINING Russian patent published in 2018 - IPC C01B25/32 C01F11/00 A61L27/32 A61L27/12

Abstract RU 2641919 C1

FIELD: pharmacology.

SUBSTANCE: to produce hydroxyapatite Ca₁₀(PO₄)₆(HE)₂, 0.2 M solution of ethylenediamine succinic acid is added to an aqueous solution of calcium nitrate at room temperature. An aqueous solution of monoammonium phosphate is added to this mixture, dropwise, at constant stirring. The precipitate is aged for 1 day, filtered and dried.

EFFECT: invention allows to obtain an environmentally friendly product with minimal power consumption and raw material costs.

1 tbl, 2 ex

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RU 2 641 919 C1

Authors

Belyaeva Snezhana Aleksandrovna

Nikolskij Viktor Mikhajlovich

Dates

2018-01-23—Published

2016-12-20—Filed