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2 558 084

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(51)

IPC

A61K31/616(2006-01-01)

A61K47/36(2006-01-01)

A61K9/51(2006-01-01)

A61K9/50(2006-01-01)

A61J3/07(2006-01-01)

B01J13/02(2006-01-01)

B82B3/00(2006-01-01)

(21) (22)

Application

2014110343/15, 2014-03-18

(24)

Start date

2014-03-18

(22)

Actual filing date

2014-03-18

(45)

Published

2015-07-27

(72)

Inventor

Krolevets Aleksandr AleksandrovichPokrovskij Mikhail VladimirovichBogachev Il'Ja AleksandrovichPokrovskaja Tat'Jana Grigor'EvnaGudyrev Oleg SergeevichKochkarov Vladimir IskhakievichKorokin Mikhail Viktorovich

(73)

Holder

METHOD OF PRODUCING ASPIRIN NANOCAPSULES IN CARRAGEENAN Russian patent published in 2015 - IPC A61K31/616 A61K47/36 A61K9/51 A61K9/50 A61J3/07 B01J13/02 B82B3/00

Abstract RU 2558084 C1

FIELD: chemistry.

SUBSTANCE: invention relates to nanotechnology, particularly a method of producing aspirin nanocapsules in a carrageenan envelope. The disclosed method includes preparing an aspirin suspension in benzene; dispersing the obtained mixture into a carrageenan suspension in butanol in the presence of an E472c preparation while mixing at 1000 rps; adding tetrachloromethane; filtering the obtained nanocapsule suspension and drying at room temperature.

EFFECT: method provides a simpler and faster process of producing nanocapsules and increases mass output.

1 dwg, 4 ex

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RU 2 558 084 C1

Authors

Krolevets Aleksandr Aleksandrovich

Pokrovskij Mikhail Vladimirovich

Bogachev Il'Ja Aleksandrovich

Pokrovskaja Tat'Jana Grigor'Evna

Gudyrev Oleg Sergeevich

Kochkarov Vladimir Iskhakievich

Korokin Mikhail Viktorovich

Dates

2015-07-27—Published

2014-03-18—Filed