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RU92016520A - HYALURONIC ACID FRACTION OR ITS SALT FOR APPLICATION IN OPHTHALMOLOGY, METHOD FOR OBTAINING HYALURONIC ACID AND ITS SALT, PHARMACEUTICAL PREPARATION - Google Patents

HYALURONIC ACID FRACTION OR ITS SALT FOR APPLICATION IN OPHTHALMOLOGY, METHOD FOR OBTAINING HYALURONIC ACID AND ITS SALT, PHARMACEUTICAL PREPARATION

Info

Publication number
RU92016520A
RU92016520A RU92016520/05A RU92016520A RU92016520A RU 92016520 A RU92016520 A RU 92016520A RU 92016520/05 A RU92016520/05 A RU 92016520/05A RU 92016520 A RU92016520 A RU 92016520A RU 92016520 A RU92016520 A RU 92016520A
Authority
RU
Russia
Prior art keywords
hyaluronic acid
salt
ophthalmology
application
pharmaceutical preparation
Prior art date
Application number
RU92016520/05A
Other languages
Russian (ru)
Other versions
RU2128666C1 (en
Inventor
Ромео Аурелио
Лоренци Силвана
Original Assignee
Фидиа С.п.А
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ITPD910077A external-priority patent/IT1247175B/en
Application filed by Фидиа С.п.А filed Critical Фидиа С.п.А
Publication of RU92016520A publication Critical patent/RU92016520A/en
Application granted granted Critical
Publication of RU2128666C1 publication Critical patent/RU2128666C1/en

Links

Claims (1)

Раскрыта высокочистая фракция гиалуроновой кислоты, которая не вызывает воспаления и устраняет послеоперационные осложнения в глазной хирургии. Кроме того, описывается способ получения гиалуроновой кислоты, отличающийся превращением гиалуроновой кислоты в соответствующую четвертичную аммониевую соль и после процедур очистки повторным превращением четвертичной аммониевой соли в натриевую соль гиалуроновой кислоты.A high-purity hyaluronic acid fraction is disclosed that does not cause inflammation and eliminates postoperative complications in eye surgery. In addition, a method for producing hyaluronic acid is described, which is characterized by the conversion of hyaluronic acid to the corresponding quaternary ammonium salt and, after purification procedures, by repeated conversion of the quaternary ammonium salt to the hyaluronic acid sodium salt.
RU92016520A 1991-04-19 1992-04-16 Fraction of hyaluronic acid or its salt, method of purification of this fraction, methods of preparing this fraction, pharmaceutical preparation and agents used in ophthalmology RU2128666C1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITPD910077A IT1247175B (en) 1991-04-19 1991-04-19 PROCEDURE FOR PURIFICATION OF HYALURONIC ACID AND FRACTION OF PURE HYALURONIC ACID FOR OPHTHALMIC USE.
ITP91A000077 1991-04-19
PCT/EP1992/000861 WO1992018543A1 (en) 1991-04-19 1992-04-16 Procedure for the purification of hyaluronic acid and fraction of pure hyaluronic acid for ophthalmic use

Publications (2)

Publication Number Publication Date
RU92016520A true RU92016520A (en) 1996-04-27
RU2128666C1 RU2128666C1 (en) 1999-04-10

Family

ID=11389548

Family Applications (1)

Application Number Title Priority Date Filing Date
RU92016520A RU2128666C1 (en) 1991-04-19 1992-04-16 Fraction of hyaluronic acid or its salt, method of purification of this fraction, methods of preparing this fraction, pharmaceutical preparation and agents used in ophthalmology

Country Status (24)

Country Link
US (1) US5559104A (en)
EP (1) EP0535200B1 (en)
JP (1) JP2580458B2 (en)
KR (1) KR0178544B1 (en)
AT (1) ATE186307T1 (en)
AU (1) AU653022B2 (en)
BR (1) BR9205240A (en)
CA (1) CA2084875C (en)
CZ (1) CZ282248B6 (en)
DE (1) DE69230242T2 (en)
DK (1) DK0535200T3 (en)
ES (1) ES2092971T3 (en)
FI (1) FI104973B (en)
GR (1) GR3032434T3 (en)
HU (1) HU215193B (en)
IL (2) IL101611A (en)
IT (1) IT1247175B (en)
NO (1) NO305520B1 (en)
PL (1) PL168477B1 (en)
RU (1) RU2128666C1 (en)
SG (1) SG46515A1 (en)
SK (1) SK280191B6 (en)
UA (1) UA27229C2 (en)
WO (1) WO1992018543A1 (en)

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