CA2240682C - Procede de preparation d'une fraction d'acide hyaluronique a faible indice de polydispersite - Google Patents
Procede de preparation d'une fraction d'acide hyaluronique a faible indice de polydispersite Download PDFInfo
- Publication number
- CA2240682C CA2240682C CA002240682A CA2240682A CA2240682C CA 2240682 C CA2240682 C CA 2240682C CA 002240682 A CA002240682 A CA 002240682A CA 2240682 A CA2240682 A CA 2240682A CA 2240682 C CA2240682 C CA 2240682C
- Authority
- CA
- Canada
- Prior art keywords
- hyaluronic acid
- molecular weight
- process according
- average molecular
- acid fraction
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Fee Related
Links
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Procédé de préparation d'une fraction d'acide hyaluronique présentant un poids moléculaire moyen compris entre 5 000 et 300 000, et un indice de polydispersité inférieur à 1,7, consistant à traiter l'acide hyaluronique de poids moléculaire élevé de départ avec de l'hypochlorite de sodium et simultanément avec des ultrasons.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT95PD000244A IT1282219B1 (it) | 1995-12-20 | 1995-12-20 | Processo chimico fisico combinato per la preparazione di frazioni di acido ialuronico a basso peso molecolare caratterizzate da bassa |
ITPD95A000244 | 1995-12-20 | ||
PCT/EP1996/005701 WO1997022629A1 (fr) | 1995-12-20 | 1996-12-19 | Procede de preparation d'une fraction d'acide hyaluronique a faible indice de polydispersite |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2240682A1 CA2240682A1 (fr) | 1997-06-26 |
CA2240682C true CA2240682C (fr) | 2006-02-14 |
Family
ID=35892336
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002240682A Expired - Fee Related CA2240682C (fr) | 1995-12-20 | 1996-12-19 | Procede de preparation d'une fraction d'acide hyaluronique a faible indice de polydispersite |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA2240682C (fr) |
-
1996
- 1996-12-19 CA CA002240682A patent/CA2240682C/fr not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CA2240682A1 (fr) | 1997-06-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKLA | Lapsed |
Effective date: 20121219 |