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EP0667352A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for the removal of prions in collagens and collagens thus obtained

Assignee: Imedex SA
•
Filing: 1995-01-20
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Granted: —
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Expires: 2015-01-20
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Abstract

Abstract Prodn. of collagen (I) comprises: (i) extracting (I)-contg. tissues; (ii) solubilising (I); (iii) removing tissue and cell debris from the soln.; (iv) treating the filtered soln. under alkaline conditions, and (v) isolating (I) free from the risk of transmitting unconventional transmissible agent (A; prions). Also claimed are: (1) (I) as power or gel prepd. in this way; and (2) biological materials made from this (I).

Inventors

  • 👤 Jean-Louis Tayot
  • 👤 Michel Tardy
  • 👤 Sylvie Uhlrich
  • 👤 Thierry Chignon
  • 👤 Xavier Pouradier-Duteil

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-07 10:58
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/14; A61L27/22; A61L27/24; C; C07; C07K; C07K14/00; C07K14/435; C07K14/78; A61F; A61F2310/00; A61F2310/00005; A61F2310/00365; A61K; A61K38/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

EP0080956A2 Cited
US4511653A Cited
EP0081440A1 Cited
EP0429438A2 Cited
EP0196197A2 Cited
EP0206801A2 Cited
EP0214035A1 Cited
EP0330389A2 Cited

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