← Back to Patent Explorer
EP0242270A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Process for making collagen sheets, sheets obtained, and their applications

Assignee: Sanofi Pasteur SA
•
Filing: 1987-04-07
•
Granted: —
•
Expires: 2007-04-07
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A confluent layer of cells intended to colonise collagen is produced and this confluent cell layer is placed in contact with a sheet of collagen in the presence of an appropriate medium, after which the cells are allowed to colonise at least part of the said sheet and to cause a shrinkage of the sheet in thickness alone. Application to the preparation of equivalent dermis and to virus cultivation.

Inventors

  • 👤 Jean-Louis Tayot
  • 👤 Cuc Nguyen

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-22 23:17
CPC Classifications
A; A61; A61L; A61L27/00; A61L27/14; A61L27/22; A61L27/24; A61K; A61K35/00; A61K35/12; A61K35/36; A61L27/50; A61L27/60; C; C12; C12N; C12N5/00; C12N5/0068; A61F; A61F2310/00; A61F2310/00005; A61F2310/00365; C12N2533/00; C12N2533/50; C12N2533/54

Claims Analysis

Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.

References Cited (Backward Citations)

WO1980001350A1 Cited
WO1982003764A1 Cited
EP0080956A2 Cited
WO1983004177A1 Cited

USPTO Annuity & Maintenance Windows

Maintenance schedule is calculated for granted US utility patents.

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag