Patent · US Expired

Biomaterial based on collagen and its application

US5654135A · kind A · utility

25Cited by
0References
5Claims
0Family size

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Key dates

Filing dateJun 19, 1995
Grant dateAug 5, 1997
Priority date
Expiry dateJun 19, 2015

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC12N2533/54
  • WIPO fieldPharmaceuticals
  • WIPO sectorChemistry

Abstract

Biomaterial based on collagen comprises, intimately associated, a support forming a dermal substitute, said support comprising a layer based on type IV collagen and an epidermal epithelium having differentiated cells obtained by growing epidermal cells on said support.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.