×

Primate embryonic stem cells

  • US 5,843,780 A
  • Filed: 01/18/1996
  • Issued: 12/01/1998
  • Est. Priority Date: 01/20/1995
  • Status: Expired due to Term
First Claim
Patent Images

1. A purified preparation of primate embryonic stem cells which (i) is capable of proliferation in an in vitro culture for over one year, (ii) maintains a karyotype in which all the chromosomes characteristic of the primate species are present and not noticeably altered through prolonged culture, (iii) maintains the potential to differentiate into derivatives of endoderm, mesoderm, and ectoderm tissues throughout the culture, and (iv) will not differentiate when cultured on a fibroblast feeder layer.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×