This patent is a division of application Ser.No. 670,740, filed Feb.6, 1984 which issued on Dec. 22, 1987 as U.S. Pat. No. 4,714,680 and was described below. This patent is similar to 4,714,680 with the exception that the one independent claim in this patent covers in more detail the antibody which is now known to recognize CD34. Inventor: Civin, Curt I. (Baltimore, MD)
This patent covers freezing of cord blood for future use. The patent has one independent claim covering the composition of a cryopreservant, together with viable fetal or neonatal hematopoietic cells. PharmaStem is the successor to Biocyte Corporation, the assignee of this patent. This patent, together with patents 5 192 553, 6 461 645, 6 569 427 and 6 605 275 are used by Pharmastem to...
This patent covers preservation of cord blood cells. It is one of the patents that is actually generating revenue and has stood the test of litigation. Anyone doing cord blood banking in the US has to license this patent.
This patent covers the use of cord blood cells. Any cord blood bank in the US has to license this patent or else Pharmastem will litigate as they have in the past.
This is a patent on freezing cord blood stem cells. This is an important patent since it is generating revenue. The company Pharmastem used this patent and several others in order to position itself in the cord blood industry. Additionally, this patent stood the test of litigation.
This patent provides a composition of cytokines for stimulating hematopoiesis after a bone marrow transplant, as well as for the in vitro stimulation of hematopoiesis. The composition involves B cell differentiation factor and some commonly used cytokines today.