Human pluripotent hematopoietic colony stimulating factor, method of production and use
CA 1340266 C · Owner: Sloan-Kettering Institute For Cancer Research · Inventors: Mertelsmann, Roland; Platzer, Erich; Welte, Karl
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Highly purified pluripotent hematopoietic colony-stimulating factor (pluripotent CSF) a glycoprotein (MW, 19,600) constitutively produced by human tumor cells has been highly purified from low serum-containing conditioned medium to apparent homogeneity. Pluripotent CSF supports the growth of human mixed colonies (CFU-GEMM), granulocyte-macrophage colonies (CFU-GM) early erythroid colonies (BFU-E) and induces differentiation of human leukemic cells. The specific activity of the purified pluripotent CSF in the CFU-GM assay is 1.5 X 10 8 U/mg protein.
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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted December 15, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 2015.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.