Inducer factor of t-suppressor cells
CA 1288895 C · Owner: Goldfarb, Marcia F. · Inventors: Goldfarb, Marcia F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A novel thymic factor isolated in purified form from mammalian thymus tissue which induces immature bone marrow cells to differentiate into competent suppressor T-cells (Ts) is described. The novel thymic factor, or inducer of T-suppressor cells (Ts inducer factor) has a molecular, weight in the range of 45,000 to 70,000 daltons as determined by gel filtration, a pI of 6.6 to 7.2 as determined with an ampholine electrofocussing column and is, heat stable up to about 80°C.
Read the whole patent
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 September 10, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 10, 2008.
- 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.