Stable composition and preparation thereof
CA 1202903 A · Owner: Ribi Immunochem Research, Inc. · Inventors: Cantrell, John L.; Schwartzman, Steven M.; Ribi, Edgar E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stable composition containing cell wall skeleton (CWS) and trehalose dimycolates (TDM) which may be effectively reconstituted after lyophilization. The composition is useful in the treatment of various cancerous tumors without side effects. Also disclosed is a method of producing the composition and a method of treating cancerous tumors using said composition.
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 April 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 2003.
- 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.