Antibiotics m43a, m43b, m43c and m43d
CA 1237999 A · Owner: Eli Lilly And Company · Inventors: Michel, Karl H.; Hoehn, Marvin M.; Merkel, Kurt E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
New antibiotics M43A, M43B, M43C and M43D new glycopeptide antibiotics of the vancomycin class are produced by fermentation of Nocardia orientalis NRRL 2450, and NRRL 2452. The products have excellent antibacterial activity comparable to that of vancomycin.
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 June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- 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.