Bioconverting microorganism
CA 1214741 A · Owner: Eli Lilly And Company · Inventors: Shreve, Barbara B.; Turner, Jan R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, Improved bioconverting strain of Streptomyces thermotolerans useful in preparing tylosin esters and new antibacterial macrocin or lactanocin ester derivatives of the formula:, wherein R is formyl or hydroxymethyl; R1 is hydrogen acetyl or propionyl; R2 is hydrogen or ;, and R3 is hydrogen, acetyl, propionyl n-butyryl or iso-, valeryl; provided that one of R1 or R3 must be other than hydrogen.
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 December 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 2, 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.