6' carbamate esters of zearalanol and its derivatives
CA 1314045 C · Owner: Pitman-Moore, Inc. · Inventors: Hodge, Edward B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
6' Carbamate esters of zearalanol and its derivatives are used to promote growth in ruminants. The compounds have the structural formula:, wherein R1 and R2 which may be the same or different, are H X, or COX, where X is an alkyl group having from 1-6 carbon atoms; and R is NH-Y, where Y is an alkyl group having from 1-6 carbon atoms a five-membered or six-membered ring; N(CnH2n+1)2, where n is an integer from 1 to 6; or a five-membered or six-membered heterocyclic ring having one N heteroatom and up to one other heteroatom selected from the group consisting on N, S, and O heteroatoms.
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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 March 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 2, 2010.
- 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.