C16 unsaturated fp-selective prostaglandins analogs
CA 2364948 C · Owner: Duke University · Inventors: Soper, David Lindsey; De, Biswanath; Delong, Mitchell Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides novel PGF analogs. In particular the present invention , relates to compounds having a structure according to formula (I) wherein R1, R2, X and Z are defined below. This invention also includes optical isomers diastereomers and enantiomers of formula (I) and pharamceutically-acceptable , salts biohydrolyzable amides, esters, and imides thereof. The compounds of the present invention are useful for the treatment of a variety of diseases and conditions, such as bone disorders. Accordingly the invention further , provides pharmaceutical compositions comprising these compounds. The invention still further provides methods of treatment for bone disorders using theses …
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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
- Filed February 29, 2000 and granted April 26, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 29, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 1, 2022.
- 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.