Synthetic peptide analogs of lung surfactant protein sp-c
CA 2191344 C · Owner: Nycomed Germany Holding Gmbh · Inventors: Ulrich, Wolf-Rudiger; Kruger, Uwe; Sturm, Ernst
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The disclosure, concerns novel polypeptides of formula (I) with, lung activity properties. These polypeptides can be produced in large, quantities and in highly pure form and are as, effective as natural lung surfactants. They can be, used in the production of pharmaceutical, composition for the treatment of respiratory, distress syndrome in premature babies and adults. In said formula (I): A represents H or Phe B represents Phe or Trp, and C represents Ile Leu or Ser.
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
- Filed May 27, 1995 and granted April 8, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 27, 2015.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 27, 2017.
- 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.