Drug delivery systems based on hyaluronan, derivates thereof and their salts and methods of producing same
CA 1340199 C · Owner: Larsen, Nancy E. · Inventors: Leshchiner, Adolf; Balazs, Endre A.; Larsen, Nancy E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed are drug delivery systems based on a polymeric component which is soluble or insoluble (cross-linked) hyaluronan or hyaluronan copolymerized with another hydrophil polymer or hylan and one or more substances having biological or pharmacological activity and methods of preparing same.
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 15, 1998. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 2015.
- 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.