Compositions and methods for the storage of red blood cells
CA 2598366 C · Owner: Greenwalt, Tibor G. · Inventors: Hess, John R.; Greenwalt, Tibor G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides an aqueous composition for storage of red blood cells consisting essentially of: adenine; dextrose; at least one nonmetabolizable membrane-protectant sugar; and a specifically defined pH buffering system. Also provided are improved methods for preserving red blood cells and methods for increasing the viability membrane retention, and , recoverability while suppressing apoptosis hemolysis, and post-reinfusion , clearance of stored red blood cells which utilize the novel compositions.
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 February 17, 2005 and granted June 3, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.