Container in the form of a flexible bag for liquids to be lyophilized and a method of utilization of said container
CA 1232549 A · Owner: Bedout, Annie · Inventors: Bedout, Annie
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure, A container in the form of a flexible bag for liquids to be lyophilized has a rigid neck which extends through the envelope of the flexible bag in leak-tight manner. The neck is of large diameter in order to permit discharge of vapor produced at the time of lyophilization of a liquid contained in the bag. The container further comprises means for temporarily separating the two opposite walls of the bag. - i -
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 February 9, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 9, 2005.
- 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.