Treatment of permeable membranes
CA 1323475 C · Owner: Giglia, Salvatore · Inventors: Bikson, Benjamin; Giglia, Salvatore
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 method for enhancing the long term performance of gas separation membranes. The permeable membranes are heated at a moderate temperature of from about 50°C to 140°C. Use of this method enables restoration and reclamation of permeable membranes that have suffered degradation in performance in gas separation processes. D-15694
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 October 26, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 26, 2010.
- 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.