Method for producing permeable polymeric membranes
CA 1162708 A · Owner: Yissum Research Development Company Of The Hebrew University Of Jerusale M · Inventors: Baniel, Avraham M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a method for producing permeable polymeric membranes comprising decomposing in, a polymeric matrix, molecular moieties bound to the, polymer or contained in compounds dispersed therein into, smaller, discrete, molecular units whereby the smaller, discrete molecular units which are formed, spontaneously, leave the polymeric matrix and a membrane of defined permeation characteristics is obtained.
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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 28, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 28, 2001.
- 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
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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.