Preparing alkali metal hydroxide by water splitting and hydrolysis
CA 1215019 A · Owner: Allied Corporation · Inventors: Mani, Krishnamurthy N.; Chlanda, Frederick P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A two-compartment water splitter (10 110), having alternating cation (11a, 11h 11c and 11d), and bipolar membranes (12a 12b, 12c and 12d) is used to, remove alkali metal cations from an aqueous alkali metal chloride solution (17, 117) so as to produce an acidified salt solution. The coproduct is a base such as NaOH or KOH. The acidified salt solution (31) may then be fed to a membrane or diaphragm electrolytic cell (30a, 30b, 30c) for production of chlorine and alkali metal hydroxide. (Figure 2)
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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 December 9, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 9, 2003.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.