Process for reducing the acid content of hydroxylamine salt solutions and for preparing hydroxylamines from hydroxylamine salts
CA 2094758 A1 · Owner: Sachem Inc. · Inventors: Sharifian, Hossein
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: PROCESS FOR REDUCING THE ACID CONTENT OF HYDROX- YLAMINE SALT SOLUTIONS AND FOR PREPARING HY- DROXYLAMINES FROM HYDROXYLAMINE SALTS, Abstract of the Disclosure A process is described for reducing the acid content of a solution comprising a hydroxylamine salt and an acid and the process is also useful for, converting a hydroxylamine salt to a hydroxylamine. In one embodiment the process, of the present invention comprises the steps of: (A) providing an electrolysis cell comprising an anolyte compartment containing an anode, a catholyte compartment containing an oxygen-consumingcathode and an anionic membrane divider separating said compartments; (B) providing an aqueous solution …
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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
- Filed April 23, 1993. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 23, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 23, 2015.
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Timeline
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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.