High efficiency chlorine dioxide production using hc1 as acid
CA 1080434 A · Owner: Erco Industries Limited · Inventors: Fredette, Maurice C.J.; Swindells, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
HIGH EFFICIENCY CHLORINE DIOXIDE, PRODUCTION USING HCl AS ACID ABSTRACT OF THE DISCLOSURE, The efficiency of a low actual hydrogen ion concentration chlorine dioxide producing process in which a chlorate and hydrochloric acid or hydrogen chloride are fed to a reaction medium in a single vessel generator-evaporator crystallizer is increased by the use of small quantities of methanol.
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 July 1, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 1, 1997.
- 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.