Synthesis of urea cyanurate
CA 1306254 C · Owner: Mason, Robert William · Inventors: Mason, Robert William; Parker, Thomas Clayton
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 process for producing urea cyanurate which comprises reacting an aqueous solution of urea with cyanuric acid at a temperature below the melting point of urea provides reaction conditions which minimize urea decomposltion and are energy efficient. The urea cyanurate product can be used directly in the manufacture of cyanuric acid in a pro¢ess whlch minimizes the build up of scale on the reactor walls. The cyanuric acid product has reduced concentrations of by-products such as ammelide and ammeline.
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 August 11, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 11, 2009.
- 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.