Expired Canadian patentCanada
Process for improvement of the flowability of solid cyanuric chloride
CA 2024800 C · Owner: Lonza Ltd. · Inventors: Skaria, Alexander
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Solid cyanuric chloride obtained by desublimation or prilling is subjected to a shearing stress in a kneader or mixer while heating to a temperature below the melting point so as to improve the flowability of the cyanuric chloride.
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
- Filed September 6, 1990 and granted October 31, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 6, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 6, 2012.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledSeptember 6, 1990
GrantedOctober 31, 2000
Term endedSeptember 6, 2010
Patent numberCA 2024800 C
Classification (IPC)C07D251/28
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.