Continuous preparation of aromatic diazonium fluoride salts
CA 1316531 C · Owner: Mallinckrodt, Inc. · Inventors: Lamb, Bruce J.; Stepaniuk, Nickolas J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Disclosed is a process for continuous preparation of aromatic diazonium fluoride salts wherein diazotizable aromatic primary amines are continuously diazotized in a reactor containing a plurality of sequential reaction zones, wherein a portion of the diazotization agent is continuously injected into each of the reaction zones.
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 April 20, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 20, 2010.
- 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.