Process for the production of dialkylperoxydicarbonates
CA 1165326 A · Owner: Peroxid-Chemie Gmbh · Inventors: Appel, Hans; Brossmann, Gottfried
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a process for the continuous production of dialkylperoxydicarbonates of the general formula:-, (I), in which R stands for the same or different straight-, chained, cyclic or branched alkyl radicals containing 6 to 18 carbon atoms, by the continuous reaction of a chloroformic acid ester of the general formula:- (II), wherein R has the above-given meanings in an aqueous, medium with hydrogen peroxide and an alkali metal hydroxide at a temperature of from -10°C. to +50°C. in at least two reaction zones connected one behind the other and continuous isolation of khe dialkylperoxydicarbonate formed from the solvent-free reaction mixture with the use of a centrifuge, …
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 10, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 10, 2001.
- 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.