Electrochemical manufacture of aromatic esters
CA 1056763 A · Owner: Basf Aktiengesellschaft · Inventors: Degner, Dieter; Rentzea, Costin; Haufe, Juergen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Electrochemical manufacture of aromatic esters of the naphthalene series by acylation of naphthalene derivatives in an alkanoic acid, wherein the electroylsis is carried out in the presence of a conducting salt of the formula in which R1, R2 and R3 denote hydrogen and/or alkyl and R4 denotes hydrogen or alkyl of from 1 to 6 carbon atoms.
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 June 19, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 19, 1996.
- 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.