Copper electroplating bath including compound with substituted phthalocyanine radical
CA 1163953 A · Owner: Oxy Metal Industries Corporation · Inventors: Combs, Daniel J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A composition and method for electrodepositing ductile, bright, level copper deposits from an aqueous acidic copper plating bath having dissolved therein a brightening amount of a compound comprising a substituted phthalocyanine radical. In accordance with a preferred embodiment the, composition and method further includes in the copper plating bath secondary brightening agents including aliphatic polysulfides and/or organic sulfides and/or polyethers as well as, other known additives for acid copper plating baths.
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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 March 20, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 20, 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.