Low temperature microcrystalline zinc phosphate coatings, compositions, and processes for using and preparing the same
CA 1111207 A · Owner: Heatbath Corporation · Inventors: Jones, William C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Microcrystalline zinc phosphate coatings and compositons for their formation are provided which can be applied, to metals at low temperatures the coating compositions con-, taining as principal ingredients a specific balance of calcium and zinc together with phosphates, nitrates and nitrites. Processes for preparing and using the coating compositions are also provided.
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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 October 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 27, 1998.
- 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.