Aluminum cleaner and system
CA 1210661 A · Owner: Amchem Products, Inc. · Inventors: Kelly, Timm L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Processes and alkaline cleaning compositions for treating aluminum containers to prevent off-flavor and off-taste in liquid comestible products with which the containers are filled. The processes involve the use of an aqueous alkaline cleaning solution having the following compositions: Ingredient Quantity, g/l, 1. Alkali metal or ammonium carbonate 0.1 - 0.9 2. Alkali metal or ammonium tripolyphosphate 0.6 - 7.6 (anhydrous), 3. Alkali metal or ammonium tetraborate 0.5 - 6.3 (pentahydrate), 4. Alkali metal or ammonium metasilicate 0.1 - 0.8 (anhydrous), 5. Tri(alkali metal or ammonium) phosphate 0.4 - 5.4 (anhydrous), 6. Alkali metal or ammonium gluconate or 0.1 - 1.3 glucoheptonate, 7. …
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 September 2, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 2, 2003.
- 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.