Foam cleaning and brightening composition, and methods
CA 2525205 C · Owner: Ecolab Inc. · Inventors: Smith, Kim R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cleaning composition including a metal bisulfate and metal inorganic salt acid package and at least one surfactant. The cleaning composition can be a one-step wheel cleaner/brightener. The composition preferably contains no HF no bifluoride, no oxalic acid, or other poisonous and highly toxic materials commonly found in both industrial and consumer wheel cleaners. Further the wheel cleaner/brightener composition matches or exceeds the performance of those hazardous formulations and does not damage aluminum wheels even when applied to hot metal. The composition can be a foam composition provided in a foam dispenser. The foam dispenser includes a container and a mechanical foaming head. The …
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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
- Filed November 2, 2005 and granted June 25, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 2, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.