Thickened cleaning and disinfecting compositions
CA 2534889 C · Owner: Fu, Edward · Inventors: Fu, Edward; Cheung, Tak Wai
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a thickened aqueous acidic hard surface cleaning and disinfecting composition with film forming properties which comprises: , one or more nonionic surfactants selected from the group consisting of polyoxyethylene ethers of alkyl aromatic hydroxy compounds polyoxyethylene , ethers , of long chain aliphatic alcohols polyoxyethylene, ethers of hydrophobic propylene , oxide polymers, higher alkyl amine oxides ethoxylated alkyl phenols, and , linear primary alcohol ethoxylates; as the sole nonionic surfactants present; one or more , quaternary ammonium surfactant compounds having germicidal properties; an acid constituent consisting of one or more water soluble …
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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 October 29, 2004 and granted December 18, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 29, 2024.
- 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.