Detergent composition containing amine oxide surfactant in the form of agglomerates
CA 2177678 A1 · Owner: Swift, Ronald Allen · Inventors: Swift, Ronald Allen
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A detergent composition in form of agglomerates is provided. The detergent composition contains from about 1 % to 50 % by weight of a detersive surfactant system. The surfactant system itself comprises by weight of the surfactant system, (i) at least about 50 % of amine oxide surfactant, and (ii) less than about 30 % of a linear akylbenzene sulfonate surfactant. Also the detergent composition includes, at least about 1% by weight of a detergency builder to enhance cleaning. The surfactant system and the builder are agglomerated to form detergent agglomerates which are substantially free of phosphates. The surfactants in the detergent composition have improved solubility in an aqueous …
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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 December 7, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 7, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 7, 2016.
- 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.