Cleaning composition
CA 1076446 A · Owner: Unilever Limited · Inventors: Hampson, Jeffrey D.; Winterbotham, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved cleaning composition comprising an amine, oxide, an alkylether sulphate casein and optionally other, nonionic detergent compounds and an organophophorus compound. The composition which is free from alkylbenzene sulphonates alkyl sulphonates and alkyl sulphates, has improved draindry properties and improved mildness properties.
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 April 29, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 29, 1997.
- 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.