Microemulsion all purpose liquid cleaning compositions
CA 1302194 C · Owner: Blanvalet, Claude · Inventors: Loth, Myriam; Blanvalet, Claude; Valange, Baudouin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improvement is described in microemulsion compositions containing an anionic detergent, one of the specified cosurfactants a hydrocarbon ingredient and water which comprises the use of a water-insoluble odoriferous perfume as the essential hydrocarbon ingredient in a proportion sufficient to form either a dilute o/w microemulsion composition containing, by weight 1% to 10% of an, anionic detergent, 2% to 10% of cosurfactant 0.4% to 10% of perfume, and the balance water or a concentrated microemulsion composition containing, by weight 18% to 65% of anionic and nonionic detergent 2% to 30% of cosurfactant, 10% to 50% of perfume and the balance water which upon dilution with water will …
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 June 2, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 2, 2009.
- 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.