Detersive systems with a dispersed aqueous-organic softening agent forhardness removal
CA 1300467 C · Owner: Ecolab Inc. · Inventors: Olson, Keith Edward; Lokkesmoe, Keith D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Detersive systems that can be used to remove soil from fabrics, dishware, flatware, hard surfaces clean-in-place, installations, and other common household institutional or, industrial locations can contain a detergent capable of removing soil and a softening agent dispersed in the detergent comprising droplets having an exterior organic phase containing a complexing agent and an inner aqueous phase comprising an acid. The softening agent can adequately remove hardness ions from the detersive system made from the compositions of the invention.
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 May 12, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 12, 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.