Stable liquid nonaqueous detergent
CA 1315720 C · Owner: Iliff, Robert J. · Inventors: Chen, Loren; Iliff, Robert J.; Peterson, David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
of the Invention, The present invention provides a stable liquid substantially nonaqueous, detergent comprising by weight, percent:, a) 20-90% of a liquid portion which comprises an alkoxylated nonionic surfactant;, b) a solids portion which comprises: (i) 5-50% of a builder;, (ii) 0-20% of an oxidant: said solids being stably suspended in said liquid portion, by means of, c) a phase stabilizing amount of a lower alkylated fused ring polyarylene sulfonate; and, d) 0-5% of a hydrolytic enzyme. Further desirable adjuncts may be added to the liquid compositions of this 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 April 6, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 6, 2010.
- 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.