Nonaqueous liquid nonionic laundry detergent composition and method of use
CA 1330348 C · Owner: Laitem, Leopold · Inventors: Dehan, Louis; Ouhadi, Trazollah; Laitem, Leopold
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid heavy duty laundry detergent composition comprising suspension of builder salt in liquid nonionic surfactant. To improve biodegradability of the composition, the composition contains as a liq nonionic surfactant a propoxylated ethoxylated fatty alkyl alcohol in wh the proplyene oxide groups are adjacent to the alkyl group and the ethyl oxide groups are adjacent to the hydroxy group.
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 21, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 21, 2011.
- 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.