Liquid detergent composition
CA 1109355 A · Owner: Unilever Limited · Inventors: Russell, Peter J.; Augustijn, Govert J.P.; Van De Griend, Jacob A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid detergent composition particularly suitable, for use in the underbuilt region of dosages comprises at, least 10 % by weight of a sodium soap at least 1 % by, weight of an organic synthetic detergent the wieght ratio, of soap to synthetic detergent being 10:1 to 1:1 and at, least 0.1 % by weight of a buffering agent.
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 September 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
- 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.