Expired Canadian patentCanada
Higher molecular weight diols for improved liquid cleaners
CA 1332909 C · Owner: The Procter & Gamble Company · Inventors: Siklosi, Michael Peter
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved liquid cleaner composition comprising: (a) from about 0.1% to about 10% of a surfactant; (b) from about 0.5% to about 25% of a C6-C16 diol; (c) from about 1% to about 30% of a detergency builder; and (d) at least about 60% water.
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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 November 8, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 8, 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.
FiledDecember 19, 1986
GrantedNovember 8, 1994
Term endedNovember 8, 2011
Patent numberCA 1332909 C
Classification (IPC)C11D3/20 +1 more
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.