Patent Yard Sign in
Expired Canadian patentCanada

Non-flammable air freshener composition

CA 1290696 C · Owner: Reckitt & Colman S.A. · Inventors: Dumas, Sylvie

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

A homogeneous liquid composition for use in air freshening devices comprising 3 to 15% of dimethyl methylphosphonate 1 to, 12% of fragrance, 40 to 65% of organic solvent and 15 to 50% of water (where percentages are percentage by weight of the total composition). The composition is non-flammable in use.

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 October 15, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJuly 17, 1987
GrantedOctober 15, 1991
Term endedOctober 15, 2008
Patent numberCA 1290696 C
Classification (IPC)A61L9/01

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedJuly 17, 1987Patent grantedOct 15, 1991Term endedOct 15, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.