Non-flammable aerosol paint compositions
CA 2033885 A1 · Owner: Smrt, Thomas J. · Inventors: Smrt, Thomas J.; Mierzwinski, Walter S.; Smrt, Thomas J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An aerosol composition adapted for providing a continuous film on a substrate upon discharge from a suitable containment means, said composition comprising (a) about 10 to about 30 wt. percent of at least one propellant, (b) about 20 to about 80 wt. percent of water (c) about 2 to about 25 wt. percent of a water-insoluble film-forming polymer, and (d) about 0.1 to about 10 wt. percent of at least one surfactant said composition being, substantially non- flammable upon discharge from the containment means.
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
- Filed January 9, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 9, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 9, 2013.
- 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.