Paint
CA 1281836 C · Owner: Bjarnason, Jon · Inventors: Bjarnason, Jon; Mariusson, Oskar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A paint for outdoor surfaces and surfaces in wet rooms especially for concrete walls exposed to strong weathering contains pigment, binder of which a part is (meth)acrylic polymers and/or copolymers, volatile solvent(s) fillers and, optionally known additives and it is characterized by (a) having a pigment-volume concentration of 47 to 65% preferably 55 to, 60%, (b) containing diatom shells as a part of the filler and, (c) containing one or more oligomeric alkyl-alkoxy-organosiloxanes as part of the continuous binder phase. There is obtained on one hand a high degree of imperviousness to water in the liquid form and on the other hand a high degree of diffussion of aqueous vapour.
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 March 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 19, 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.
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.