Method of making a fire-resistant translucent layer
CA 1248824 A · Owner: Flachglas Aktiengesellschaft · Inventors: Nolte, Hans-Henning
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A nonflammable layer is made by drying an aqueous alkali metal silicate composition on a substrate in the presence of a drying atmosphere containing at least 30% free oxygen by volume so that the resulting layer remains bubble-free on aging even under intense ultraviolet radiation.
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 January 17, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 17, 2006.
- 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.