Method of coating geological formations as well as air and fire barriers
CA 1195189 A · Owner: Bayer Ag · Inventors: Esser, Heins; Cornely, Wolfgang; Schmidt, Rudolf
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Coating of geological formations as well as air- and fire barriers is performed by providing aqueous rubber or rubberlike dispersions and spraying the dispersions via separate conduits simultaneously with a dry hydraulic binding medium by a, pressure air onto an object to be coated. An inert filling material can be added to the hydraulic binding medium and a, tenside can be added to the dispersions.
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, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 15, 2002.
- 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.