Compositions based on polyisocyanates and silicas
CA 1064199 A · Owner: Bayer Aktiengesellschaft · Inventors: Markusch, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Inorganic-organic compositions obtained from a mixture of components comprising:, a) from 5 - 98% by weight of an organic polyisocyanate, b) from 2 - 95% by weight of an aqueous silica sol containing about 20 - 60% by weight of said silica and, c) from 0 - 93% by weight of a water-binding component, based on the total weight of a) b) and c). The products of, the invention may be used in many forms including both porous and non-porous products as surface coatings having good adhesion and resistance to abrasion, as a mortar and as a foam, concrete for making molded products particularly in construction engineering and civil engineering as for building walls igloos, road building and the like.
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 9, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 9, 1996.
- 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.