Hardened product composition and process of producing the same
CA 1094583 A · Owner: Matsushita Electric Works, Ltd. · Inventors: Ichimaru, Kazuto; Murakami, Takeru; Tateno, Kouichi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hardened product composition composed of calcium aluminate sulfate hydrate and at least one of a fibrous material a high molecular weight material, a fatty acid and calcium, silicate as a reinforcing agent and a process of producing the hardened product composition. The hardened product prepared from the composition is quite excellent as building materials.
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 27, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 27, 1998.
- 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.