Quick setting concrete compositions for use as lining construction concrete
CA 1337871 C · Owner: Sandoz Ltd. · Inventors: Matsuo, Shigemi; Nomachi, Hiroshi; Ogawa, Hideo
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cementitious composition comprising, a) cement (hereinafter referred to as component a); b) an admixture containing a polycarboxylate copolymer (the admixture hereinafter being referred to as component b); and c) a quick setting agent or accelerator (hereinafter referred to as component c).
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 2, 1996. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 2, 2013.
- 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.