Complex phosphate adsorbent
CA 1324601 C · Owner: Okazaki, Susumu · Inventors: Okazaki, Susumu; Hino, Kuniaki; Endo, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention discloses a phosphate adsorbent comprising an MgO-TiO2 complex as an active ingredient and a phosphate adsorbent having said complex deposited on active carbons. In the preferred embodiments of the present invention, the MgO/TiO2 molar ratio in the complex is in the range of 99.99/0.01 to 80/20, the specific surface area of the adsorbent as measured by BET method is in the range of 50 to 700 m2/g and the adsorbent shows a crystal diffraction pattern of MgO in powder X-ray diffractometry. The phosphate adsorbent according to the present invention is useful as an antihyperphosphoremial agent, an adsorbent for hemoperfusion and a therapeutical agent for renal diseases.
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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 November 23, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 23, 2010.
- 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.