Patent JPS6344997A successfully refreshed from Google Patents.
JPS6344997A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Immobilizing filter for biological treatment
Assignee: Meidensha Electric Manufacturing Co Ltd
•
Filing: 1987-03-03
•
Granted: —
•
Expires: 2007-03-03
Abstract
Abstract PURPOSE:To perform stable biological treatment by using a substance consisting of a material whose essential component is a calcium phosphate-base substance as an immobilizing filter. CONSTITUTION:A material whose essential component is a calcium phosphate- base substance such as hydroxylapatite, tricalcium phosphate and octacalcium phosphate used as an immobilizing filter. This immobilizing filter is packed in a column and anaerobic treatment by microorganism is performed. Thereby the outflow of microorganism becomes less and the purifying capacity is stabilized.
Inventors
- 👤 Hiroshi Shimazaki
- 👤 弘志 島崎
- 👤 Akira Matsunaga
- 👤 松永 旭
- 👤 Yoshiaki Arai
- 👤 喜明 新井
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-02 15:29
CPC Classifications
Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.