Patent JPS5223569A successfully refreshed from Google Patents.
JPS5223569A
Expired / Lapsed
JP
⏱️ 0.0 years remaining
Exhaust gas treatment process
Assignee: Teijin Ltd
•
Filing: 1975-08-16
•
Granted: —
•
Expires: 1995-08-16
Abstract
Abstract PURPOSE: A process for more effective removal of NOx, SOx using an aqueous solution of acidic sulfite and sulfite. COPYRIGHT: (C)1977,JPO&Japio
Inventors
- 👤 Yasuo Saji
- 👤 Zenji Makita
- 👤 Minoru Utsuki
Bibliographic Details
Application Number
—
Jurisdiction
JP
Data Source
google_patents
Last Synchronized
2026-11-04 14:26
CPC Classifications
Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
JPS5192780A
Cited
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.