Patent CA857353A successfully refreshed from Google Patents.
CA857353A
Expired / Lapsed
CA
⏱️ 0.0 years remaining
Cellulose solution in organic solvents and their compositions with high polymers
Assignee: Tomoegawa Paper Manufacturing Co Ltd
•
Filing: —
•
Granted: 1970-12-01
•
Expires: 1987-12-01
Abstract
No abstract record available.
Inventors
- 👤 Yokoyama Mitsuru
- 👤 Nakagawa Saburo
- 👤 Nakamura Toshio
- 👤 Nakao Osakazu
- 👤 Yamazaki Shigeyuki
- 👤 Amano Takashi
Bibliographic Details
Application Number
—
Jurisdiction
CA
Data Source
google_patents
Last Synchronized
2026-11-06 17:13
CPC Classifications
—
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.