US3584042A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of thiosulfate to formate
Assignee: Consolidation Coal Co
•
Filing: 1969-11-24
•
Granted: 1971-06-08
•
Expires: 1989-11-24
Abstract
Abstract SODIUM, POTASSIUM AND AMMONIUM THIOSULFATES MAY BE CONVERTED TO THE CORRESPONDING FORMATES BY FIRST REDUCING THE THIOSULFATES WITH THE CORRESPONDING FORMATES AT ELEVATED TEMPERATURES TO FORM THE CORRESPONDING CARBONATES, AND THEREAFTER REDUCING THE CARBONATES TO FORMATES, RESPECTIVELY, BY A REDUCING AGENT CONTAINING CO.
Inventors
- 👤 Paul M Yavorsky
- 👤 Everett Gorin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:45
CPC Classifications
C; C01; C01D; C01D7/00; B; B01; B01D; B01D53/00; B01D53/34; B01D53/46; B01D53/48; B01D53/50; B01D53/507; C01B; C01B17/00; C01B17/22; C07; C07C; C07C51/00; C07C51/10
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
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-07 | 1974-12-07 | 1975-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-07 | 1978-12-07 | 1979-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-07 | 1982-12-07 | 1983-06-08 | $7700.00 | Window Closed / Lapsed |