US2867502A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of ammonium pentaborate and boric oxide from borax
Assignee: Olin Corp
•
Filing: 1954-08-16
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Granted: 1959-01-06
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Expires: 1974-08-16
Abstract
No abstract record available.
Inventors
- 👤 Stange Hugo
- 👤 Sheldon L Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:36
CPC Classifications
C; C01; C01B; C01B35/00; C01B35/08; C01B35/10; C01B35/06; C01B35/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
14 words
A METHOD FOR THE PRODUCTION OF BORIC OXIDE WHICH COMPRISES THERMALLY DECOMPOSING AMMONIUM PENTABORATE.
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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |