Patent US2858188A successfully refreshed from Google Patents.
US2858188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of perchlorates
Assignee: Olin Corp
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Filing: 1953-02-04
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Granted: 1958-10-28
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Expires: 1973-02-04
Abstract
No abstract record available.
Inventors
- 👤 John F Haller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:46
CPC Classifications
C; C01; C01B; C01B11/00; C01B11/16; C01B11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR THE PRODUCTION OF A PERCHLORATE FROM A CORRESPONDING CHLORATE WHICH COMPRISES REACTING A SOLUTION OF A CHLORATE IN AN AQUEOUS NON-HALOGENIC STRONG MINERAL ACID OF ABOUT 50 TO 70% CONCENTRATION BY WEIGHT WITH OZONE AT A TEMPERATUE OF ABOUT 50* TO 120*C.
Claim 2
Dependent Claim
45 words
A PROCESS FOR THE PRODUCTION OF A PERCHLORATE FROM A CORRESPONDING CHLORATE WHICH COMPRISES REACTING A SOLUTION OF A CHLORATE IN AN AQUEOUS NON-HALOGENIC STRONG MINERAL ACID OF ABOUT 50 TO 70% CONCENTRATION BY WEIGHT WITH OZONE AT A TEMPERATUE OF ABOUT 50* TO 120*C.
References Cited (Backward Citations)
US1141266A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |