US3050365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Prevention of formation of incrustations during oxidation of ferric chloride
Assignee: Wyeth Holdings LLC
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Filing: 1959-08-13
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Granted: 1962-08-21
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Expires: 1979-08-13
Abstract
No abstract record available.
Inventors
- 👤 Nelson Earl William
- 👤 Crossley Thomas James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:02
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/01; C01B7/03; C01G; C01G49/00; C01G49/02; C01G49/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
IN THE PRODUCTION OF AN IRON OXIDE AND CHLORINE BY CONTINUOUS COMBUSTION OF AN IRON CHLORIDE WITH OXYGEN IN A REACTOR HAVINGG AN INSIDE DIAMETER IN EXCESS OF FIVE INCHES, THE METHOD OF INHIBITING FORMATION OF INCRUSTATIONS ON AN INTERIOR SURFACE OF SAID REACTOR WHICH COMPRISES MAINTAINING SAID SURFACE AT A TEMPERATURE AT LEAST 10* C. HIGHER THAN THE TEMPERATURE OF THE REACTION MIXUTURE IN CONTACT THEREWITH.
Claim 2
Dependent Claim
67 words
IN THE PRODUCTION OF AN IRON OXIDE AND CHLORINE BY CONTINUOUS COMBUSTION OF AN IRON CHLORIDE WITH OXYGEN IN A REACTOR HAVINGG AN INSIDE DIAMETER IN EXCESS OF FIVE INCHES, THE METHOD OF INHIBITING FORMATION OF INCRUSTATIONS ON AN INTERIOR SURFACE OF SAID REACTOR WHICH COMPRISES MAINTAINING SAID SURFACE AT A TEMPERATURE AT LEAST 10* C. HIGHER THAN THE TEMPERATURE OF THE REACTION MIXUTURE IN CONTACT THEREWITH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-08-20 | 1966-02-19 | 1966-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-20 | 1970-02-19 | 1970-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-20 | 1974-02-19 | 1974-08-21 | $7700.00 | Window Closed / Lapsed |