US3092456A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Iron chloride combustion
Assignee: Wyeth Holdings LLC
•
Filing: 1959-12-23
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Granted: 1963-06-04
•
Expires: 1979-12-23
Abstract
No abstract record available.
Inventors
- 👤 Earl W Nelson
- 👤 Thomas J Crossley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:22
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
49 words
IN THE MANUFACTURE OF IRON OXIDE WHEREIN AN IRON CHLORIDE AND OXYGEN ARE BURNED AT 500*-1000*C. IN A COMBUSTION ZONE IN A CONTINUOUS REACTOR THEREBY FORMING A REACTION PRODUCT CONSISTING ESSENTIALLY OF IRON OXIDE PARTICLES, CHLORINE, UNREACTED OXYGEN, AND UNREACTED IRON CHLORIDE, THE METHOD OF INHIBITING FORMATION OF INCRUSTA-
Claim 2
Dependent Claim
49 words
IN THE MANUFACTURE OF IRON OXIDE WHEREIN AN IRON CHLORIDE AND OXYGEN ARE BURNED AT 500*-1000*C. IN A COMBUSTION ZONE IN A CONTINUOUS REACTOR THEREBY FORMING A REACTION PRODUCT CONSISTING ESSENTIALLY OF IRON OXIDE PARTICLES, CHLORINE, UNREACTED OXYGEN, AND UNREACTED IRON CHLORIDE, THE METHOD OF INHIBITING FORMATION OF INCRUSTA-
References Cited (Backward Citations)
US1992685A
Cited
GB641801A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |