US2653078A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal oxide production
Assignee: EIDP Inc
•
Filing: 1951-01-02
•
Granted: 1953-09-22
•
Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Frank W Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:41
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01G23/07; C01B; C01B13/00; C01B13/14; C01B13/20; C01B13/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A MENTIONED FOR PREVENTING METAL OXIDE SCALE DEPOSITION AND BUILD-UP UPON THE SURFACES OF INLETS TO A REACTOR EMPLOYED IN THE VAPOR PHASE OXIDATION AT TEMPERATURES ABOVE 700* C. OF A VOLATILE METAL HALIDE WITH AN OXIDIZING GAS WHICH COMPRISES DURING SAID OXIDIZATING FLOWING OUT OF CONTACT WITH THE REACTANTS A COOLING FLUID ABOUT SAID INLETS TO MAINTAIN THEM IN COOLED STATE AND AT A TEMPERATURE SUBSTANTIALLY BELOW SAID OXIDATION TEMPERATURE BUT ABOVE THE VAPORIZATION TEMPERATURE OF THE HALIDE REACTANT.
Claim 2
Dependent Claim
80 words
A MENTIONED FOR PREVENTING METAL OXIDE SCALE DEPOSITION AND BUILD-UP UPON THE SURFACES OF INLETS TO A REACTOR EMPLOYED IN THE VAPOR PHASE OXIDATION AT TEMPERATURES ABOVE 700* C. OF A VOLATILE METAL HALIDE WITH AN OXIDIZING GAS WHICH COMPRISES DURING SAID OXIDIZATING FLOWING OUT OF CONTACT WITH THE REACTANTS A COOLING FLUID ABOUT SAID INLETS TO MAINTAIN THEM IN COOLED STATE AND AT A TEMPERATURE SUBSTANTIALLY BELOW SAID OXIDATION TEMPERATURE BUT ABOVE THE VAPORIZATION TEMPERATURE OF THE HALIDE REACTANT.
References Cited (Backward Citations)
US1552786A
Cited
US1611074A
Cited
US1967235A
Cited
US2155119A
Cited
US2394633A
Cited
US2445691A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |