US3284990A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical separation of dust
Assignee: Individual
•
Filing: 1963-11-07
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Granted: 1966-11-15
•
Expires: 1983-11-07
Abstract
No abstract record available.
Inventors
- 👤 Orne Nils
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:25
CPC Classifications
B; B03; B03C; B03C3/00; B03C3/01; B03C3/013
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
IN A METHOD FOR THE ELECTRICAL SEPARATION OF DUST FROM A GAS STREAM BETWEEN EMISSION AND PRECIPITATION ELECTRODES IN ORDER TO AVOID A CORONA-EFFECT ON THE PRECIPITATION ELECTRODES, THE IMPROVEMENT WHICH COMPRISES COATING THE DUST PARTICLES WITH AN ELECTRICALLY CONDUCTING FILM CONTAINING PHOSPHOROUS PENTOXIDE IN ORDER TO IMPROVE THE ELECTRICAL CONDUCTIVITY OF THE PRECIPITATED DUST TO ENABLE A DIRECT CURRENT OF GAS IONS FROM THE EMISSION ELECTRODE TO PASS THROUGH THE PRECIPITATED DUST ON THE PRECIPITATION ELECTRODES AND TO REACH THE SURFACE OF THE SAID ELECTRODES.
Claim 2
Dependent Claim
86 words
IN A METHOD FOR THE ELECTRICAL SEPARATION OF DUST FROM A GAS STREAM BETWEEN EMISSION AND PRECIPITATION ELECTRODES IN ORDER TO AVOID A CORONA-EFFECT ON THE PRECIPITATION ELECTRODES, THE IMPROVEMENT WHICH COMPRISES COATING THE DUST PARTICLES WITH AN ELECTRICALLY CONDUCTING FILM CONTAINING PHOSPHOROUS PENTOXIDE IN ORDER TO IMPROVE THE ELECTRICAL CONDUCTIVITY OF THE PRECIPITATED DUST TO ENABLE A DIRECT CURRENT OF GAS IONS FROM THE EMISSION ELECTRODE TO PASS THROUGH THE PRECIPITATED DUST ON THE PRECIPITATION ELECTRODES AND TO REACH THE SURFACE OF THE SAID ELECTRODES.
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) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |