US2754192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conversion of acid sludges
Assignee: Bray Oil Co
•
Filing: 1953-05-21
•
Granted: 1956-07-10
•
Expires: 1973-05-21
Abstract
No abstract record available.
Inventors
- 👤 Ulric B Bray
- 👤 Voorhees Vanderveer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:36
CPC Classifications
C; C05; C05C; C05C3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
THE PROCESS OF NEUTRALIZING SULFURIC ACID SLUDGE CONTAINING DISSOLVED ORGANIC MATTER, WHICH COMPRISES INJECTING A STREAM OF SLUDGE INTO A HIGH VELOCITY JET OF AMMONIA GAS, THEN EXPANDING SAID JET OF AMMONIA GAS AND SLUDGE IN A NEUTRALIZING ZONE TO EFFECT ATOMIZATION AND NEUTRALIZATION OF SAID SLUDGE BY SAID AMMONIA WITH FORMATION OF AMMONIUM SULFATE AND AMMONIUM SALTS OF ORGANIC ACIDS IN FINELY DIVIDED FORM, AND SIMULTANEOUSLY EVAPORATING WATER AND VOLATILE ORGANIC MATTER BY THE HEAT OF THE NEUTRALIZATION.
Claim 2
Dependent Claim
79 words
THE PROCESS OF NEUTRALIZING SULFURIC ACID SLUDGE CONTAINING DISSOLVED ORGANIC MATTER, WHICH COMPRISES INJECTING A STREAM OF SLUDGE INTO A HIGH VELOCITY JET OF AMMONIA GAS, THEN EXPANDING SAID JET OF AMMONIA GAS AND SLUDGE IN A NEUTRALIZING ZONE TO EFFECT ATOMIZATION AND NEUTRALIZATION OF SAID SLUDGE BY SAID AMMONIA WITH FORMATION OF AMMONIUM SULFATE AND AMMONIUM SALTS OF ORGANIC ACIDS IN FINELY DIVIDED FORM, AND SIMULTANEOUSLY EVAPORATING WATER AND VOLATILE ORGANIC MATTER BY THE HEAT OF THE NEUTRALIZATION.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |