US2985509A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of recovering metal carbonyls from gases
Assignee: Union Carbide Corp
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Filing: 1958-02-24
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Granted: 1961-05-23
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Expires: 1978-02-24
Abstract
No abstract record available.
Inventors
- 👤 Breining Elmer Robert
- 👤 Wilbur M Bolton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:52
CPC Classifications
C; C01; C01G; C01G1/00; C01G1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
THE PROCESS OF RECOVERING NICKEL CARBONYL IN THE LIQUID FORM FROM THE EXHAUST GASES OF GAS PLATING METALLIZING OPERATIONS, WHICH RECOVERY PROCESS COMPRISES THE STEPS OF: FLOWING THE EXHAUST GASES WITH THE NICKEL CARBONYL THEREIN INTO WATER MAINTAINED AT A TEMPERATURE SUFFICIENT TO CONDENSE THE NICKEL CARBONYL WHILE THE OTHERS OF THE EXHAUST GASES REMAIN UNCONDENSED, SETTLING THE LIQUID CONDENSED NICKEL CARBONYL BY GRAVITY TO SEPARATE THE LIQUID CARBONYL FROM THE WATER, DRAINING THE LIQUID CARBONYL FROM THE WATER, AND THEREAFTER DRYING THE LIQUID CARBONYL TO FREE IT FROM ANY SMALL AMOUNT OF WATER REMAINING ALL WITHOUT DECOMPOSITION OF THE NICKEL CARBONYL.
Claim 2
Dependent Claim
102 words
THE PROCESS OF RECOVERING NICKEL CARBONYL IN THE LIQUID FORM FROM THE EXHAUST GASES OF GAS PLATING METALLIZING OPERATIONS, WHICH RECOVERY PROCESS COMPRISES THE STEPS OF: FLOWING THE EXHAUST GASES WITH THE NICKEL CARBONYL THEREIN INTO WATER MAINTAINED AT A TEMPERATURE SUFFICIENT TO CONDENSE THE NICKEL CARBONYL WHILE THE OTHERS OF THE EXHAUST GASES REMAIN UNCONDENSED, SETTLING THE LIQUID CONDENSED NICKEL CARBONYL BY GRAVITY TO SEPARATE THE LIQUID CARBONYL FROM THE WATER, DRAINING THE LIQUID CARBONYL FROM THE WATER, AND THEREAFTER DRYING THE LIQUID CARBONYL TO FREE IT FROM ANY SMALL AMOUNT OF WATER REMAINING ALL WITHOUT DECOMPOSITION OF THE NICKEL CARBONYL.
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) | 1964-05-22 | 1964-11-21 | 1965-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-22 | 1968-11-21 | 1969-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-22 | 1972-11-21 | 1973-05-23 | $7700.00 | Window Closed / Lapsed |