US3220875A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for decomposing gaseous metal compounds for the plating of particles
Assignee: Huntington Alloys Corp
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Filing: 1961-05-01
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Granted: 1965-11-30
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Expires: 1981-05-01
Abstract
No abstract record available.
Inventors
- 👤 Queneau Paul Etienne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:42
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/28; B01J37/00; B01J37/02; B01J37/0215; B01J37/0221; B01J37/0238; B22; B22F; B22F1/00; B22F1/17; B22F1/18; B22F9/00; B22F9/16; B22F9/30; B22F9/305; C; C22; C22B; C22B5/00; C22B5/02; C22B5/20; C23; C23C; C23C16/00; C23C16/06; C23C16/16; C23C16/44; C23C16/442; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00106; B01J2208/00168; B01J2208/00212; B01J2208/00327; B01J2208/00336; B01J2208/00353; B01J2208/00362; B01J2208/00371; B01J2208/0038; B01J2208/00389; B01J2208/00415; B01J2208/00433; B01J2208/0046; B01J2208/0053; B01J2208/00548; B01J2208/00557; B01J23/00; B01J23/70; B01J23/74; B01J23/755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
163 words
A METHOD FOR DECOMPOSING A METAL CARBONYL VAPOR TO FORM THE METAL OF SAID CARBOXYL WHICH COMPRISES HEATING CORE PARTICLES IN HOT CARBON MONOXIDE GAS TO ABOVE THE DECOMPOSITION TEMPERATURE OF SAID METAL CARBONYL BUT BELOW THE TEMPERATURE AT WHICH CARBON FORMATION WILL OCCUR DURING THE DECOMPOSITION OF SAID METAL CARBONYL TO PROVIDE HEAT FOR DECOMPOSITION OF SAID METAL CARBONYL, GENTLY TUMBLING SAID CORE PARTICLES IN A DECOMPOSITION ZONE AT THAT RATE AT WHICH ATTRITION OF THE PARTICLES BEING TUMBLED IS SUBSTANTIALLY AVOIDED BUT AT WHICH CONTINUOUS NON-SUSPENDED RELATIVE MOVEMENT BETWEEN PARICLES IS INDUCED AND PARTICLE AGGLOMERATION IS PREVENTED, FEEDING VAPOR OF SAID METAL CARBONYL AT BELOW ITS DECOMPOSITION TEMPERATURE THROUGH SAID TUMBLING CORE PARTICLES MAINTAINED IN A DEPTH OF BED REGULATED SUCH THAT SUBSTANTIALLY ALL SAID METAL CARBONYL DECOMPOSES ON AND COATS SAID CORE PARTICLES WITH THE METAL IN SAID CARBONYL, REMOVING GASES OF DECOMPOSITION SUBSTANTIALLY COMPLETELY FREE FROM METAL CARBONYL VAPORS AND WITHDRAWING SAID METAL-COATED CORE PARTICLES FROM SAID DECOMPOSITION ZONE.
Claim 2
Independent Claim
163 words
A METHOD FOR DECOMPOSING A METAL CARBONYL VAPOR TO FORM THE METAL OF SAID CARBOXYL WHICH COMPRISES HEATING CORE PARTICLES IN HOT CARBON MONOXIDE GAS TO ABOVE THE DECOMPOSITION TEMPERATURE OF SAID METAL CARBONYL BUT BELOW THE TEMPERATURE AT WHICH CARBON FORMATION WILL OCCUR DURING THE DECOMPOSITION OF SAID METAL CARBONYL TO PROVIDE HEAT FOR DECOMPOSITION OF SAID METAL CARBONYL, GENTLY TUMBLING SAID CORE PARTICLES IN A DECOMPOSITION ZONE AT THAT RATE AT WHICH ATTRITION OF THE PARTICLES BEING TUMBLED IS SUBSTANTIALLY AVOIDED BUT AT WHICH CONTINUOUS NON-SUSPENDED RELATIVE MOVEMENT BETWEEN PARICLES IS INDUCED AND PARTICLE AGGLOMERATION IS PREVENTED, FEEDING VAPOR OF SAID METAL CARBONYL AT BELOW ITS DECOMPOSITION TEMPERATURE THROUGH SAID TUMBLING CORE PARTICLES MAINTAINED IN A DEPTH OF BED REGULATED SUCH THAT SUBSTANTIALLY ALL SAID METAL CARBONYL DECOMPOSES ON AND COATS SAID CORE PARTICLES WITH THE METAL IN SAID CARBONYL, REMOVING GASES OF DECOMPOSITION SUBSTANTIALLY COMPLETELY FREE FROM METAL CARBONYL VAPORS AND WITHDRAWING SAID METAL-COATED CORE PARTICLES FROM SAID DECOMPOSITION ZONE.
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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) | 1968-11-29 | 1969-05-31 | 1969-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-29 | 1973-05-31 | 1973-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-29 | 1977-05-31 | 1977-11-30 | $7700.00 | Window Closed / Lapsed |