US3043652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid bed process for granulating fine-grained materials
Assignee: GEA Group AG
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Filing: 1957-10-10
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Granted: 1962-07-10
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Expires: 1977-10-10
Abstract
No abstract record available.
Inventors
- 👤 Schytil Franz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:01
CPC Classifications
C; C22; C22B; C22B1/00; C22B1/02; C22B1/10; B; B01; B01J; B01J2/00; B01J2/16; B01J8/00; B01J8/18; B01J8/24; B01J8/38; B01J8/384; B01J8/388; C22B1/14; Y; Y10; Y10S; Y10S159/00; Y10S159/03; Y10S264/00; Y10S264/50; Y10S425/00; Y10S425/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A PROCESS FOR GRANULATING FINE GRAIN MATERIALS COMPRISING INTRODUCING FLUIDIZATION GAS THROUGH THE OPEN BOTTOM OF A REACTION CHAMBER HAVING OUTWARDLY DIVERGING WALLS, THE GAS VELOCITY DECREASING IN AN UPWARDLY DIRECTION IN SAID CHAMBER WITHOUT THE GAS BEING SEPARATED FROM SAID WALLS OVER THE MAJOR PORTION OF THE CHAMBER, DROPPING FINE-GRAINED MATERIALS INTO SAID GAS IN SAID CHAMBER TO FORM A DENSE FLUID BED FOR AGGLOMERATING CONDITIONS, SAID MATERIALS BED RESTING SOLELY UPON THE PILLOW OF GAS FORMED BY THE GAS ENTERING SAID CHAMBER, AND RE-
Claim 2
Dependent Claim
86 words
A PROCESS FOR GRANULATING FINE GRAIN MATERIALS COMPRISING INTRODUCING FLUIDIZATION GAS THROUGH THE OPEN BOTTOM OF A REACTION CHAMBER HAVING OUTWARDLY DIVERGING WALLS, THE GAS VELOCITY DECREASING IN AN UPWARDLY DIRECTION IN SAID CHAMBER WITHOUT THE GAS BEING SEPARATED FROM SAID WALLS OVER THE MAJOR PORTION OF THE CHAMBER, DROPPING FINE-GRAINED MATERIALS INTO SAID GAS IN SAID CHAMBER TO FORM A DENSE FLUID BED FOR AGGLOMERATING CONDITIONS, SAID MATERIALS BED RESTING SOLELY UPON THE PILLOW OF GAS FORMED BY THE GAS ENTERING SAID CHAMBER, AND RE-
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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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |