Patent US3382093A successfully refreshed from Google Patents.
US3382093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluidized bed coating of fragile bodies
Assignee: Battelle Development Corp
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Filing: 1965-11-22
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Granted: 1968-05-07
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Expires: 1985-11-22
Abstract
No abstract record available.
Inventors
- 👤 Nack Herman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:21
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/24; B01J8/32; B01J2/00; B01J2/006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A PROCESS FOR COATING FRAGILE BODIES THAT ARE SUBJECTED TO BREAKAGE AND ATTRITION WHEN FLUIDIZED COMPRISING: (A) FORMING A FLUIDIZED BED OF PARTICULATE SOLIDS HAVING AN AVERAGE BED DENSITY THAT IS GREATER THAN SAID FRAGILE BODIES AND AN AVERAGE PARTICLE SIZE THAT IS SMALLER THAN SAID FRAGILE BODIES; (B) INTRODUCING SAID FRAGILE BODIES INTO SAID FLUIDIZED BED SO AS TO FORM A COMPOSITE FLUIDIZED BED; AND (C) INTRODUCING A SPRAY OF SAID COATING MATERIAL INTO SAID COMPOSITE FLUIDIZED BED SO AS TO COAT AND FRAGILE BODIES WITH SAID COATING MATERIAL.
Claim 2
Dependent Claim
90 words
A PROCESS FOR COATING FRAGILE BODIES THAT ARE SUBJECTED TO BREAKAGE AND ATTRITION WHEN FLUIDIZED COMPRISING: (A) FORMING A FLUIDIZED BED OF PARTICULATE SOLIDS HAVING AN AVERAGE BED DENSITY THAT IS GREATER THAN SAID FRAGILE BODIES AND AN AVERAGE PARTICLE SIZE THAT IS SMALLER THAN SAID FRAGILE BODIES; (B) INTRODUCING SAID FRAGILE BODIES INTO SAID FLUIDIZED BED SO AS TO FORM A COMPOSITE FLUIDIZED BED; AND (C) INTRODUCING A SPRAY OF SAID COATING MATERIAL INTO SAID COMPOSITE FLUIDIZED BED SO AS TO COAT AND FRAGILE BODIES WITH SAID COATING MATERIAL.
References Cited (Backward Citations)
US1534846A
Cited
US2586818A
Cited
US2865868A
Cited
US2768095A
Cited
US2870002A
Cited
US3066017A
Cited
US2856351A
Cited
US2987413A
Cited
US3089824A
Cited
US3112220A
Cited
US3202731A
Cited
US3205042A
Cited
US9789034B2
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |