Patent US3305349A successfully refreshed from Google Patents.
US3305349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making composite materials and resulting products
Assignee: Arthur D Little Inc
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Filing: 1964-03-17
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Granted: 1967-02-21
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Expires: 1984-03-17
Abstract
No abstract record available.
Inventors
- 👤 Bovarnick Bennett
- 👤 Harold W Flood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:20
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/10; C22C1/1026; B; B22; B22F; B22F9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A METHOD OF FORMING A CHEMICALLY HOMOGENEOUS SOLID COMPOSITE PRODUCT, CONSISTING OF THE STEPS OF (A) FORMING A SOLUTION OF MIXED METALLIC SALTS THERMALLY DECOMPOSABLE TO METALLIC OXIDES,; AND (B) INTRODUCING SAID SOLUTION IN THE FORM OF ATOMIZED DROPLETS BENEATH THE SOLID-GAS INTERFACE OF A FLUIDIZED BED TO CAUSE THE SOLUTION DROPLETS TO IMPINGE ON HOT FLUIDIZED BED PARTICLES, THE TEMPERATURE AND SIZE OF SAID PARTICLES BEING SUCH THAT THEY APPLY TO THE ATOMIZED DROPLETS A TERMAL LOAD OF SUFFICIENT MAGNITUDE TO SUBSTANTIALLY INSTANTANEOUSLY AND COMPLETELY DEHYDRATE AND DECOMPOSE SAID SOLUTION BEFORE ANY APPRECIABLE DIFFUSING OF THE INDIVIDUAL COMPONENTS OF THE RESULTING SOLID PRODUCT CAN EFFECT SEGRETATION OF SAID COMPONENTS THEREBY FORMING A SOLID POWDER PARTICLE WHICH IS A CHEMICALLY HOMOGENOUS COMPOSITE OF THE METAL OXIDES FORMED IN SAID DECOMPOSING.
Claim 2
Independent Claim
130 words
A METHOD OF FORMING A CHEMICALLY HOMOGENEOUS SOLID COMPOSITE PRODUCT, CONSISTING OF THE STEPS OF (A) FORMING A SOLUTION OF MIXED METALLIC SALTS THERMALLY DECOMPOSABLE TO METALLIC OXIDES,; AND (B) INTRODUCING SAID SOLUTION IN THE FORM OF ATOMIZED DROPLETS BENEATH THE SOLID-GAS INTERFACE OF A FLUIDIZED BED TO CAUSE THE SOLUTION DROPLETS TO IMPINGE ON HOT FLUIDIZED BED PARTICLES, THE TEMPERATURE AND SIZE OF SAID PARTICLES BEING SUCH THAT THEY APPLY TO THE ATOMIZED DROPLETS A TERMAL LOAD OF SUFFICIENT MAGNITUDE TO SUBSTANTIALLY INSTANTANEOUSLY AND COMPLETELY DEHYDRATE AND DECOMPOSE SAID SOLUTION BEFORE ANY APPRECIABLE DIFFUSING OF THE INDIVIDUAL COMPONENTS OF THE RESULTING SOLID PRODUCT CAN EFFECT SEGRETATION OF SAID COMPONENTS THEREBY FORMING A SOLID POWDER PARTICLE WHICH IS A CHEMICALLY HOMOGENOUS COMPOSITE OF THE METAL OXIDES FORMED IN SAID DECOMPOSING.
References Cited (Backward Citations)
US2677608A
Cited
US2786742A
Cited
US2900244A
Cited
US2893859A
Cited
US3070436A
Cited
US3186102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |