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US3305349A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of making composite materials and resulting products

Assignee: Arthur D Little Inc
•
Filing: 1964-03-17
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Granted: 1967-02-21
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Expires: 1984-03-17
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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

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