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US2750266A Expired / Lapsed US ⏱️ 0.0 years remaining

Catalytic reactor for hydrocyanic acid production

Assignee: Chemical Construction Corp
•
Filing: 1954-06-25
•
Granted: 1956-06-12
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Expires: 1974-06-25
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Abstract

No abstract record available.

Inventors

  • 👤 Edward S Roberts
  • 👤 Oscar F Wiedeman
  • 👤 Strelzoff Samuel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 14:28
CPC Classifications
C; C01; C01C; C01C3/00; C01C3/02; C01C3/0208; C01C3/0212; C01C3/022; C01C3/0225; B; B01; B01J; B01J12/00; B01J12/007; B01J4/00; B01J4/001; B01J2219/00; B01J2219/00049; B01J2219/00051; B01J2219/0015; B01J2219/00155

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 225 words
A CATALYTIC REACTOR ADAPTED FOR THE PRODUCTION OF HYDROCYANIC ACID HAVING IN COMBINATION: A VERTICALLY-POSITIONED, ELONGATED, METAL CASING; A HORIZONTAL FLAT CATALYST GUAZE DIVIDING MEANS WHEREBY THE SPACE BETWEEN THE CASING IS VERTICALLY POSITIONED INTO AN UPPER GAS CHAMBER AND A LOWER COMBUSTION CHAMBER, SAID CHAMBER CONSISTING OF REFRACTORY CERAMIC SEGMENTS OF SUITABLE ARC POSITIONED SYMMETRICALLY ABOUT THE VERTICAL AXIS OF SAID CASING; SAID CATALYST GAUZE BEING MOUNTED BETWEEN SAID REFRACTORY CERAMIC SEGMENTS AT THE CIRCUMFERENCE THEREOF; A SUPPORT STRUCTURE FOR SAID CATALYST GAUZE, SAID STRUCTURE COMPRISING A PLURALITY OF PARALLEL NICKEL-CHROMIUM-IRON ALLOY STRIPS AND CARBORUNDUM BARS OF UNIFORM CROSS-SECTION WHEREIN THE CATALYST, NICKEL-CHROMIUM-IRON ALLOY STRIPS, AND CARBORUNDUM BARS REPOSE ON EACH OTHER RESPECTIVELY, AND WHEREIN THE CARBORUNDUM BARS ARE FURTHER SUPPORTED BY A HOLLOW, SILICA COVERED BEAM; MEANS FOR COOLING SAID BEAM; A SINGLE GAS INLET PORT IN SAID GAS CHAMBER, SAID PORT HAVING A SYMMETRICALLY ENLARGED OPENING AT ITS UPPERMOST GAS CHAMBER AND MEANS FOR COOLING THE GAS CHAMBER; A BAFFLE POSITIONED BETWEEN THE INLET GAS PORT AND THE HORIZONTAL DIVIDING MEANS; A DISTRIBUTOR PLATE POSITIONED BETWEEN THE DIVIDING MEANS AND SAID BAFFLE, ADAPTED TO PROVIDE FOR PARALLEL FLOW OF GASES; A REFRACTORY CERAMIC LINING IN SAID COMBUSTION CHAMBER CONSISTING OF A PLURALITY OF SUPERIMPOSED REFRACTORY CERAMIC ANNULI; AND A GAS OUTLET IN THE COMBUSTION CHAMBER MOST REMOTE FROM SAID GAS INLET PORT.
Claim 2
Dependent Claim 225 words
A CATALYTIC REACTOR ADAPTED FOR THE PRODUCTION OF HYDROCYANIC ACID HAVING IN COMBINATION: A VERTICALLY-POSITIONED, ELONGATED, METAL CASING; A HORIZONTAL FLAT CATALYST GUAZE DIVIDING MEANS WHEREBY THE SPACE BETWEEN THE CASING IS VERTICALLY POSITIONED INTO AN UPPER GAS CHAMBER AND A LOWER COMBUSTION CHAMBER, SAID CHAMBER CONSISTING OF REFRACTORY CERAMIC SEGMENTS OF SUITABLE ARC POSITIONED SYMMETRICALLY ABOUT THE VERTICAL AXIS OF SAID CASING; SAID CATALYST GAUZE BEING MOUNTED BETWEEN SAID REFRACTORY CERAMIC SEGMENTS AT THE CIRCUMFERENCE THEREOF; A SUPPORT STRUCTURE FOR SAID CATALYST GAUZE, SAID STRUCTURE COMPRISING A PLURALITY OF PARALLEL NICKEL-CHROMIUM-IRON ALLOY STRIPS AND CARBORUNDUM BARS OF UNIFORM CROSS-SECTION WHEREIN THE CATALYST, NICKEL-CHROMIUM-IRON ALLOY STRIPS, AND CARBORUNDUM BARS REPOSE ON EACH OTHER RESPECTIVELY, AND WHEREIN THE CARBORUNDUM BARS ARE FURTHER SUPPORTED BY A HOLLOW, SILICA COVERED BEAM; MEANS FOR COOLING SAID BEAM; A SINGLE GAS INLET PORT IN SAID GAS CHAMBER, SAID PORT HAVING A SYMMETRICALLY ENLARGED OPENING AT ITS UPPERMOST GAS CHAMBER AND MEANS FOR COOLING THE GAS CHAMBER; A BAFFLE POSITIONED BETWEEN THE INLET GAS PORT AND THE HORIZONTAL DIVIDING MEANS; A DISTRIBUTOR PLATE POSITIONED BETWEEN THE DIVIDING MEANS AND SAID BAFFLE, ADAPTED TO PROVIDE FOR PARALLEL FLOW OF GASES; A REFRACTORY CERAMIC LINING IN SAID COMBUSTION CHAMBER CONSISTING OF A PLURALITY OF SUPERIMPOSED REFRACTORY CERAMIC ANNULI; AND A GAS OUTLET IN THE COMBUSTION CHAMBER MOST REMOTE FROM SAID GAS INLET PORT.

References Cited (Backward Citations)

US1427554A Cited
US1270989A Cited
US2584080A Cited
US2607663A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-06-12 1959-12-12 1960-06-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-06-12 1963-12-12 1964-06-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-06-12 1967-12-12 1968-06-12 $7700.00 Window Closed / Lapsed

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