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US2848324A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of producing agglomerates highly resistant against heat and/or chemical attack

Assignee: Individual
•
Filing: 1954-04-30
•
Granted: 1958-08-19
•
Expires: 1974-04-30
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Abstract

No abstract record available.

Inventors

  • 👤 Krapf Siegfried

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 17:51
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/05; C22C1/051; C04; C04B; C04B35/00; C04B35/622; C04B35/64; C04B35/65; C04B35/651; C04B35/71

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 129 words
IN PROCESS FOR THE PRODUCTION OF A MOLDED ARTICLE COMPRISING A HOMOGENEOUS AGGLOMERATE OF METAL AND METAL OXIDE FREE OF SLAG AND REGULUS, THE STEPS OF: INTRODUCING AN UNCOMPACTED FINELY DIVIDED REACTION MIXTURE INTO A MOLD, THE MIXTURE CONTAINING AT LEAST ONE PULVERIZED METAL AND AT LEAST ONE PULVERIZED METAL OXIDE CAPABLE OF UNDERGOING WITH EACH OTHER A NONEXPLOSIVE SELF-PROPAGATING EXOTHERMIC REACTION, THE REACTION BEING OF SUCH SPEED AND INTENSITY THAT NO SUBSTANTIAL SEGREGATION OF THE METAL-CONTAINING REACTION PRODUCTS OCCURS, IGNITING THE UNCOMPACTED MIXTURE TO INITIATE THE EXOTHERMIC REACTION, PERMITTING THE REACTION TO PROCEED TO COMPLETION, AND SUBJECTING THE REACTED MIXTURE TO A PRESSURE IN THE ORDER OF SEVERAL HUNDRED KILOGRAMS PER SQUARE CENTIMETER WHILE THE MIXTURE IS HOT TO COMPACT THE MIXTURE AND FORM IT INTO THE MOLD.
Claim 2
Dependent Claim 129 words
IN PROCESS FOR THE PRODUCTION OF A MOLDED ARTICLE COMPRISING A HOMOGENEOUS AGGLOMERATE OF METAL AND METAL OXIDE FREE OF SLAG AND REGULUS, THE STEPS OF: INTRODUCING AN UNCOMPACTED FINELY DIVIDED REACTION MIXTURE INTO A MOLD, THE MIXTURE CONTAINING AT LEAST ONE PULVERIZED METAL AND AT LEAST ONE PULVERIZED METAL OXIDE CAPABLE OF UNDERGOING WITH EACH OTHER A NONEXPLOSIVE SELF-PROPAGATING EXOTHERMIC REACTION, THE REACTION BEING OF SUCH SPEED AND INTENSITY THAT NO SUBSTANTIAL SEGREGATION OF THE METAL-CONTAINING REACTION PRODUCTS OCCURS, IGNITING THE UNCOMPACTED MIXTURE TO INITIATE THE EXOTHERMIC REACTION, PERMITTING THE REACTION TO PROCEED TO COMPLETION, AND SUBJECTING THE REACTED MIXTURE TO A PRESSURE IN THE ORDER OF SEVERAL HUNDRED KILOGRAMS PER SQUARE CENTIMETER WHILE THE MIXTURE IS HOT TO COMPACT THE MIXTURE AND FORM IT INTO THE MOLD.

References Cited (Backward Citations)

US968350A Cited
US1705655A Cited
US2097502A Cited
US2281216A Cited
CH268241A Cited
US2698990A Cited
US2672426A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-08-18 1962-02-17 1962-08-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-08-18 1966-02-17 1966-08-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-08-18 1970-02-17 1970-08-19 $7700.00 Window Closed / Lapsed

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