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US2765330A Expired / Lapsed US ⏱️ 0.0 years remaining

Magnetic control of chemical reactions

Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1952-07-30
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Granted: 1956-10-02
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Expires: 1972-07-30
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Abstract

No abstract record available.

Inventors

  • 👤 Kirshenbaum Isidor

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 12:17
CPC Classifications
B; B01; B01J; B01J8/00; B01J8/18; B01J8/1809; C; C07; C07C; C07C1/00; C07C1/02; C07C1/04; C07C1/0455; C07C1/0475; B01J2208/00; B01J2208/00008; B01J2208/00017; B01J2208/00026; B01J2208/00035; B01J2208/00106; B01J2208/00168; B01J2208/00176; B01J2208/00628; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/745; C07C2527/00; C07C2527/20; C07C2527/22; Y; Y10; Y10T; Y10T436/00; Y10T436/12

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 211 words
THE METHOD OF CONTROLLING A GAS-SOLID REACTION INVOLVING A COMPOSITE SOLID MATERIAL WHICH CONTAINS AN UNKNOWN AMOUNT OF NON-MAGNETIC MATERIAL AND A PLURALITY OF MAGNETIC CONSTITUENTS CHANGING IN THE COURSE OF THE REACTION INTO OTHER MAGNETIC CONSTITUENTS HAVING DIFFERENT CHEMICAL COMPOSITION AND DIFFERERENT CURIE POINTS AND WHEREIN THE AMOUNT OF AT LEAST ONE OF SAID CONSTITUENTS AFFECTS THE COURSE OF THE REACTION, WHICH COMPRISES DETERMINING THE AMOUNT OF SAID CONSTITUENT BY HEATING DIFFERENT PORTIONS OF SAID SOLID TO TEMPERATURES BELOW AND ABOVE THE CURIE POINT TEMPERATURE AT WHICH THE MAGNETIC PROPERTIES OF SAID CONSTITUENT BECOME EXTINGUISHED ON HEATING, MEASURING THE CHANGE IN THE MAGNETIC PROPERTIES OF SAID PORTIONS CORRESPONDING TO THE AMOUNT OF SAID CONSTITUENT AND THE RESPECTIVE PRESENCE AND ABSENCE KNOWN OF MAGNETIC PROPERTIES IN SAID CONSTITUENT AT SAID TEMPERATURES, DETERMINING THEREBY THE AMOUNT AND CHANGES IN AMOUNT OF SAID CONSTITUENT PRESENT, WITHDRAWING SOLID OF UNDESIRABLE COMPOSITION FROM SAID REACTION, REGENERATING SAID WITHDRAWN SOLID TO CHANGE ITS CHEMICAL COMPOSITION, REPLACING SAID REGENERATED SOLID, AND CONTROLLING THE CONDITIONS OF SAID REACTION INCLUDING THE TEMPERATURE AND FEED GAS COMPOSITION AND THE DEGREE OF SOLID REGENERATION AT A RATE DETERMINED BY CHANGES IN THE AMOUNT OF SAID CONSTITUENT PRESENT, THEREBY MAINTAINING THE CONCENTRATION OF SAID CONSTITUENT IN THE SOLID AT THE DESIRED LEVEL.
Claim 2
Independent Claim 211 words
THE METHOD OF CONTROLLING A GAS-SOLID REACTION INVOLVING A COMPOSITE SOLID MATERIAL WHICH CONTAINS AN UNKNOWN AMOUNT OF NON-MAGNETIC MATERIAL AND A PLURALITY OF MAGNETIC CONSTITUENTS CHANGING IN THE COURSE OF THE REACTION INTO OTHER MAGNETIC CONSTITUENTS HAVING DIFFERENT CHEMICAL COMPOSITION AND DIFFERERENT CURIE POINTS AND WHEREIN THE AMOUNT OF AT LEAST ONE OF SAID CONSTITUENTS AFFECTS THE COURSE OF THE REACTION, WHICH COMPRISES DETERMINING THE AMOUNT OF SAID CONSTITUENT BY HEATING DIFFERENT PORTIONS OF SAID SOLID TO TEMPERATURES BELOW AND ABOVE THE CURIE POINT TEMPERATURE AT WHICH THE MAGNETIC PROPERTIES OF SAID CONSTITUENT BECOME EXTINGUISHED ON HEATING, MEASURING THE CHANGE IN THE MAGNETIC PROPERTIES OF SAID PORTIONS CORRESPONDING TO THE AMOUNT OF SAID CONSTITUENT AND THE RESPECTIVE PRESENCE AND ABSENCE KNOWN OF MAGNETIC PROPERTIES IN SAID CONSTITUENT AT SAID TEMPERATURES, DETERMINING THEREBY THE AMOUNT AND CHANGES IN AMOUNT OF SAID CONSTITUENT PRESENT, WITHDRAWING SOLID OF UNDESIRABLE COMPOSITION FROM SAID REACTION, REGENERATING SAID WITHDRAWN SOLID TO CHANGE ITS CHEMICAL COMPOSITION, REPLACING SAID REGENERATED SOLID, AND CONTROLLING THE CONDITIONS OF SAID REACTION INCLUDING THE TEMPERATURE AND FEED GAS COMPOSITION AND THE DEGREE OF SOLID REGENERATION AT A RATE DETERMINED BY CHANGES IN THE AMOUNT OF SAID CONSTITUENT PRESENT, THEREBY MAINTAINING THE CONCENTRATION OF SAID CONSTITUENT IN THE SOLID AT THE DESIRED LEVEL.

References Cited (Backward Citations)

US1321347A Cited
US1188430A Cited
US1697148A Cited
US1952185A Cited
US2235835A Cited
US2360787A Cited
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-10-02 1960-04-02 1960-10-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-10-02 1964-04-02 1964-10-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-10-02 1968-04-02 1968-10-02 $7700.00 Window Closed / Lapsed

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