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US3154381A Expired / Lapsed US ⏱️ 0.0 years remaining

Progressive melting and crystallization of synthetic mica

Assignee: Individual
•
Filing: 1959-04-20
•
Granted: 1964-10-27
•
Expires: 1979-04-20
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Abstract

No abstract record available.

Inventors

  • 👤 Haskiel R Shell
  • 👤 Norman A Pace

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 10:25
CPC Classifications
C; C30; C30B; C30B13/00; C30B29/00; C30B29/10; C30B29/34

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 187 words
A METHOD OF PRODUCING A CRYSTALLINE FORM OF A MINERAL COMPOSITION WHICH COMPRISES ESTABLISHING A BATCH OF PARTICULATE STARTING REACTANT COMPOUNDS BY SUPPORTING SAID BATCH OF REACTANT COMPOUNDS IN AN ENCLOSURE TO FORM AN AGGREGATE MASS OF PARTICULATE REACTANT MATERIALS, HEATING AN INITIAL PORTION OF SAID BATCH OF REACTANT COMPOUNDS WITHIN THE INTERIOR OF SAID AGGREGATE MASS TO FORM BY A CHEMICAL REACTION A MOLTEN MASS OR MELT OF SAID MINERAL COMPOSITION SURROUNDED BY SINTERED REACTION COMPOUNDS AND UNFUSED REACTANT COMPOUNDS, SAID MOLTEN MASS BEING CONFINED TO A MELTING ZONE WITHIN SAID AGGREGATE MASS, PROGRESSIVELY PASSING THE MELTING ZONE THROUGH THE BATCH OF REACTANT MASS OR MELT, AND INTERNALLY HEATING A SECOND PORTION OF SAID BATCH OF REACTANT COMPOUNDS CONSTITUTING SINTERED AND UNFUSED REACTANT COMPOUNDS ADJACENT SAID COOLING MASS, AND REPEATING THE STEPS OF HEATING AND COOLING SUCCESSIVE ADJACENT FURTHER PORTIONS OF THE REACTANT COMPOUNDS OF SAID BATCH TO FORM SUCCEEDING MOLTEN AND SUBSEQUENTLY COOLED MASSES WITHIN SAID AGGREGATE MASS WHEREBY THE CONCOMITANT SUCCESSIVE SERIES OF HEATED AND COOLED MELTS FORMED WITHIN THE INTERIOR OF THE AGGREGATE MASS OF REACTANT COMPOUNDS CRYSTALLIZES TO PRODUCE RELATIVELY LARGE CRYSTALS.
Claim 2
Independent Claim 187 words
A METHOD OF PRODUCING A CRYSTALLINE FORM OF A MINERAL COMPOSITION WHICH COMPRISES ESTABLISHING A BATCH OF PARTICULATE STARTING REACTANT COMPOUNDS BY SUPPORTING SAID BATCH OF REACTANT COMPOUNDS IN AN ENCLOSURE TO FORM AN AGGREGATE MASS OF PARTICULATE REACTANT MATERIALS, HEATING AN INITIAL PORTION OF SAID BATCH OF REACTANT COMPOUNDS WITHIN THE INTERIOR OF SAID AGGREGATE MASS TO FORM BY A CHEMICAL REACTION A MOLTEN MASS OR MELT OF SAID MINERAL COMPOSITION SURROUNDED BY SINTERED REACTION COMPOUNDS AND UNFUSED REACTANT COMPOUNDS, SAID MOLTEN MASS BEING CONFINED TO A MELTING ZONE WITHIN SAID AGGREGATE MASS, PROGRESSIVELY PASSING THE MELTING ZONE THROUGH THE BATCH OF REACTANT MASS OR MELT, AND INTERNALLY HEATING A SECOND PORTION OF SAID BATCH OF REACTANT COMPOUNDS CONSTITUTING SINTERED AND UNFUSED REACTANT COMPOUNDS ADJACENT SAID COOLING MASS, AND REPEATING THE STEPS OF HEATING AND COOLING SUCCESSIVE ADJACENT FURTHER PORTIONS OF THE REACTANT COMPOUNDS OF SAID BATCH TO FORM SUCCEEDING MOLTEN AND SUBSEQUENTLY COOLED MASSES WITHIN SAID AGGREGATE MASS WHEREBY THE CONCOMITANT SUCCESSIVE SERIES OF HEATED AND COOLED MELTS FORMED WITHIN THE INTERIOR OF THE AGGREGATE MASS OF REACTANT COMPOUNDS CRYSTALLIZES TO PRODUCE RELATIVELY LARGE CRYSTALS.

References Cited (Backward Citations)

US786859A Cited
US2739088A Cited
US2719799A Cited
US2711435A Cited
US2743199A Cited
US2923754A Cited
US3009788A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-10-27 1968-04-27 1968-10-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-10-27 1972-04-27 1972-10-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-10-27 1976-04-27 1976-10-27 $7700.00 Window Closed / Lapsed

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