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US3024174A Expired / Lapsed US ⏱️ 0.0 years remaining

Electrolytic production of titanium plate

Assignee: Solar Aircraft Co
•
Filing: 1958-12-24
•
Granted: 1962-03-06
•
Expires: 1978-12-24
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Abstract

No abstract record available.

Inventors

  • 👤 Alvin R Stetson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:55
CPC Classifications
C; C25; C25D; C25D3/00; C25D3/66; C25C; C25C3/00; C25C3/26; C25C3/28

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 212 words
A PROCESS FOR PRODUCING A TITANIUM PLATE ON A METALLIC BASE WHICH COMPRISES: PROVIDING AN ELECTROLYTE CONSISTING ESSENTIALLY OF AT LEAST 50% BY WEIGHT OF AT LEAST ONE SALT FROM THE GROUP CONSISTING OF SODIUM FLUOTITANATE AND POTASSIUM FLUOTITANATE AND 0% TO 50% BY WEIGHT OF AT LEAST ONE SALT FROM THE GROUP CONSISTING OF SODIUM FLUORIDE, LITHIUM FLUORIDE, AND POTASSIUM FLUORIDE; HEATING SAID SALTS IN A NON-CONSUMABLE VESSEL OF AN ELECTRICALLY CONDUCTIVE MATERIAL TO DRY AND OUT-GAS SAID ELECTROLYTE, AND MAINTAINING SAID ELECTROLYTE AS A MELT AT A TEMPERATURE BETWEEN 1080*F. AND 1800*F.; IMMERSING AT LEAST A PORTION OF SAID METALLIC BASE IN SAID ELECTROLYTE; SHEILDING SAID ELECTROLYTE AND SAID METALLIC BASE FROM EXPOSURE TO THE ATMOSPHERE; AND PASSING AN ELECTRICAL CURRENT BETWEEN SAID VESSEL AND SAID METALLIC BASE THROUGH SAID ELECTROLYTE WITH SAID VESSEL SERVING AS A NON-CONSUMABLE ANODE AND SAID METALLIC BASE AS A CATHODE, AND MAINTAINING A CATHODE CURRENT DENSITY OF 0.1 TO 5.0 AMPERES PER SQUARE INCH OF IMMERSED CATHODE SURFACE WITH AN IMPRESSED VOLTAGE POTENTIAL IN EXCESS OF THE BREAKDOWN POTENTIAL OF THE ELECTROLYTE FOR A SUFFICIENT TIME TO DECOMPOSE SAID ELECTROLYTE AND FREE TITANIUM METAL THEREFROM AND CAUSE SAID FREED TITANIUM METAL TO FORM A PLATE COATING ON THE IMMERSED SURFACE OF SAID METALLIC BASE.
Claim 2
Dependent Claim 212 words
A PROCESS FOR PRODUCING A TITANIUM PLATE ON A METALLIC BASE WHICH COMPRISES: PROVIDING AN ELECTROLYTE CONSISTING ESSENTIALLY OF AT LEAST 50% BY WEIGHT OF AT LEAST ONE SALT FROM THE GROUP CONSISTING OF SODIUM FLUOTITANATE AND POTASSIUM FLUOTITANATE AND 0% TO 50% BY WEIGHT OF AT LEAST ONE SALT FROM THE GROUP CONSISTING OF SODIUM FLUORIDE, LITHIUM FLUORIDE, AND POTASSIUM FLUORIDE; HEATING SAID SALTS IN A NON-CONSUMABLE VESSEL OF AN ELECTRICALLY CONDUCTIVE MATERIAL TO DRY AND OUT-GAS SAID ELECTROLYTE, AND MAINTAINING SAID ELECTROLYTE AS A MELT AT A TEMPERATURE BETWEEN 1080*F. AND 1800*F.; IMMERSING AT LEAST A PORTION OF SAID METALLIC BASE IN SAID ELECTROLYTE; SHEILDING SAID ELECTROLYTE AND SAID METALLIC BASE FROM EXPOSURE TO THE ATMOSPHERE; AND PASSING AN ELECTRICAL CURRENT BETWEEN SAID VESSEL AND SAID METALLIC BASE THROUGH SAID ELECTROLYTE WITH SAID VESSEL SERVING AS A NON-CONSUMABLE ANODE AND SAID METALLIC BASE AS A CATHODE, AND MAINTAINING A CATHODE CURRENT DENSITY OF 0.1 TO 5.0 AMPERES PER SQUARE INCH OF IMMERSED CATHODE SURFACE WITH AN IMPRESSED VOLTAGE POTENTIAL IN EXCESS OF THE BREAKDOWN POTENTIAL OF THE ELECTROLYTE FOR A SUFFICIENT TIME TO DECOMPOSE SAID ELECTROLYTE AND FREE TITANIUM METAL THEREFROM AND CAUSE SAID FREED TITANIUM METAL TO FORM A PLATE COATING ON THE IMMERSED SURFACE OF SAID METALLIC BASE.

References Cited (Backward Citations)

US1842254A Cited
DE615951C Cited
US2707170A Cited
US2786809A Cited
US2828251A Cited
US2783192A Cited
US2786808A Cited
US2798844A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-03-05 1965-09-04 1966-03-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-03-05 1969-09-04 1970-03-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-03-05 1973-09-04 1974-03-06 $7700.00 Window Closed / Lapsed

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