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US3158671A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for producing titanium sponge

Assignee: Montedison SpA
•
Filing: 1959-09-09
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Granted: 1964-11-24
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Expires: 1979-09-09
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Abstract

No abstract record available.

Inventors

  • 👤 Socci Miniato

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 21:15
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272; Y; Y10; Y10S; Y10S266/00; Y10S266/905

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 231 words
AN APPARATUS FOR MAKING TITANIUM SPONGE BY REDUCING TITANIUM TETRACHLORIDE WITH A REDUCING METAL, COMPRISING ENCLOSURE STRUCTURE MEANS FOR APPLYING HEAT, REACTOR CASING MEANS AT LEAST PARTLY WITHIN SAID ENCLOSURE MEANS, THE CASING MEANS PROVIDING A REACTION CHAMBER, A REACTION VESSEL IN SAID REACTOR CASING MEANS, THE REACTION VESSEL HAVING A BOTTOM WALL SUFFICIENTLY IMPERFORATE TO RETAIN THEREON A GROWING BODY OF THE RESULTING TITANIUM SPONGE AND TO RETAIN THE MOLTEN REDUCING METAL AND THE RESULTING MOLTEN CHLORIDE OF SAID REDUCING METAL, THE REACTION VESSEL HAVING FORAMINOUS SIDE WALL SURFACE, THE FORAMINA THEREOF BEING DISRIBUTED OVER SAID SURFACE CIRCUMFERENTIALLY AT A PLURALITY OF LEVELS TO PROVIDE A MULTIPLICITY OF VENTS, THE FORAMINA BEING OF A DIAMETER SUFFICIENTLY SMALL TO RETAIN THE MOLTEN REDUCING METAL BUT LARGE ENOUGH TO PASS SAID RESULTING MOLTEN CHLORIDE, THE FORAMINA STARTING AT A REGION SUFFICIENTLY REMOVED FROM THE BOTTOM WALL TO RETAIN THEREON AT LEAST A THIN LAYER OF THE SAID RESULTING CHLORIDE, THE FORAMINA REMAINING OPEN THROUGHOUT THE OPERATION, FOR PASSAGE OF SAID CHLORIDE, AN UPPER PART OF THE REACTION VESSEL HAVING AN OPENING FOR INGRESS OF TITANIUM CHLORIDE AND SAID REDUCING METAL, CONDUIT MEANS FOR SUPPLYING TITANIUM CHLORIDE AND SAID REDUCING METAL TO SAID OPENING, MOVABLE MEANS PROVIDING A CHAMBER TO RECEIVE THE MOLTEN CHLORIDE FROM THE REACTION VESSEL, MEANS FOR REMOVING THE MOLTEN CHLORIDE FROM THE LATTER CHAMBER, A CONDENSER, COOLING MEANS FOR
Claim 2
Independent Claim 231 words
AN APPARATUS FOR MAKING TITANIUM SPONGE BY REDUCING TITANIUM TETRACHLORIDE WITH A REDUCING METAL, COMPRISING ENCLOSURE STRUCTURE MEANS FOR APPLYING HEAT, REACTOR CASING MEANS AT LEAST PARTLY WITHIN SAID ENCLOSURE MEANS, THE CASING MEANS PROVIDING A REACTION CHAMBER, A REACTION VESSEL IN SAID REACTOR CASING MEANS, THE REACTION VESSEL HAVING A BOTTOM WALL SUFFICIENTLY IMPERFORATE TO RETAIN THEREON A GROWING BODY OF THE RESULTING TITANIUM SPONGE AND TO RETAIN THE MOLTEN REDUCING METAL AND THE RESULTING MOLTEN CHLORIDE OF SAID REDUCING METAL, THE REACTION VESSEL HAVING FORAMINOUS SIDE WALL SURFACE, THE FORAMINA THEREOF BEING DISRIBUTED OVER SAID SURFACE CIRCUMFERENTIALLY AT A PLURALITY OF LEVELS TO PROVIDE A MULTIPLICITY OF VENTS, THE FORAMINA BEING OF A DIAMETER SUFFICIENTLY SMALL TO RETAIN THE MOLTEN REDUCING METAL BUT LARGE ENOUGH TO PASS SAID RESULTING MOLTEN CHLORIDE, THE FORAMINA STARTING AT A REGION SUFFICIENTLY REMOVED FROM THE BOTTOM WALL TO RETAIN THEREON AT LEAST A THIN LAYER OF THE SAID RESULTING CHLORIDE, THE FORAMINA REMAINING OPEN THROUGHOUT THE OPERATION, FOR PASSAGE OF SAID CHLORIDE, AN UPPER PART OF THE REACTION VESSEL HAVING AN OPENING FOR INGRESS OF TITANIUM CHLORIDE AND SAID REDUCING METAL, CONDUIT MEANS FOR SUPPLYING TITANIUM CHLORIDE AND SAID REDUCING METAL TO SAID OPENING, MOVABLE MEANS PROVIDING A CHAMBER TO RECEIVE THE MOLTEN CHLORIDE FROM THE REACTION VESSEL, MEANS FOR REMOVING THE MOLTEN CHLORIDE FROM THE LATTER CHAMBER, A CONDENSER, COOLING MEANS FOR

References Cited (Backward Citations)

US2205854A Cited
US2239370A Cited
US2556763A Cited
US2564337A Cited
US2663634A Cited
US2709078A Cited
US2753254A Cited
US2878008A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-11-24 1968-05-25 1968-11-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-11-24 1972-05-25 1972-11-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-11-24 1976-05-25 1976-11-24 $7700.00 Window Closed / Lapsed

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