US3071452A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Safe handling of acetylene under pressure
Assignee: Societe Belge de lAzote et des Produits Chimiques du Marly SA
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Filing: 1960-01-11
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Granted: 1963-01-01
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Expires: 1980-01-11
Abstract
No abstract record available.
Inventors
- 👤 Frederic F A Braconier
- 👤 Jean J L E Riga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:08
CPC Classifications
C; C10; C10L; C10L3/00; C10L3/02; C10L3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A PROCESS OF THE CHARACTER DESCRIBED FO SAFELY HANDLING GASEOUS ACETYLENE DURING THE TRANSPORTATION THEREOF AT SUPER-ATMOSPHERIC PRESSURES AND CONCENTRATIONS HIGHER THAN THOSE AT WHICH SAID GASEOUS ACETYLENE NORMALLY BECOMES READILY EXPLOSIVE UPON COMPRESSION, THE STEPS WHICH COMPRISE DISSOLVING GASEOUS ACETYLENE IN SUBSTANTIALLY ANHYDROUS LIQUID AMMONIA, SUBJECTING SAID AMMONIACAL SOLUTION OF ACETYLENE TO SUPER-ATMOSPHERIC PRESSURE, WITHDRAWING FROM SAID SOLUTION A VAPOR PHASE ADMIXTURE CONSISTING ESSENTIALLY OF GASEOUS ACETYLENE AND GASEOUS AMMONIA UNDER SUPER-ATMOSPHERIC PRESSURE, THE CONCENTRATION OF SAID ACETYLENE IN SAID AMMONIA ADMIXTURE BEING SUBSTANTIALLY HIGHER THAN THAT WHICH IS STABLE AGAINST EXPLOSION IF COMPRESSED TO SAID PRESSURE IN THE GASEOUS PHASE, TRANSPORTING SAID GASEOUS ACETYLENE AND AMMONIA ADMIXTURE AT SAID SUPER-ATMOSPHERIC PRESSURE, AND SEPARATING SAID ACETYLENE FROM SAID ADMIXTURE AFTER SAID TRANSPORTATION THEREOF.
Claim 2
Dependent Claim
125 words
IN A PROCESS OF THE CHARACTER DESCRIBED FO SAFELY HANDLING GASEOUS ACETYLENE DURING THE TRANSPORTATION THEREOF AT SUPER-ATMOSPHERIC PRESSURES AND CONCENTRATIONS HIGHER THAN THOSE AT WHICH SAID GASEOUS ACETYLENE NORMALLY BECOMES READILY EXPLOSIVE UPON COMPRESSION, THE STEPS WHICH COMPRISE DISSOLVING GASEOUS ACETYLENE IN SUBSTANTIALLY ANHYDROUS LIQUID AMMONIA, SUBJECTING SAID AMMONIACAL SOLUTION OF ACETYLENE TO SUPER-ATMOSPHERIC PRESSURE, WITHDRAWING FROM SAID SOLUTION A VAPOR PHASE ADMIXTURE CONSISTING ESSENTIALLY OF GASEOUS ACETYLENE AND GASEOUS AMMONIA UNDER SUPER-ATMOSPHERIC PRESSURE, THE CONCENTRATION OF SAID ACETYLENE IN SAID AMMONIA ADMIXTURE BEING SUBSTANTIALLY HIGHER THAN THAT WHICH IS STABLE AGAINST EXPLOSION IF COMPRESSED TO SAID PRESSURE IN THE GASEOUS PHASE, TRANSPORTING SAID GASEOUS ACETYLENE AND AMMONIA ADMIXTURE AT SAID SUPER-ATMOSPHERIC PRESSURE, AND SEPARATING SAID ACETYLENE FROM SAID ADMIXTURE AFTER SAID TRANSPORTATION THEREOF.
References Cited (Backward Citations)
GB377193A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |