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US2597027A Expired / Lapsed US ⏱️ 0.0 years remaining

Production of nitropauaffins

Assignee: —
•
Filing: —
•
Granted: 1952-05-20
•
Expires: 1969-05-20
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 10:45
CPC Classifications
C; C07; C07C; C07C201/00; C07C201/06; C07C201/08; C07C205/00; C07C205/01; C07C205/02

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 151 words
THE PROCESS OF MANUFACTURING NITROGEN DERIVATIVES FROM PARAFFIN HYDROCARBONS WHICH COMPRISES THE STEPS OF PASSING AMMONIA AND AN OXIDIZING GAS THROUGH A HEATING ZONE AT A TEMPERATURE BETWEEN ABOUT 800* C. AND ABOUT 1000* C. AND AT A PRESSURE BETWEEN ABOUT 10 AND ABOUT 15 ATMOSPHERES IN THE PRESENCE OF A CATALYTIC MATERIAL FOR A REACTION TIME EFFECTIVE TO CONVERT A SUBSTANTIAL PROPORTION OF THE AMMONIA TO NITRIC ACID IN THE VAPOR STATE, CONTACTING THE VAPORS THUS PRODUCED IMMEDIATELY UPON FORMATION WITH AT LEAST ONE GASEOUS PARAFFIN HYDROCARBON AT A TEMPERATURE SLIGHTLY BELOW THE CRACKING TEMPERATURE OF SAID PARAFFIN HYDROCARBON TO FORM THE CORRESPONDING NITROSO-PARAFFIN AND IN AN AMOUNT IN EXCESS OF THAT REQUIRED TO EFFECT SUBSTANTIALLY COMPLETE CONSUMPTION OF NITRO ACID THUS FORMED, SUBJECTING SAID NITROSO-PARAFFIN TO FURTHER OXIDATION AT A REDUCED TEMPERATURE WITH AN ADDITIONAL QUANTITY OF SAID OXIDIZING GAS TO FORM THE CORRESPONDING NITRO-PARAFFIN, AND RECOVERING SAID NITRO-PARAFFIN.
Claim 2
Dependent Claim 151 words
THE PROCESS OF MANUFACTURING NITROGEN DERIVATIVES FROM PARAFFIN HYDROCARBONS WHICH COMPRISES THE STEPS OF PASSING AMMONIA AND AN OXIDIZING GAS THROUGH A HEATING ZONE AT A TEMPERATURE BETWEEN ABOUT 800* C. AND ABOUT 1000* C. AND AT A PRESSURE BETWEEN ABOUT 10 AND ABOUT 15 ATMOSPHERES IN THE PRESENCE OF A CATALYTIC MATERIAL FOR A REACTION TIME EFFECTIVE TO CONVERT A SUBSTANTIAL PROPORTION OF THE AMMONIA TO NITRIC ACID IN THE VAPOR STATE, CONTACTING THE VAPORS THUS PRODUCED IMMEDIATELY UPON FORMATION WITH AT LEAST ONE GASEOUS PARAFFIN HYDROCARBON AT A TEMPERATURE SLIGHTLY BELOW THE CRACKING TEMPERATURE OF SAID PARAFFIN HYDROCARBON TO FORM THE CORRESPONDING NITROSO-PARAFFIN AND IN AN AMOUNT IN EXCESS OF THAT REQUIRED TO EFFECT SUBSTANTIALLY COMPLETE CONSUMPTION OF NITRO ACID THUS FORMED, SUBJECTING SAID NITROSO-PARAFFIN TO FURTHER OXIDATION AT A REDUCED TEMPERATURE WITH AN ADDITIONAL QUANTITY OF SAID OXIDIZING GAS TO FORM THE CORRESPONDING NITRO-PARAFFIN, AND RECOVERING SAID NITRO-PARAFFIN.

References Cited (Backward Citations)

US1967667A Cited
US2109873A Cited
US2153065A Cited
US2291345A Cited
US2161475A Cited
US2288091A Cited
US2418241A Cited
US2455425A Cited
US2465984A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-05-20 1955-11-19 1956-05-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-05-20 1959-11-19 1960-05-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-05-20 1963-11-19 1964-05-20 $7700.00 Window Closed / Lapsed

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