US3080724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reduction of explosion hazards in the separation of gaseous mixtures
Assignee: Arthur D Little Inc
•
Filing: 1958-09-19
•
Granted: 1963-03-12
•
Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 William E Gordon
- 👤 Warren A Salmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:18
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/02; F25J3/04; F25J3/04763; F25J3/04769; F25J3/04854; F25J3/0486; F25J3/04406; F25J3/04412; F25J2205/00; F25J2205/60; Y; Y10; Y10S; Y10S62/00; Y10S62/916
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN A FRACTIONATING OPERATION WHEREIN A NORMALLY GASEOUS MIXTURE CONTAINING ELEMENTAL OXYGEN AND IMPURITIES COMPRISING HYDROCARBON CONTAMINANTS WHICH WILL FORM AN EXPLOSIVE MIXTURE WITH ELEMENTAL OXYGEN IS SEPARATED INTO AT LEAST TWO FRACTIONS, ONE OF THE SEPARATED FRACTIONS CONTAINING ELEMENTAL OXYGEN AND IMPURITIES COMPRISING HYDROCARBON CONTAMINANTS WHICH WILL FORM AN EXPLOSIVE MIXTURE WITH ELEMENTAL OXYGEN AND BEING COLLECTED IN THE LIQUID STATE IN A BODY OF LIQUID FROM WHICH VAPORS ARE EVOLVED DURING THE FRACTIONATING OPERATION, THE METHOD OF REDUCING THE EXPLOSION HAZARD COMPRISING THE STEP OF ADDING TO THE BODY OF LIQUID A SOLUBLE INERT HALOGENATED HYDROCARBON HAVING NOT LESS THAN ONE FLUORINE ATOM AND NOT MORE THAN FIVE CARBON ATOMS.
Claim 2
Dependent Claim
112 words
IN A FRACTIONATING OPERATION WHEREIN A NORMALLY GASEOUS MIXTURE CONTAINING ELEMENTAL OXYGEN AND IMPURITIES COMPRISING HYDROCARBON CONTAMINANTS WHICH WILL FORM AN EXPLOSIVE MIXTURE WITH ELEMENTAL OXYGEN IS SEPARATED INTO AT LEAST TWO FRACTIONS, ONE OF THE SEPARATED FRACTIONS CONTAINING ELEMENTAL OXYGEN AND IMPURITIES COMPRISING HYDROCARBON CONTAMINANTS WHICH WILL FORM AN EXPLOSIVE MIXTURE WITH ELEMENTAL OXYGEN AND BEING COLLECTED IN THE LIQUID STATE IN A BODY OF LIQUID FROM WHICH VAPORS ARE EVOLVED DURING THE FRACTIONATING OPERATION, THE METHOD OF REDUCING THE EXPLOSION HAZARD COMPRISING THE STEP OF ADDING TO THE BODY OF LIQUID A SOLUBLE INERT HALOGENATED HYDROCARBON HAVING NOT LESS THAN ONE FLUORINE ATOM AND NOT MORE THAN FIVE CARBON ATOMS.
References Cited (Backward Citations)
US1804432A
Cited
US1759155A
Cited
US1821170A
Cited
US2031145A
Cited
US2650482A
Cited
US2715323A
Cited
US2925385A
Cited
GB729010A
Cited
US2715102A
Cited
US2876077A
Cited
US2874164A
Cited
US3008902A
Cited
US2928529A
Cited
FR1246273A
Cited
US2992540A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |