US2606932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheetsxsheet i
Assignee: —
•
Filing: —
•
Granted: 1952-08-12
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Expires: 1969-08-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:26
CPC Classifications
C; C07; C07C; C07C47/00; C07C47/20; C07C47/21; C07C47/22; C07C45/00; C07C45/27; C07C45/32; C07C45/33; C07C45/34; C07C45/35; B; B01; B01J; B01J23/00; B01J23/002; C07C45/78; C07C45/81; C07C45/82; C07C45/85; C07C47/02; C07C51/00; C07C51/16; C07C51/21; C07C51/25; C07C51/252
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A PROCESS FOR THE PRODUCTION OF ACROLEIN WHEREIN NORMALLY GASEOUS HYDROCARBONS COMPRISING PROPULENE ARE SUBJECTED TO OXIDIZING CONDITIONS IN A REACTION ZONE WITH THE FORMATION OF A REACTION MIXTURE COMPRISING ACROLEIN-CONTAINING CARBONYLIC COMPOUNDS, PROPYLENE AND FIXED GASES, THE STEPS WHICH COMPRISE CONTACTING SAID REACTION MIXTURE WITH A STREAM OF LIQUEFIED NORMALLY GASEOUS HYDROCARBONS COMPRISING PROPYLENE, THEREBY ABSORBING ACROLEIN-CONTAINING CARBONYLIC COMPOUNDS IN SAID LIQUEFIED NORMALLY GASEOUS HYDROCARBONS WITH THE FORMATION OF A GASEOUS PHASE COMPRISING FIXED GASES SUBSTANTIALLY FREE OF CARBONYLIC COMPOUNDS AND A LIQUID PHASE CONSISTING ESSENTIALLY OF NORMALLY GASEOUS HYDROCARBONS COMPRISING PROPYLENE AND ACROLEINCONTAINING CARBONYLIC COMPOUNDS, STRIPPING NORMALLY GASEOUS HYDROCARBONS COMPRISING PROPYLENE FROM SAID LIQUID PHASE, AND PASSING SAID NORMALLY GASEOUS HYDROCARBONS STRIPPED FROM SAID LIQUID PHASE INTO SAID REACTION ZONE.
Claim 2
Dependent Claim
123 words
IN A PROCESS FOR THE PRODUCTION OF ACROLEIN WHEREIN NORMALLY GASEOUS HYDROCARBONS COMPRISING PROPULENE ARE SUBJECTED TO OXIDIZING CONDITIONS IN A REACTION ZONE WITH THE FORMATION OF A REACTION MIXTURE COMPRISING ACROLEIN-CONTAINING CARBONYLIC COMPOUNDS, PROPYLENE AND FIXED GASES, THE STEPS WHICH COMPRISE CONTACTING SAID REACTION MIXTURE WITH A STREAM OF LIQUEFIED NORMALLY GASEOUS HYDROCARBONS COMPRISING PROPYLENE, THEREBY ABSORBING ACROLEIN-CONTAINING CARBONYLIC COMPOUNDS IN SAID LIQUEFIED NORMALLY GASEOUS HYDROCARBONS WITH THE FORMATION OF A GASEOUS PHASE COMPRISING FIXED GASES SUBSTANTIALLY FREE OF CARBONYLIC COMPOUNDS AND A LIQUID PHASE CONSISTING ESSENTIALLY OF NORMALLY GASEOUS HYDROCARBONS COMPRISING PROPYLENE AND ACROLEINCONTAINING CARBONYLIC COMPOUNDS, STRIPPING NORMALLY GASEOUS HYDROCARBONS COMPRISING PROPYLENE FROM SAID LIQUID PHASE, AND PASSING SAID NORMALLY GASEOUS HYDROCARBONS STRIPPED FROM SAID LIQUID PHASE INTO SAID REACTION ZONE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |