Patent US3007545A successfully refreshed from Google Patents.
US3007545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of extracting hydrocarbons
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-12-21
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Granted: 1961-11-07
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Expires: 1975-12-21
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Newton Kimberlin
- 👤 Mattox William Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:42
CPC Classifications
C; C07; C07C; C07C9/00; C07C9/14; C07C7/00; C07C7/12; C07C7/13; C10; C10G; C10G25/00; C10G25/02; C10G25/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
184 words
A CONTINUOUS PROCESS FOR SEPARATING STRAIGHT CHAIN HYDROCARBONS FROM A MIXITURE THEREOF WITH HYDROCARBONS OF OTHER TYPES WHICH COMPRISES: PASSING THE VAPOR STREAM OF SAID HYDROCARBON MIXTURE INTO A FLUIDIZED SOLIDS ADSORPTION ZONE; PASSING INTO SAID ZONE FLUIDIZABLE, FINELY DIVIDED ZEOLITIES HAVING MOLECULAR SIEVE PROPERTIES AND HAVING ADSORBED THEREON A HYDROCARBONS STRIPPING GAS; MAINTAINING A DENSE TURBULENT BED OF SAID PARTICLES IN SAID ZONE; SELECTIVELY ABSORDING STRAIGHT CHAIN HYDROCARBONSFROM SAID MIXTURE IN THE INTERSTICES OF SAID ZEOLITES AND CONCOMTIANTLY REPLACING SAID STRIPPING GAS; MAINTAINING IN SAID ZONE A TEMPERATURE OF FROM ABOUT 100 TO ABOUT 500* D., CONTINUOUSLY REMOVING OVERHEAD FROM SAID ZONE UNADSOEBED HYDROCARBONS AND SAID REPLACED STRIPPING GAS; CONTINUOUSLY WITHDRAWING SAID ZEOLITIES CONTAINING SAID STRAIGHT CHAIN HYDROCARBON FROM A LOWER PORTION OF SAID ZONE; SUSPENDING MATERIAL UNTO A DESORPTION ZONE; MAINTAINING A STREAM OF SAID STRIPPING GAS; PASSING SAI STREAM AND SUSPENDED MATERIAL INTO A DESORPTION ZONE; MAINTAINING A BED OF SAID SOLIDS FLUIDIZED BY SAID STRIPPING GAS IN SAID DESORPTION ZONE; STRIPPING SAID STRAIGHT CHAIN HYDROCARBONS FROM SAID ZONE AND CONNCOMITANTLY REPLACING SAID STRIPPED HYDROCARBONS IN THE INTERSITICS OF SAID ZEOLITES
Claim 2
Dependent Claim
184 words
A CONTINUOUS PROCESS FOR SEPARATING STRAIGHT CHAIN HYDROCARBONS FROM A MIXITURE THEREOF WITH HYDROCARBONS OF OTHER TYPES WHICH COMPRISES: PASSING THE VAPOR STREAM OF SAID HYDROCARBON MIXTURE INTO A FLUIDIZED SOLIDS ADSORPTION ZONE; PASSING INTO SAID ZONE FLUIDIZABLE, FINELY DIVIDED ZEOLITIES HAVING MOLECULAR SIEVE PROPERTIES AND HAVING ADSORBED THEREON A HYDROCARBONS STRIPPING GAS; MAINTAINING A DENSE TURBULENT BED OF SAID PARTICLES IN SAID ZONE; SELECTIVELY ABSORDING STRAIGHT CHAIN HYDROCARBONSFROM SAID MIXTURE IN THE INTERSTICES OF SAID ZEOLITES AND CONCOMTIANTLY REPLACING SAID STRIPPING GAS; MAINTAINING IN SAID ZONE A TEMPERATURE OF FROM ABOUT 100 TO ABOUT 500* D., CONTINUOUSLY REMOVING OVERHEAD FROM SAID ZONE UNADSOEBED HYDROCARBONS AND SAID REPLACED STRIPPING GAS; CONTINUOUSLY WITHDRAWING SAID ZEOLITIES CONTAINING SAID STRAIGHT CHAIN HYDROCARBON FROM A LOWER PORTION OF SAID ZONE; SUSPENDING MATERIAL UNTO A DESORPTION ZONE; MAINTAINING A STREAM OF SAID STRIPPING GAS; PASSING SAI STREAM AND SUSPENDED MATERIAL INTO A DESORPTION ZONE; MAINTAINING A BED OF SAID SOLIDS FLUIDIZED BY SAID STRIPPING GAS IN SAID DESORPTION ZONE; STRIPPING SAID STRAIGHT CHAIN HYDROCARBONS FROM SAID ZONE AND CONNCOMITANTLY REPLACING SAID STRIPPED HYDROCARBONS IN THE INTERSITICS OF SAID ZEOLITES
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-06 | 1965-05-08 | 1965-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-06 | 1969-05-08 | 1969-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-06 | 1973-05-08 | 1973-11-07 | $7700.00 | Window Closed / Lapsed |