US3306848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zeolite and zeolite separation process
Assignee: Universal Oil Products Co
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Filing: 1964-05-27
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Granted: 1967-02-28
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Expires: 1984-05-27
Abstract
No abstract record available.
Inventors
- 👤 Richard C Wackher
- 👤 Donald B Broughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:29
CPC Classifications
B; B01; B01D; B01D15/00; B01D15/08; C; C10; C10G; C10G25/00; C10G25/02; C10G25/03
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
38 words
A METHOD FOR IMPROVING THE SELECTIVE EXTRACTION OF A ZEOLITE SELECTIVE FOR NORMAL ALIPHATIC HYDROCARBONS WHICH COMPRISES MAINTAINING WITHIN THE POROUS STRUCTURE OF SAID ZEOLITE DURING THE EXTRACTION FROM ABOUT 0.5 TO ABOUT 4 WEIGHT PERCENT OF WATER.
Claim 2
Independent Claim
38 words
A METHOD FOR IMPROVING THE SELECTIVE EXTRACTION OF A ZEOLITE SELECTIVE FOR NORMAL ALIPHATIC HYDROCARBONS WHICH COMPRISES MAINTAINING WITHIN THE POROUS STRUCTURE OF SAID ZEOLITE DURING THE EXTRACTION FROM ABOUT 0.5 TO ABOUT 4 WEIGHT PERCENT OF WATER.
Claim 3
Dependent Claim
77 words
A PROCESS FOR THE SEPARATION OF COMPONENTS OF A FLUID MIXTURE, AT LEAST ONE OF WHICH IS SELECTIVELY SORBED BY CONTACT WITH A SOLID SORBENT, SAID PROCESS COMPRISING THE STEPS: INTRODUCING SAID FLUID MIXTURE INTO CONTACT WITH A BED OF SOLID SORBENT PARTICLES, WITHDRAWING FROM SAID BED A FIRST EFFLUENT COMPRISING RELATIVELY LESS SORBED COMPONENT OF SAID FLUID MIXTURE, INTRODUCING A DESORBING FLUID COMPRISING ANOTHER SELECTIVELY SORBED COMPONENT INTO CONTACT WITH SAID BED OF SOLID SORBENT PARTICLES,
Claim 4
Dependent Claim
77 words
A PROCESS FOR THE SEPARATION OF COMPONENTS OF A FLUID MIXTURE, AT LEAST ONE OF WHICH IS SELECTIVELY SORBED BY CONTACT WITH A SOLID SORBENT, SAID PROCESS COMPRISING THE STEPS: INTRODUCING SAID FLUID MIXTURE INTO CONTACT WITH A BED OF SOLID SORBENT PARTICLES, WITHDRAWING FROM SAID BED A FIRST EFFLUENT COMPRISING RELATIVELY LESS SORBED COMPONENT OF SAID FLUID MIXTURE, INTRODUCING A DESORBING FLUID COMPRISING ANOTHER SELECTIVELY SORBED COMPONENT INTO CONTACT WITH SAID BED OF SOLID SORBENT PARTICLES,
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |