US3026314A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposal of spent
Assignee: —
•
Filing: —
•
Granted: 1962-03-20
•
Expires: 1979-03-20
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
C; C08; C08F; C08F6/00; C08F6/02; C08F10/00; C08F2/00; C08F2/12; C08F2/14; C08F210/00; C08F210/16; C08F6/001; C08F6/003; Y; Y10; Y10S; Y10S159/00; Y10S159/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A PROCESS FOR RECOVERING ORGANIC SOLVENT PRESENT IN A FILTER CAKE COMPRISING A SOLID CATALYST AND A MINOR AMOUNT OF SOLID POLYMER WHICH COMPRISES ADMIXING ADDITIONAL ORGANIC SOLVENT WITH SAID FILTER CAKE TO FORM A SLURRY; ADDING STEAM TO SAID SLURRY SO AS TO AGITATE SAID SLURRY TO BREAK UP THE FILTER CAKE INTO DISCRETE PARTICLES; INTRODUCING SAID SLURRY INTO A BODY OF WATER IN A STRIP PING ZONE; PASSING ADDITIONAL STEAM THROUGH SAID WATER TO VAPORIZE SAID ORGANIC SOLVENT; REMOVING SAID SOLVENT AS A VAPOR; AND REMOVING THE SOLIDS AS AN AQUEOUS SLURRY.
Claim 2
Dependent Claim
94 words
A PROCESS FOR RECOVERING ORGANIC SOLVENT PRESENT IN A FILTER CAKE COMPRISING A SOLID CATALYST AND A MINOR AMOUNT OF SOLID POLYMER WHICH COMPRISES ADMIXING ADDITIONAL ORGANIC SOLVENT WITH SAID FILTER CAKE TO FORM A SLURRY; ADDING STEAM TO SAID SLURRY SO AS TO AGITATE SAID SLURRY TO BREAK UP THE FILTER CAKE INTO DISCRETE PARTICLES; INTRODUCING SAID SLURRY INTO A BODY OF WATER IN A STRIP PING ZONE; PASSING ADDITIONAL STEAM THROUGH SAID WATER TO VAPORIZE SAID ORGANIC SOLVENT; REMOVING SAID SOLVENT AS A VAPOR; AND REMOVING THE SOLIDS AS AN AQUEOUS SLURRY.
References Cited (Backward Citations)
US2360787A
Cited
US2384967A
Cited
US2530144A
Cited
US2620313A
Cited
US2702288A
Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-19 | 1965-09-18 | 1966-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-19 | 1969-09-18 | 1970-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-19 | 1973-09-18 | 1974-03-20 | $7700.00 | Window Closed / Lapsed |