US2695838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for recovery of resins, waxes, and oils from peat
Assignee: Schabelitz Biochemical Corp
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Filing: 1948-10-06
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Granted: 1954-11-30
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Expires: 1968-10-06
Abstract
No abstract record available.
Inventors
- 👤 Ernest J Schabelitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:19
CPC Classifications
C; C10; C10F; C10F5/00; C10F5/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A PROCESS FOR FORMING PEAT BRIQUETTES WHICH COMPRISES LEACHING PULVERIZED PEAT CONTAINING RESINOUS AND OTHER SOLUBLE CONSTITUENTS BY IMMERSING SAID PEAT IN ETHYLENE DICHLORIDE SOLVENT AT ATMOSPHERIC TEMPERATURE AND PRESSURE RANGES FROM A PERIOD OF TIME BETWEEN ABOUT TWO AND THREE HOURS TO REMOVE THE SOLUBLE OIL, WAX AND RESINOUS CONSTITUENTS THEREFROM, SEPARATING THE INSOLUBLE, TREATED PEAT FROM THE SOLVENT, RECOVERING SAID CONSTITUENTS FROM SAID SOLVENT, AND COMPRESSING SAID DRIED PEAT INTO BRIQUETTE FORM.
Claim 2
Dependent Claim
74 words
A PROCESS FOR FORMING PEAT BRIQUETTES WHICH COMPRISES LEACHING PULVERIZED PEAT CONTAINING RESINOUS AND OTHER SOLUBLE CONSTITUENTS BY IMMERSING SAID PEAT IN ETHYLENE DICHLORIDE SOLVENT AT ATMOSPHERIC TEMPERATURE AND PRESSURE RANGES FROM A PERIOD OF TIME BETWEEN ABOUT TWO AND THREE HOURS TO REMOVE THE SOLUBLE OIL, WAX AND RESINOUS CONSTITUENTS THEREFROM, SEPARATING THE INSOLUBLE, TREATED PEAT FROM THE SOLVENT, RECOVERING SAID CONSTITUENTS FROM SAID SOLVENT, AND COMPRESSING SAID DRIED PEAT INTO BRIQUETTE FORM.
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) | 1957-11-29 | 1958-05-31 | 1958-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-29 | 1962-05-31 | 1962-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-29 | 1966-05-31 | 1966-11-30 | $7700.00 | Window Closed / Lapsed |