US2587954A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Refuse palm oil refining
Assignee: Individual
•
Filing: 1948-07-17
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Granted: 1952-03-04
•
Expires: 1968-07-17
Abstract
No abstract record available.
Inventors
- 👤 Vigen K Babayan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:42
CPC Classifications
C; C11; C11B; C11B13/00; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/74
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A METHOD FOR REFINING REFUSE PALM OIL WHICH METHOD COMPRISES TREATING THE REFUSE PALM OIL WITH FROM 1% TO 5% BY WEIGHT OF THE OIL OF AN ACID SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, SULFURIC ACID, AND HYDROCHLORIC ACID AT A TEMPERATURE OF FROM 0* C. TO 100* C., THE TREATMENT BEING EFFECTED IN THE PRESENCE OF WATER IN AN AMOUNT AT LEAST EQUAL TO 50% OF THE WEIGHT OF THE OIL BEING TREATED, ALLOWING THE BATCH TO STRATIFY AND SEPARATING THE OIL LAYER FROM THE AQUEOUS LAYER, AND THEREAFTER BLEACHING THE OIL.
Claim 2
Independent Claim
95 words
A METHOD FOR REFINING REFUSE PALM OIL WHICH METHOD COMPRISES TREATING THE REFUSE PALM OIL WITH FROM 1% TO 5% BY WEIGHT OF THE OIL OF AN ACID SELECTED FROM THE GROUP CONSISTING OF PHOSPHORIC ACID, SULFURIC ACID, AND HYDROCHLORIC ACID AT A TEMPERATURE OF FROM 0* C. TO 100* C., THE TREATMENT BEING EFFECTED IN THE PRESENCE OF WATER IN AN AMOUNT AT LEAST EQUAL TO 50% OF THE WEIGHT OF THE OIL BEING TREATED, ALLOWING THE BATCH TO STRATIFY AND SEPARATING THE OIL LAYER FROM THE AQUEOUS LAYER, AND THEREAFTER BLEACHING THE OIL.
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) | 1955-03-04 | 1955-09-03 | 1956-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-04 | 1959-09-03 | 1960-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-04 | 1963-09-03 | 1964-03-04 | $7700.00 | Window Closed / Lapsed |