Patent US3074982A successfully refreshed from Google Patents.
US3074982A
Expired / Lapsed
US
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Method of fat extraction and extractant therefor
Assignee: Anderson Laboratories Inc
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Filing: 1959-02-19
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Granted: 1963-01-22
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Expires: 1979-02-19
Abstract
No abstract record available.
Inventors
- 👤 Bazeel B Anderson
- 👤 Duward W Bailey
- 👤 James C Ash
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:24
CPC Classifications
C; C11; C11B; C11B1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
AN EXTRACTANT COMPRISING A COMPOSITION OF MATTER IN A DRY GRANULAR FORM, INCLUDING A NONIONIC SURFACTANT SELECTED FROM THE GROUP OF POLYOXYETHYLENE ESTERS, HAVING AN AVERAGE OF 16 OXYETHYLENE GROUPS PER MOL. OF TALL OIL ACIDS, HAVING FROM 12 TO 30 CARBON ATOMS IN THE CHAIN, AND UREA, DIBASIC SODIUM PHOSPHATE, ETHYLENEDIAMINETETRAACETIC ACID, AND SODIUM CARBONATE, THE PROPORTIONS OF THE SEVERAL INGREDIENTS BEING AS FOLLOWS: A. NONIONIC SURFACTANT, 3.0 TO 6.5 PARTS, B. UREAU, 3.0 TO 5.5 PARTS, C. DIBASIC SODIUM PHOSPHATE, 1.0 TO 4.0 PARTS, D. ETHYLENEDIAMINETERAACETIC ACID, 1.0 TO 5.5 PARTS, E. SODIUM CARBONATE, 1.0 TO 5.5 PARTS.
Claim 2
Dependent Claim
100 words
AN EXTRACTANT COMPRISING A COMPOSITION OF MATTER IN A DRY GRANULAR FORM, INCLUDING A NONIONIC SURFACTANT SELECTED FROM THE GROUP OF POLYOXYETHYLENE ESTERS, HAVING AN AVERAGE OF 16 OXYETHYLENE GROUPS PER MOL. OF TALL OIL ACIDS, HAVING FROM 12 TO 30 CARBON ATOMS IN THE CHAIN, AND UREA, DIBASIC SODIUM PHOSPHATE, ETHYLENEDIAMINETETRAACETIC ACID, AND SODIUM CARBONATE, THE PROPORTIONS OF THE SEVERAL INGREDIENTS BEING AS FOLLOWS: A. NONIONIC SURFACTANT, 3.0 TO 6.5 PARTS, B. UREAU, 3.0 TO 5.5 PARTS, C. DIBASIC SODIUM PHOSPHATE, 1.0 TO 4.0 PARTS, D. ETHYLENEDIAMINETERAACETIC ACID, 1.0 TO 5.5 PARTS, E. SODIUM CARBONATE, 1.0 TO 5.5 PARTS.
References Cited (Backward Citations)
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US1614184A
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US2014823A
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US2412944A
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US2412945A
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US2559583A
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |