US2871147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of refining starch hydrolyzate liquors
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1954-11-24
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Granted: 1959-01-27
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Expires: 1974-11-24
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:48
CPC Classifications
C; C13; C13K; C13K1/00; C13K1/06; C13K1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF CLARIFYING UNNEUTRALIZED ACID-CONVERRED STARCH HYDROLYZATE LIQUORS AT A PH IN THE RANGE OF ABOUT 1 TO 3 WHICH COMPRISES REACTING SUCH A LIQUOR WITH A FRACTION OF ONE PERCENT DRY SUBSTANCE BASIS OF A PHOSPHATE CLARIFER SELECTED FROM THE GROUP CONSISTING OF SODIUM HEXAMETAPHOSPHATE, PHYSTIC ACID, SODIUM SALTS OF PHYTIC ACID, CALCIUM SALTS OF PHYTIC ACID, SODIUM TETRAPHOSPHATE, SODIUM PYROPHOSPHATE, AND TETRAPHOSPHORIC ACID, AND SEPARATING THE RESULTING PRECIPITATE FROM THE LIQUOR.
Claim 2
Independent Claim
74 words
THE METHOD OF CLARIFYING UNNEUTRALIZED ACID-CONVERRED STARCH HYDROLYZATE LIQUORS AT A PH IN THE RANGE OF ABOUT 1 TO 3 WHICH COMPRISES REACTING SUCH A LIQUOR WITH A FRACTION OF ONE PERCENT DRY SUBSTANCE BASIS OF A PHOSPHATE CLARIFER SELECTED FROM THE GROUP CONSISTING OF SODIUM HEXAMETAPHOSPHATE, PHYSTIC ACID, SODIUM SALTS OF PHYTIC ACID, CALCIUM SALTS OF PHYTIC ACID, SODIUM TETRAPHOSPHATE, SODIUM PYROPHOSPHATE, AND TETRAPHOSPHORIC ACID, AND SEPARATING THE RESULTING PRECIPITATE FROM THE LIQUOR.
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) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |