US2590912A
Expired / Lapsed
US
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Cold swelling starch process
Assignee: A M Meincke & Son Inc
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Filing: 1949-09-28
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Granted: 1952-04-01
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Expires: 1969-09-28
Abstract
No abstract record available.
Inventors
- 👤 Clifford J Yarber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:50
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/28; C; C08; C08B; C08B30/00; C08B30/12; C08B30/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
THE METHOD OF PREPARING A COLD SWELLING STARCH WHICH COMPRISES MIXING A STARCHY PRODUCT WITH A SMALL AMOUNT OF WATER, INTRODUCING MONOSODIUM PHOSPHATE INTO THE MIXTURE AND CONTROLLING SAID INTRODUCTION WHEREBY THE MIXTURE HAS A PH OF FROM 5.2 TO 6.5, AND THEN CONVERTING UNDER DRYING HEAT AND PRESSURE TO A COLD SWELLING STARCH.
Claim 2
Independent Claim
54 words
THE METHOD OF PREPARING A COLD SWELLING STARCH WHICH COMPRISES MIXING A STARCHY PRODUCT WITH A SMALL AMOUNT OF WATER, INTRODUCING MONOSODIUM PHOSPHATE INTO THE MIXTURE AND CONTROLLING SAID INTRODUCTION WHEREBY THE MIXTURE HAS A PH OF FROM 5.2 TO 6.5, AND THEN CONVERTING UNDER DRYING HEAT AND PRESSURE TO A COLD SWELLING STARCH.
References Cited (Backward Citations)
GB145689A
Cited
US2105052A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-01 | 1955-10-01 | 1956-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-01 | 1959-10-01 | 1960-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-01 | 1963-10-01 | 1964-04-01 | $7700.00 | Window Closed / Lapsed |