US2865775A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cold water dispersible starch and process of preparing it
Assignee: National Industrial Products Co
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Filing: 1957-09-18
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Granted: 1958-12-23
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Expires: 1977-09-18
Abstract
No abstract record available.
Inventors
- 👤 Todd James William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:30
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/12; C08B30/14; F; F25; F25B; F25B31/00; F25B31/002
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
59 words
A COLD WATER DISPERSIBLE STARCH COMPRISING THE PRODUCT OF MIXING STARCH OF WHICH AT LEAST 50% IS A THIN BOILING STARCH, BORAX IN A QUANTITY OF FROM 30% TO 40% OF THE STARCH BY WEIGHT ON A DRY BASIS, AND SULFURIC ACID IN A QUANTITY OF FROM 4% TO 7% OF THE STARCH BY WEIGHT ON A DRY BASIS.
References Cited (Backward Citations)
US337490A
Cited
US579827A
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US675822A
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GB190610216A
Cited
US2142801A
Cited
US2424050A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-22 | 1962-06-23 | 1962-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-22 | 1966-06-23 | 1966-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-22 | 1970-06-23 | 1970-12-23 | $7700.00 | Window Closed / Lapsed |