Patent US2680078A successfully refreshed from Google Patents.
US2680078A
Expired / Lapsed
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Alkaline-oxidized cassava starch adhesive
Assignee: Monsanto Chemicals Ltd
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Filing: 1951-08-29
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Granted: 1954-06-01
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Expires: 1971-08-29
Abstract
No abstract record available.
Inventors
- 👤 Jarvi Reino Alexander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:30
CPC Classifications
C; C09; C09J; C09J103/00; C09J103/04; C09J103/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF MAKING AN ALKALINE-OXIDIZED CASSAVA STARCH ADHESIVE COMPRISES REACTING AT A TEMPERATURE OF AT LEAST 50* F.AND UP TO ABOUT 100* F. OVER A PERIOD OF APPROXIMATELY 6 TO 9 HOURS A MIXTURE COMPRISING CASSAVE STARCH WATER, SODIUM HYDROXIDE AND AN OXIDIZING AGENT FOR SAID STARCH, THE PROPORTIONS BY WEIGHT OF ANHYDROUS CASSAVA STARCH, WATER AND SODIUM HYDROXIDE BEING APPROXIMATELY 30:60-71:1.0-1.349
Claim 2
Independent Claim
63 words
THE METHOD OF MAKING AN ALKALINE-OXIDIZED CASSAVA STARCH ADHESIVE COMPRISES REACTING AT A TEMPERATURE OF AT LEAST 50* F.AND UP TO ABOUT 100* F. OVER A PERIOD OF APPROXIMATELY 6 TO 9 HOURS A MIXTURE COMPRISING CASSAVE STARCH WATER, SODIUM HYDROXIDE AND AN OXIDIZING AGENT FOR SAID STARCH, THE PROPORTIONS BY WEIGHT OF ANHYDROUS CASSAVA STARCH, WATER AND SODIUM HYDROXIDE BEING APPROXIMATELY 30:60-71:1.0-1.349
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) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |