US3051700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cationic, nitrogenated, starch products containing at least fifty percent amylose
Assignee: Hubinger Co
•
Filing: 1959-07-17
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Granted: 1962-08-28
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Expires: 1979-07-17
Abstract
No abstract record available.
Inventors
- 👤 Lee H Elizer
- 👤 Glen C Glasscock
- 👤 John M Seitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:20
CPC Classifications
C; C08; C08B; C08B33/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
THE CATIONIC, NITROGENATED PRODUCT PRODUCED BY REACTING STARCH HAVING AN AMYLOSE CONTENT OF AT LEAST ABOUT 50% WITH AN AQUEOUS ALKALINE SOLUTION OF CYANAMIDE.
Claim 2
Dependent Claim
24 words
THE CATIONIC, NITROGENATED PRODUCT PRODUCED BY REACTING STARCH HAVING AN AMYLOSE CONTENT OF AT LEAST ABOUT 50% WITH AN AQUEOUS ALKALINE SOLUTION OF CYANAMIDE.
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) | 1965-08-27 | 1966-02-26 | 1966-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-27 | 1970-02-26 | 1970-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-27 | 1974-02-26 | 1974-08-28 | $7700.00 | Window Closed / Lapsed |