US3051699A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nitrogenated granular starch products
Assignee: Hubinger Co
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Filing: 1959-01-15
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Granted: 1962-08-28
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Expires: 1979-01-15
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
2026-10-27 20:43
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/11; C; C08; C08B; C08B31/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A PRODUCT FROM THE CLASS CONSISTING OF A NITROGENATED GRANULAR STARCH PRODUCT OBTAINED BY REACTING GRANULAR UNGELATINIZED STARCH AT A TEMPERATURE BELOW THE GELATINIZATION TEMPERATURE OF SAID STARCH WITH A SUBSTANCE FROM THE GROUP CONSISTING OF CYANAMIDE, AND ALKALI METAL AND ALKALINE EARTH METAL SALTS OF CYANAMIDE, IN AN AQUEOUS ALKALKINE SOLUTION HAVING APH OF AT LEAST ABOUT 8.5, AND ACID ADDITION PRODUCTS OF SAID NITROGENATED GRANULAR STARCH PRODUCT.
Claim 2
Dependent Claim
69 words
A PRODUCT FROM THE CLASS CONSISTING OF A NITROGENATED GRANULAR STARCH PRODUCT OBTAINED BY REACTING GRANULAR UNGELATINIZED STARCH AT A TEMPERATURE BELOW THE GELATINIZATION TEMPERATURE OF SAID STARCH WITH A SUBSTANCE FROM THE GROUP CONSISTING OF CYANAMIDE, AND ALKALI METAL AND ALKALINE EARTH METAL SALTS OF CYANAMIDE, IN AN AQUEOUS ALKALKINE SOLUTION HAVING APH OF AT LEAST ABOUT 8.5, AND ACID ADDITION PRODUCTS OF SAID NITROGENATED GRANULAR STARCH PRODUCT.
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 |