US3354034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel cationic starch derivatives
Assignee: Ingredion Inc
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Filing: 1967-01-03
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Granted: 1967-11-21
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Expires: 1987-01-03
Abstract
No abstract record available.
Inventors
- 👤 Jarowenko Wadym
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:27
CPC Classifications
D; D21; D21H; D21H17/00; D21H17/20; D21H17/21; D21H17/24; D21H17/28; D21H17/29; C; C08; C08B; C08B31/00; C08B31/08; C08B31/12; C08B31/125
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
A CELLULOSIC PAPER HAVING INTIMATELY DISPERSED THEREIN A NOVEL CATIONIC STARCH DERIVATIVE HAVING THE STRUCTURAL FORMULA:
Claim 2
Dependent Claim
16 words
A CELLULOSIC PAPER HAVING INTIMATELY DISPERSED THEREIN A NOVEL CATIONIC STARCH DERIVATIVE HAVING THE STRUCTURAL FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |