US3293057A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified starch composition
Assignee: Fort James Corp
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Filing: 1963-07-01
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Granted: 1966-12-20
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Expires: 1983-07-01
Abstract
No abstract record available.
Inventors
- 👤 George G Rumberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:40
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/54; C; C08; C08B; C08B31/00; C08B31/18; C08B31/185; D21H13/00; D21H13/10; D21H13/28; D21H13/30; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31964; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T428/31982
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A COMPOSITION PREPARED BY MIXING TOGETHER AND REACTING AT AN ELEVATE TEMPERATURE AN AQUEOUS DIPERSION OF INDIVIDUAL INGREDIENTS COMPRISING STARCH, UREA, AND A POLYFUNCTIONAL ALDEHYDE, WHEREIN SAID STARCH IS PRESENT IN AN AMOUNT OF ABOUT 9% TO ABOUT 95% BY WEIGHT, SAID UREA IS PRESENT IN AN AMOUNT OF ABOUT 5% TO ABOUT 80% BY WEIGHT, AND SAID ALDEHYDE IS PRESENT IN AN AMOUNT OF ABOUT 0.5% TO ABOUT 20% BY WEIGHT, ALL BASED ON THE TOTAL SOLIDS WEIGHT OF SAID COMPOSITIONS, THE PH OF SAID DISPERSION BEING NO GREATER THAN ABOUT 7.
Claim 2
Dependent Claim
93 words
A COMPOSITION PREPARED BY MIXING TOGETHER AND REACTING AT AN ELEVATE TEMPERATURE AN AQUEOUS DIPERSION OF INDIVIDUAL INGREDIENTS COMPRISING STARCH, UREA, AND A POLYFUNCTIONAL ALDEHYDE, WHEREIN SAID STARCH IS PRESENT IN AN AMOUNT OF ABOUT 9% TO ABOUT 95% BY WEIGHT, SAID UREA IS PRESENT IN AN AMOUNT OF ABOUT 5% TO ABOUT 80% BY WEIGHT, AND SAID ALDEHYDE IS PRESENT IN AN AMOUNT OF ABOUT 0.5% TO ABOUT 20% BY WEIGHT, ALL BASED ON THE TOTAL SOLIDS WEIGHT OF SAID COMPOSITIONS, THE PH OF SAID DISPERSION BEING NO GREATER THAN ABOUT 7.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-19 | 1970-06-20 | 1970-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-19 | 1974-06-20 | 1974-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-19 | 1978-06-20 | 1978-12-20 | $7700.00 | Window Closed / Lapsed |