US3133856A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for modifying polysaccharides and products thereof
Assignee: Dow Chemical Co
•
Filing: 1960-04-11
•
Granted: 1964-05-19
•
Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Neely Wesley Brock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:04
CPC Classifications
C; C08; C08B; C08B15/00; C08B37/00; C08B37/0006; C08B37/0024; C08B37/0027; C08B37/003; C12; C12P; C12P19/00; C12P19/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
THE PROCESS WHICH COMPRISES SUBJECTING FINELY DIVIDED CELLULOSE TO THE ACTION OF DEXTRANSUCRASE AND SUCROSE IN AQUEOUS MEDIUM AT A PH AND TEMPERATURE AT WHICH DEXTRANSUCRASE HAS ENZYME ACTIVITY AND OBTAINING AN AQUEOUS COLOIDAL SUSPENSION OF GLUCOSYLATED CELLULOSE,
Claim 2
Dependent Claim
13 words
PAPER, A SUBSTANTIAL PROPORTION OF THE FIBER CONTENT OF WHICH IS GLUCOSYLATED CELLULOSE.
References Cited (Backward Citations)
US2392258A
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US2374236A
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US2433620A
Cited
US2724679A
Cited
US2898333A
Cited
US2960620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |