US3145116A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insolubilization of starches with dialdehyde polysaccharides
Assignee: Bayer Corp
•
Filing: 1960-07-07
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Granted: 1964-08-18
•
Expires: 1980-07-07
Abstract
No abstract record available.
Inventors
- 👤 Mitchell F Zienty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:51
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/18; C08B31/003; C08L; C08L3/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A PROCESS FOR THE INSOLUBILIZATION OF STARCHES WHICH COMPRISES ADJUSTING THE HYDROGEN ION CONCENTRATION OF AN AQUEOUS SOLUTION OF STARCH TO FROM ABOUT PH 4.5 TO PH 6, AND ADDING TO SAID ADJUSTED STARCH SOLUTION FROM ABOUT 2.5% TO 10% OF A DIALDEHYDE POLYSACCHARIDE BY WEIGHT OF SAID STARCH.
Claim 2
Dependent Claim
49 words
A PROCESS FOR THE INSOLUBILIZATION OF STARCHES WHICH COMPRISES ADJUSTING THE HYDROGEN ION CONCENTRATION OF AN AQUEOUS SOLUTION OF STARCH TO FROM ABOUT PH 4.5 TO PH 6, AND ADDING TO SAID ADJUSTED STARCH SOLUTION FROM ABOUT 2.5% TO 10% OF A DIALDEHYDE POLYSACCHARIDE BY WEIGHT OF SAID STARCH.
References Cited (Backward Citations)
US2988455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-18 | 1968-02-17 | 1968-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-18 | 1972-02-17 | 1972-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-18 | 1976-02-17 | 1976-08-18 | $7700.00 | Window Closed / Lapsed |