Patent US3086969A successfully refreshed from Google Patents.
US3086969A
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Process for periodate oxidation of polysaccharides
Assignee: Bayer Corp
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Filing: 1960-06-27
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Granted: 1963-04-23
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Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 James E Slager
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 08:35
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/18; C08B37/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR THE PERIODIC ACID OXIDATION OF POLYSACCHARIDES COMPRISING REACTING A POLYSACCHARIDE WITH A SOLUTION OF PERIODIC ACID HAVING A CONCENTRATION OF AT LEAST 10% BY WEIGHT OF THE TOTAL REACTANTS AND A SUFFICIENT QUANTITY OF A STRONG ACID WHICH IS NOT OXIDIZED AND NOT REDUCED BY SAID POLYSACCHARIDE TO MAINTAIN THE HYDROGEN ION CENCENTRATION OF SAID PERIODIC ACID SOLUTION AT BELOW ABOUT PH 1.0 FOR A TIME SUFFICIENT TO PRODUCE A PERIODATE OXIDIZED POLYSACCHARIDE AND THEREAFTER RECOVERING THE PERIODATE OXIDIZED POLYSACCHARIDE THEREBY OBTAINED.
Claim 2
Dependent Claim
85 words
A PROCESS FOR THE PERIODIC ACID OXIDATION OF POLYSACCHARIDES COMPRISING REACTING A POLYSACCHARIDE WITH A SOLUTION OF PERIODIC ACID HAVING A CONCENTRATION OF AT LEAST 10% BY WEIGHT OF THE TOTAL REACTANTS AND A SUFFICIENT QUANTITY OF A STRONG ACID WHICH IS NOT OXIDIZED AND NOT REDUCED BY SAID POLYSACCHARIDE TO MAINTAIN THE HYDROGEN ION CENCENTRATION OF SAID PERIODIC ACID SOLUTION AT BELOW ABOUT PH 1.0 FOR A TIME SUFFICIENT TO PRODUCE A PERIODATE OXIDIZED POLYSACCHARIDE AND THEREAFTER RECOVERING THE PERIODATE OXIDIZED POLYSACCHARIDE THEREBY OBTAINED.
References Cited (Backward Citations)
US2537978A
Cited
US2606188A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |