Patent US3236832A successfully refreshed from Google Patents.
US3236832A
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Method of preparing periodate modified polygalactomannan gums
Assignee: General Mills Inc
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Filing: 1963-09-24
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Granted: 1966-02-22
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Expires: 1983-09-24
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Opie
- 👤 James L Keen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:25
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0093; C08B37/0096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A PROCESS OF PREPARING A PERIODATE MODIFIED POLYGALACTOMANNAN GUM COMPRISING DISPERSING A POLYGALACTOMANNAN GUM IN A SOLVENT MIXTURE OF FROM 85-30% WATER AND FROM 15-70% OF AN UNREACTIVE, WATER-MISCIBLE, ORGANICSOLVENT AND REACTING SAID DISPERSED GUM WITH AN OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF PERIODIC ACID AND THE ALKALI METAL SALTS THEREOF, SAID OXIDIZING AGENT BEING EMPLOYED IN AN AMOUNT OF FROM 0.1 TO 1.0 MOLE PER ANHYDROUS HEXOSE UNIT.
Claim 2
Dependent Claim
71 words
A PROCESS OF PREPARING A PERIODATE MODIFIED POLYGALACTOMANNAN GUM COMPRISING DISPERSING A POLYGALACTOMANNAN GUM IN A SOLVENT MIXTURE OF FROM 85-30% WATER AND FROM 15-70% OF AN UNREACTIVE, WATER-MISCIBLE, ORGANICSOLVENT AND REACTING SAID DISPERSED GUM WITH AN OXIDIZING AGENT SELECTED FROM THE GROUP CONSISTING OF PERIODIC ACID AND THE ALKALI METAL SALTS THEREOF, SAID OXIDIZING AGENT BEING EMPLOYED IN AN AMOUNT OF FROM 0.1 TO 1.0 MOLE PER ANHYDROUS HEXOSE UNIT.
References Cited (Backward Citations)
US2803558A
Cited
US2988455A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |