Patent US3297604A successfully refreshed from Google Patents.
US3297604A
Expired / Lapsed
US
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Oxidized galactose containing reaction products
Assignee: AMF Inc
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Filing: 1963-10-28
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Granted: 1967-01-10
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Expires: 1983-10-28
Abstract
No abstract record available.
Inventors
- 👤 Felix J Germino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:50
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0087; C08B37/0093; C08B37/0096
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
THE REACTION PRODUCT OF (A) A CARBOHYDRATE HAVING A GALACTOSE CONFIGURATION AT THE C4 POSITION AND OXIDIZED TO FORM A CARBONYL GROUP AT THE C6 POSITION AND OXIDIZED TO FORM A CARBONYL GROUP AT THE C6 POSITION AND (B) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF CARBOHYDRATES, PROTEINS, POLYHYDROXY POLYMERS, POLYAMINO POLYMERS, TOBACCO AND PAPER.
Claim 2
Independent Claim
55 words
THE METHOD OF MAKING CARBONYL REACTIVE CARBOHYDRATES CHARACTERIZED BY HAVING A GALACTOSE CONFIGURATION AT THE C4 POSITION WHICH COMPRISES DISSOLVING SAID CARBOHYDRATE IN AN AQUEOUS SOLUTION AT A PH BETWEEN ABOUT 4.5 AND 7.5, REACTING SAID SOLUTION IN THE PRESENCE OF OXYGEN WITH THE AID OF THE ENZYME GALACTOSE OXIDASE, AND SEPARATING THE REACTION PRODUCT.
References Cited (Backward Citations)
US3042668A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |