US3236792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water-dispersible form of dialdehyde polysaccharides and process therefor
Assignee: Bayer Corp
•
Filing: 1963-12-12
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Granted: 1966-02-22
•
Expires: 1983-12-12
Abstract
No abstract record available.
Inventors
- 👤 Curtis James Huey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:10
CPC Classifications
C; C08; C08B; C08B31/00; C08B31/18; C08B31/185
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A COMPOSITION DISPERSIBLE IN WATER AT ROOM TEMPERATURE COMPRISING THE FINELY-DIVIDED SOLIDIFIED REACTION PRODUCT OF FORM ABOUT 70 TO ABOUT 85 PARTS BY WEIGHT DIALDEHYDE POLYSACCHARIDES WHEREIN FROM ABOUT 0.5 TO ABOUT 100 UNITS OUT OF 100 OF THE ORIGINAL ANHYDROGLUCOSE UNITS OF THE POLYSACCHARIDES HAVE BEEN OXIDIZED TO DIALDEHYDE UNITS REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
55 words
A COMPOSITION DISPERSIBLE IN WATER AT ROOM TEMPERATURE COMPRISING THE FINELY-DIVIDED SOLIDIFIED REACTION PRODUCT OF FORM ABOUT 70 TO ABOUT 85 PARTS BY WEIGHT DIALDEHYDE POLYSACCHARIDES WHEREIN FROM ABOUT 0.5 TO ABOUT 100 UNITS OUT OF 100 OF THE ORIGINAL ANHYDROGLUCOSE UNITS OF THE POLYSACCHARIDES HAVE BEEN OXIDIZED TO DIALDEHYDE UNITS REPRESENTED BY THE FORMULA:
References Cited (Backward Citations)
US2685508A
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US2819260A
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US2730505A
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US2956963A
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US3033743A
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US3042666A
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US3021329A
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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 |