US3014808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cellulose derivative compositions
Assignee: Mo och Domsjo AB
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Filing: 1959-02-02
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Granted: 1961-12-26
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Expires: 1979-02-02
Abstract
No abstract record available.
Inventors
- 👤 Nyberg Folke Petrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:11
CPC Classifications
C; C08; C08L; C08L1/00; C08L1/08; C08L1/26; C08L1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A CELLULOSE DERIVATIVE COMPOSITION COMPRISING 5-95% BY WEIGHT OF (1) A WATER-SOLUBLE ETHYLHYDROXYETHYLCELLULOSE AND CORRESPONDINGLY 95-5% BY WEIGHT OF (2) AT LEAST ONE WATER-SOLUBLE IONIC CELLULOSE DERIVATIVE.
Claim 2
Dependent Claim
27 words
A CELLULOSE DERIVATIVE COMPOSITION COMPRISING 5-95% BY WEIGHT OF (1) A WATER-SOLUBLE ETHYLHYDROXYETHYLCELLULOSE AND CORRESPONDINGLY 95-5% BY WEIGHT OF (2) AT LEAST ONE WATER-SOLUBLE IONIC CELLULOSE DERIVATIVE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |