US2836506A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic compositions of watersoluble cellulose ethers
Assignee: Dow Chemical Co
•
Filing: 1953-11-25
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Granted: 1958-05-27
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Expires: 1973-11-25
Abstract
No abstract record available.
Inventors
- 👤 Lloyd H Silvernail
- 👤 Jr George K Greminger
- 👤 Miles A Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:27
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A THERMOPLASTIC COMPOSITION CONSISTING OF FROM 5 TO 80 PERCENT OF A WATER-SOLUBLE CELLULOSE ETHER SELECTED FROM THE GROUP OF ALKYL CELLULOSE, HYDROXYALKYL CELLULOSE, AND ALKYL HYDROXYALKYL CELLULOSE IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 3 CARBON ATOMS AND THE HYDROXYALKYL GROUP CONTAINS FROM 2 TO 3 CARBON ATOMS, AND CORRESPONDINGLY FROM 95 TO 20 PERCENT OF A MONOALKYL ETHER OF AN ALKYLENE GLYCOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE, DIETHYLENE AND PROPYLENE GLYCOLS IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 3 CARBON ATOMS.
Claim 2
Dependent Claim
89 words
A THERMOPLASTIC COMPOSITION CONSISTING OF FROM 5 TO 80 PERCENT OF A WATER-SOLUBLE CELLULOSE ETHER SELECTED FROM THE GROUP OF ALKYL CELLULOSE, HYDROXYALKYL CELLULOSE, AND ALKYL HYDROXYALKYL CELLULOSE IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 3 CARBON ATOMS AND THE HYDROXYALKYL GROUP CONTAINS FROM 2 TO 3 CARBON ATOMS, AND CORRESPONDINGLY FROM 95 TO 20 PERCENT OF A MONOALKYL ETHER OF AN ALKYLENE GLYCOL SELECTED FROM THE GROUP CONSISTING OF ETHYLENE, DIETHYLENE AND PROPYLENE GLYCOLS IN WHICH THE ALKYL GROUP CONTAINS FROM 1 TO 3 CARBON ATOMS.
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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) | 1961-05-26 | 1961-11-25 | 1962-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-26 | 1965-11-25 | 1966-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-26 | 1969-11-25 | 1970-05-27 | $7700.00 | Window Closed / Lapsed |