US2602755A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic compositions of water-soluble cellulose ethers
Assignee: Dow Chemical Co
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Filing: 1951-01-02
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Granted: 1952-07-08
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Expires: 1971-01-02
Abstract
No abstract record available.
Inventors
- 👤 Lloyd H Silvernail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:29
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A THERMOPLASTIC COMPOSITION CONSISTING ESSENTIALLY OF (1) A WATER-SOLUBLE AND NON-THERMOPLASTIC CELLULOSE ETHER SELECTED FROM THE GROUP CONSISTIG OF METHYL CELLULOSE, METHYL HYDROXYETHYL CELLULOSE, METHYL HYDROXYPROPYL CELLULOSE,
Claim 2
Dependent Claim
27 words
A THERMOPLASTIC COMPOSITION CONSISTING ESSENTIALLY OF (1) A WATER-SOLUBLE AND NON-THERMOPLASTIC CELLULOSE ETHER SELECTED FROM THE GROUP CONSISTIG OF METHYL CELLULOSE, METHYL HYDROXYETHYL CELLULOSE, METHYL HYDROXYPROPYL CELLULOSE,
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) | 1955-07-08 | 1956-01-07 | 1956-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-08 | 1960-01-07 | 1960-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-08 | 1964-01-07 | 1964-07-08 | $7700.00 | Window Closed / Lapsed |