US3124474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-sensitive water soluble cellulose
Assignee: —
•
Filing: —
•
Granted: 1964-03-10
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:30
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; C08L; C08L1/00; C08L1/08; C08L1/26; C08L1/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A COMPOSITION OF MATTER COMPRISING A WATER-SOLUBLE, THERMOPLASTIC, MIXED METHYL-HYDROXYALKYL CELLULOSE ETHER SELECTED FROM THE GROUP CONSISTING OF METHYLHYDROXYPROPYL CELLULOSE ETHER HAVING A METHOXYL DEGREE OF SUBSTITUTION FROM ABOUT 1.4 UP TO ABOUT 1.8 AND A HYDROXYPROPOXYL DEGREE OF SUBSTITUTION FROM ABOUT 0.07 UP TO ABOUT 0.3 AND METHYL-HYDROXYBUTYL CELLULOSE ETHER HAVING A METHOXYL DEGREE OF SUBSTITUTION FROM ABOUT 1.6 UP TO ABOUT 1.8 AND A HYDROXYBUTOXYL DEGREE OF SUBSTITUTION FROM ABOUT 0.05 UP TO ABOUT 0.2 AND A TRIOL PLASTICIZER CHARACTERIZED ACCORDING TO THE FORMULA:
Claim 2
Dependent Claim
86 words
A COMPOSITION OF MATTER COMPRISING A WATER-SOLUBLE, THERMOPLASTIC, MIXED METHYL-HYDROXYALKYL CELLULOSE ETHER SELECTED FROM THE GROUP CONSISTING OF METHYLHYDROXYPROPYL CELLULOSE ETHER HAVING A METHOXYL DEGREE OF SUBSTITUTION FROM ABOUT 1.4 UP TO ABOUT 1.8 AND A HYDROXYPROPOXYL DEGREE OF SUBSTITUTION FROM ABOUT 0.07 UP TO ABOUT 0.3 AND METHYL-HYDROXYBUTYL CELLULOSE ETHER HAVING A METHOXYL DEGREE OF SUBSTITUTION FROM ABOUT 1.6 UP TO ABOUT 1.8 AND A HYDROXYBUTOXYL DEGREE OF SUBSTITUTION FROM ABOUT 0.05 UP TO ABOUT 0.2 AND A TRIOL PLASTICIZER CHARACTERIZED ACCORDING TO THE FORMULA:
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) | 1967-03-10 | 1967-09-09 | 1968-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-10 | 1971-09-09 | 1972-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-10 | 1975-09-09 | 1976-03-10 | $7700.00 | Window Closed / Lapsed |