US2719089A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized plastic composition
Assignee: Union Carbide Corp
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Filing: 1950-01-11
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Granted: 1955-09-27
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Expires: 1970-01-11
Abstract
No abstract record available.
Inventors
- 👤 Lovell James Sinnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 11:21
CPC Classifications
C; C08; C08L; C08L1/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
A STABILIZED FLAME-RETARDANT PLASTIC COMPOSITION IN WHICH ONE OF THE GROUP CONSISTING OF CELLULOSE ETHERS AND CELLULOSE ESTERS IS PLASTICIZED WITH ABOUT ONE-NINTH TO ONE PART OF TRI-(2-CHLOROETHYL) ORTHOPHOSPHATE PER PART OF THE CELLULOSE COMPOUND AND STABILIZED AGAINST DISCOLORATION AND VISCOSITY DEGRADATION FOR INJECTION MOLDING OPERATIONS BY THE PRESENCE THEREIN OF AN OXIRANE COMPOUND HAVING THE GROUP
Claim 2
Dependent Claim
57 words
A STABILIZED FLAME-RETARDANT PLASTIC COMPOSITION IN WHICH ONE OF THE GROUP CONSISTING OF CELLULOSE ETHERS AND CELLULOSE ESTERS IS PLASTICIZED WITH ABOUT ONE-NINTH TO ONE PART OF TRI-(2-CHLOROETHYL) ORTHOPHOSPHATE PER PART OF THE CELLULOSE COMPOUND AND STABILIZED AGAINST DISCOLORATION AND VISCOSITY DEGRADATION FOR INJECTION MOLDING OPERATIONS BY THE PRESENCE THEREIN OF AN OXIRANE COMPOUND HAVING THE GROUP
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) | 1958-09-26 | 1959-03-28 | 1959-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-26 | 1963-03-28 | 1963-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-26 | 1967-03-28 | 1967-09-27 | $7700.00 | Window Closed / Lapsed |