US2668800A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic composition comprising a vinyl halide polymer and a phosphorus containing compound as a plasticizer therefor
Assignee: Union Carbide Corp
•
Filing: 1951-09-22
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Granted: 1954-02-09
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Expires: 1971-09-22
Abstract
No abstract record available.
Inventors
- 👤 Johnston Franklin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:40
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A PLASTIC COMPOSITION COMPRISING A VINYL RESIN CONTAINING A VINYL HALIDE IN THE POLYMER AND, AS A PLASTICIZER THEREFOR, A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
24 words
A PLASTIC COMPOSITION COMPRISING A VINYL RESIN CONTAINING A VINYL HALIDE IN THE POLYMER AND, AS A PLASTICIZER THEREFOR, A COMPOUND HAVING THE FORMULA
References Cited (Backward Citations)
US2579810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-08 | 1957-08-10 | 1958-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-08 | 1961-08-10 | 1962-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-08 | 1965-08-10 | 1966-02-09 | $7700.00 | Window Closed / Lapsed |