US2854434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaped articles containing a blend of a high melting condensation polymer and a polymer of bis(2 chloroethyl) vinylphosphonate
Assignee: EIDP Inc
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Filing: 1955-05-19
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Granted: 1958-09-30
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Expires: 1975-05-19
Abstract
No abstract record available.
Inventors
- 👤 Ralph G Beaman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:40
CPC Classifications
C; C08; C08L; C08L67/00; C08L75/00; C08L75/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A POLYMERIC SHAPED ARTICLE CONTAINING A BLEND OF (A) A SYNTHETIC LINEAR CONDENSATION POLYMER HAVING A MELT TEMPERATURE ABOVE ABOUT 200*C. AND SELECTED FROM THE GROUP CONSISTING OF POLYESTER, POLYURETHANE, AND POLYSULFONAMIDE, WHEREIN THE STATED POLY UNIT IS THE LINKING UNIT IN THE MAIN POLYMER CHAIN, AND (B) AN ADDITION POLYMER OF A VINYLIDENE MONOMER CONTAINING AT LEAST 50% OF THE RECURRING UNIT OF THE STRUCTURE
Claim 2
Dependent Claim
66 words
A POLYMERIC SHAPED ARTICLE CONTAINING A BLEND OF (A) A SYNTHETIC LINEAR CONDENSATION POLYMER HAVING A MELT TEMPERATURE ABOVE ABOUT 200*C. AND SELECTED FROM THE GROUP CONSISTING OF POLYESTER, POLYURETHANE, AND POLYSULFONAMIDE, WHEREIN THE STATED POLY UNIT IS THE LINKING UNIT IN THE MAIN POLYMER CHAIN, AND (B) AN ADDITION POLYMER OF A VINYLIDENE MONOMER CONTAINING AT LEAST 50% OF THE RECURRING UNIT OF THE STRUCTURE
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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |