Patent US3213054A successfully refreshed from Google Patents.
US3213054A
Expired / Lapsed
US
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Resinous compositions plasticized with poly
Assignee: Monsanto Co
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Filing: 1963-02-21
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Granted: 1965-10-19
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Expires: 1983-02-21
Abstract
No abstract record available.
Inventors
- 👤 Erhard J Prill
- 👤 James C Wygant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:00
CPC Classifications
C; C08; C08L; C08L27/00; C08L27/02; C08L27/04; C08L27/06; C08L67/00; C08L67/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A RESINOUS COMPOSITION COMPRISING A VINYL HALIDE POLYMER PLASTICIZED WITH FROM 2 TO 50 WEIGHT PERCENT, BASED ON THE TOTAL WEIGHT OF THE RESINOUS COMPOSITION, OF A POLY(ESTER LACTONE) OF A 2-ALKENYLSUCCINIC ANHYDRIDE AND A POLYHYDRIC ALCOHOL HAVING LESS THAN 18 CARBON ATOMS, WHEREIN SAID POLY(ESTER LACTONE) IS SELECTED FROM THE GROUP CONSISTING OF POLY(ESTER GAMMA-LACTONES) AND POLY(ESTER DELTA-LACTONES) CHARACTERIZED BY THE STRUCTURAL FORMULA
Claim 2
Dependent Claim
64 words
A RESINOUS COMPOSITION COMPRISING A VINYL HALIDE POLYMER PLASTICIZED WITH FROM 2 TO 50 WEIGHT PERCENT, BASED ON THE TOTAL WEIGHT OF THE RESINOUS COMPOSITION, OF A POLY(ESTER LACTONE) OF A 2-ALKENYLSUCCINIC ANHYDRIDE AND A POLYHYDRIC ALCOHOL HAVING LESS THAN 18 CARBON ATOMS, WHEREIN SAID POLY(ESTER LACTONE) IS SELECTED FROM THE GROUP CONSISTING OF POLY(ESTER GAMMA-LACTONES) AND POLY(ESTER DELTA-LACTONES) CHARACTERIZED BY THE STRUCTURAL FORMULA
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |