US2951831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Terpolymer of a conjugated diolefin, a styrene, and an allyl alcohol
Assignee: Monsanto Chemicals Ltd
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Filing: 1955-12-05
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Granted: 1960-09-06
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Expires: 1975-12-05
Abstract
No abstract record available.
Inventors
- 👤 Raymond H Reinhard
- 👤 John E Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:38
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
90 words
A TERPOLYMER COMPRISING AN ALCOHOL COMPONENT SELECTED FROM THE GROUP CONSISTING OF ALLYL ALCOHOL AND METHALLYL ALCOHOL AND MIXTURES THEREOF IN AN AMOUNT VARYING FROM ABOUT 1% TO ABOUT 50% BY WEIGHT, A SECOND COMPONENT SELECTED FROM THE GROUP CONSISTING OF STYRENE, RING-SUBSTITUTED ALKYLSTYRENES, RING-SUBSTITUTED CHLOROSTYRENES, RING-SUBSTITUTED ALKYL CHLOROSTYRENES AND MIXTURES THEREOF IN AN AMOUNT VARYING FROM ABOUT 20% TO ABOUT 90% BY WEIGHT, AND A THIRD COMPONENT SELECTED FROM THE GROUP CONSISTING OF CONJUGATED DIOLEFINS AND CHLOROPRENE IN AN AMOUNT VARYING FROM ABOUT 1% TO ABOUT 40% BY WEIGHT.
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) | 1963-09-06 | 1964-03-07 | 1964-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-06 | 1968-03-07 | 1968-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-06 | 1972-03-07 | 1972-09-06 | $7700.00 | Window Closed / Lapsed |