Patent US2950270A successfully refreshed from Google Patents.
US2950270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rubbery diene terpolymers
Assignee: Monsanto Chemicals Ltd
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Filing: 1956-06-27
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Granted: 1960-08-23
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Expires: 1976-06-27
Abstract
No abstract record available.
Inventors
- 👤 Earl C Chapin
- 👤 Weston P Sanford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:03
CPC Classifications
C; C08; C08F; C08F236/00; C08F236/02; C08F236/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
AN INTERPOLYMER OF MONOMERS CONSISTING OF (A) FROM 40 TO 95 WEIGHT PERCENT OF A CONJUGATED 1,3-DIENE SELECTED FROM THE GROUP CONSISTING OF BUTADIENE, ISOPRENE, 2,3-DIMETHYL BUTADIENE AND MIXTURES THEREOF, (B) FROM 3 TO 40 WEIGHT PERCENT OF AN ACRYLIC ACID DERIVATIVE OF THE GROUP CONSISTING OF SATURATED 1-5 CARBON ATOM ALIPHATIC ALCOHOL ESTERS OF ACRYLIC ACID, SATURATED 1-5 CARBON ATOM ALIPHATIC ALCOHOL ESTERS OF METHACRYLIC ACID, ACRYLONITRILE, METHACRYLONITRILE AND MIXTURES THEREOF, AND (C) FROM 2 TO 20 WEIGHT PERCENT OF AN UNSATURATED ALCOHOL OF THE GROUP CONSISTING OF ALLYL ALCOHOL, METHALLY ALCOHOL AND MIXTURES THEREOF.
Claim 2
Dependent Claim
96 words
AN INTERPOLYMER OF MONOMERS CONSISTING OF (A) FROM 40 TO 95 WEIGHT PERCENT OF A CONJUGATED 1,3-DIENE SELECTED FROM THE GROUP CONSISTING OF BUTADIENE, ISOPRENE, 2,3-DIMETHYL BUTADIENE AND MIXTURES THEREOF, (B) FROM 3 TO 40 WEIGHT PERCENT OF AN ACRYLIC ACID DERIVATIVE OF THE GROUP CONSISTING OF SATURATED 1-5 CARBON ATOM ALIPHATIC ALCOHOL ESTERS OF ACRYLIC ACID, SATURATED 1-5 CARBON ATOM ALIPHATIC ALCOHOL ESTERS OF METHACRYLIC ACID, ACRYLONITRILE, METHACRYLONITRILE AND MIXTURES THEREOF, AND (C) FROM 2 TO 20 WEIGHT PERCENT OF AN UNSATURATED ALCOHOL OF THE GROUP CONSISTING OF ALLYL ALCOHOL, METHALLY ALCOHOL AND MIXTURES THEREOF.
References Cited (Backward Citations)
US2476341A
Cited
GB590035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |