US2731439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reaction products of hydrogenated rubbery polymers with acrylonitriles
Assignee: Phillips Petroleum Co
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Filing: 1952-11-17
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Granted: 1956-01-17
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Expires: 1972-11-17
Abstract
No abstract record available.
Inventors
- 👤 Rufus V Jones
- 👤 Peter J Canterino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 14:02
CPC Classifications
C; C08; C08C; C08C19/00; C08C19/28; C08C19/02; C08F; C08F279/00; C08F279/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THERMOPLASTIC RUBBERY MATERIAL COMPRISING THE REACTION PRODUCT OF A PARTIALLY HYDROGENATED SYNTHETIC RUBBERY POLYMER, SAID POLYMER BEING A POLYMER OF A CONJUGATED DIENE WHICH HAS HAD ITS UNSATURATION REDUCED TO 15 TO 90 PER CENT OF THEORETICAL BY HYDROGENATION, WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, SAID REACTION PRODUCT HAVING FROM 0.1 TO 16 WEIGHT PER CENT NITROGEN BASED UPON THE TOTAL WEIGHT OF SAID REACTION PRODUCT.
Claim 2
Dependent Claim
72 words
THERMOPLASTIC RUBBERY MATERIAL COMPRISING THE REACTION PRODUCT OF A PARTIALLY HYDROGENATED SYNTHETIC RUBBERY POLYMER, SAID POLYMER BEING A POLYMER OF A CONJUGATED DIENE WHICH HAS HAD ITS UNSATURATION REDUCED TO 15 TO 90 PER CENT OF THEORETICAL BY HYDROGENATION, WITH A COMPOUND SELECTED FROM THE GROUP CONSISTING OF ACRYLONITRILE AND METHACRYLONITRILE, SAID REACTION PRODUCT HAVING FROM 0.1 TO 16 WEIGHT PER CENT NITROGEN BASED UPON THE TOTAL WEIGHT OF SAID REACTION PRODUCT.
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) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |