US3147315A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat-stabilized chlorosulfonated polyethylene containing an epoxy compound and phenol
Assignee: EIDP Inc
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Filing: 1961-05-16
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Granted: 1964-09-01
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Expires: 1981-05-16
Abstract
No abstract record available.
Inventors
- 👤 Ennis Royce Elton
- 👤 Knabeschuh Louis Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:31
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/15; C08K5/151; C08K5/1515
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A HEAT-STABILIZED CHLOROSSULFONATED BRANCHED-CHAIN POLYETHYLENE HAVING A DENSITY BEFORE CHLOROSULFONATION OF 0.910 TO 0.925, HAVING BLENDED THEREWITH: (A) FROM ABOUT 0.5 TO ABOUT 3% BY WEIGHT OF AN EPOXY COMPOUND CONTAINING TWO EPOXY GROUPS PER MOLECULE AND HAVING A MOLECULAR WEIGHT OF 300 TO 1000, AND (B) FROM ABOUT 0.1 TO ABOUT 20% BY WEIGHT OF A PARA-SUBSTITUTED PHENOL HAVING TERTIARY ALKYL GROUPS OF NOT MORE THAN 10 CARBON ATOMS EACH ON THE CARBON ATOMS ADJACENT THE CARBON ATOM BEARING THE HYDROXYL GROUP.
Claim 2
Dependent Claim
83 words
A HEAT-STABILIZED CHLOROSSULFONATED BRANCHED-CHAIN POLYETHYLENE HAVING A DENSITY BEFORE CHLOROSULFONATION OF 0.910 TO 0.925, HAVING BLENDED THEREWITH: (A) FROM ABOUT 0.5 TO ABOUT 3% BY WEIGHT OF AN EPOXY COMPOUND CONTAINING TWO EPOXY GROUPS PER MOLECULE AND HAVING A MOLECULAR WEIGHT OF 300 TO 1000, AND (B) FROM ABOUT 0.1 TO ABOUT 20% BY WEIGHT OF A PARA-SUBSTITUTED PHENOL HAVING TERTIARY ALKYL GROUPS OF NOT MORE THAN 10 CARBON ATOMS EACH ON THE CARBON ATOMS ADJACENT THE CARBON ATOM BEARING THE HYDROXYL GROUP.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |