US2914496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chlorosulfonated polyethylene composition
Assignee: EIDP Inc
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Filing: 1957-12-04
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Granted: 1959-11-24
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Expires: 1977-12-04
Abstract
No abstract record available.
Inventors
- 👤 Douglas J Kelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 09:01
CPC Classifications
C; C08; C08L; C08L23/00; C08L23/26; C08L23/32; C08L23/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A CHLOROSULFONATED POLYETHYLENE COMPOSITION CURABLE AT ROOM-TEMPERATURE, SAID CHLOROSULFONATED POLYETHYLENE HAVING FROM ABOUT 0.04 TO ABOUT 3.0% SULFUR AND FROM ABOUT 25 TO ABOUT 50% CHLORINE, SAID COMPOSITION CONTAINING A POLYAMIDE CONDENSATION PRODUCT OF A DIMERIZED DRYING OIL ACID AND AN ALIPHATIC DIAMINE, SAID POLYAMIDE CONTAINING FREE AMINO GROUPS AND HAVING AN AMINE VALUE BETWEEN 50 AND 250, AND, SAID POLYAMIDE BEING PRESENT IN SAID COMPOSITION TO THE EXTENT OF ABOUT 0.1 TO 1.0 MILLIEQUIVALENT PER GRAM OF CHLOROSULFONATED POLYETHYLENE.
Claim 2
Dependent Claim
80 words
A CHLOROSULFONATED POLYETHYLENE COMPOSITION CURABLE AT ROOM-TEMPERATURE, SAID CHLOROSULFONATED POLYETHYLENE HAVING FROM ABOUT 0.04 TO ABOUT 3.0% SULFUR AND FROM ABOUT 25 TO ABOUT 50% CHLORINE, SAID COMPOSITION CONTAINING A POLYAMIDE CONDENSATION PRODUCT OF A DIMERIZED DRYING OIL ACID AND AN ALIPHATIC DIAMINE, SAID POLYAMIDE CONTAINING FREE AMINO GROUPS AND HAVING AN AMINE VALUE BETWEEN 50 AND 250, AND, SAID POLYAMIDE BEING PRESENT IN SAID COMPOSITION TO THE EXTENT OF ABOUT 0.1 TO 1.0 MILLIEQUIVALENT PER GRAM OF CHLOROSULFONATED POLYETHYLENE.
References Cited (Backward Citations)
US2678287A
Cited
US2646422A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |